Give making a Yule log a STEM twist by using key maths skills to work on the weighing and timing for this delicious Christmas dessert. This is a great activity that brings together baking skills, mathematics and creativity, and tastes delicious! The Yule Log is a traditional cake eaten at Christmas. It is thought that this cake originated in France to represent the wooden log that was burned to bring good luck through the winter months. It was hoped that by burning the log and keeping the ashes until the following year, it would ward off evil spirits during the long winter months. Download the recipe and teaching notes for free. Oh ho ho, and please do share your experiment highlights with us @IETeducation #SantaLovesSTEM

Learn how to create colourful, edible stained glass and discover the science of light in this fun experiment for kids. What ingredients will you need? • 790g white, granulated sugar • 475ml water • 240ml light corn syrup • ¼ teaspoon cream of tartar • Food colouring (red or green) Download the free Edible stained glass activity sheet to learn the science behind this experiment! All activity sheets and supporting resources are free to download, and all the documents are fully editable, so you can tailor them to your students’ and your schools’ needs. The activity sheet includes teacher notes, guidance, useful web links, and links (where appropriate) to the national curriculum in each of the four devolved UK nations; England, Northern Ireland, Scotland and Wales. Don’t forget to take photos of your edible stained glass and share them with us @IETeducation

Design and make a recipe book of kids party food for a celebration Make a recipe book with your class or child! DIY book binding is easy for kids and you can get creative to create a cookbook in 50-80 minutes. This is one of a series of resources designed to allow learners to use the theme of celebration to develop their knowledge and skills in Design & Technology. This resource focuses on the designing and making of a recipe book for food items that could be served at a street party celebrating a special occasion. In this activity, learners will design and make a recipe book of food items that could be served at a party. They will research ideas for recipes or create their own and present them in a book format. They will then bind their book together, ready to cook for the party! **Download our free activity sheet to guide you through. ** All activity sheets and supporting resources are free to download, and all the documents are fully editable, so you can tailor them to your students’ and your schools’ needs. The activity sheet includes teachers’ notes, useful web links, and links (where appropriate) to the national curriculum in each of the four devolved nations; England, Northern Ireland, Scotland and Wales. You can download our step-by-step instructions below as either a classroom lesson plan or PowerPoint presentation. Please do share your highlights with us @IETeducation.

Get children thinking about combinations and KS2 times tables with this visual and hands-on activity for primary aged children. With a row of 24 cupcakes, what happens when every second cake has white icing and every third cake has a red smartie? Our lesson plan is mapped to the UK curricula and has all the notes to hand to guide you through the 45 minute resource as a classroom activity or at home. This activity in partnership with MEI could be used in Key Stage 2 as a stand-alone activity, as a focused task to develop problem solving skills, or as a consolidation task related to 3x,4x,8x multiplication facts. Pupils develop both their problem-solving and reasoning skills. They will also practice their mental recall of the 3x, 4x and 8x multiplication tables without the standard ‘fill out the multiplication table’. All activity sheets and supporting resources are free to download, and all the documents are fully editable, so you can tailor them to your students’ and your schools’ needs. The activity sheet includes teachers’ notes, useful web links, and links (where appropriate) to the national curriculum in each of the four devolved nations; England, Northern Ireland, Scotland and Wales. You can download our step-by-step instructions below as either a classroom lesson plan or PowerPoint presentation. Please do share your highlights with us @IETeducation.

Making a ghee lamp to celebrate Diwali A diya is an oil lamp that represents the triumph of light over dark, and good over evil. Diyas are traditionally made from clay or mud, with a cotton wick dipped in ghee to celebrate Diwali, the festival of lights. This resource focusses on making, decorating and safely using a diya. This could be used as a one-off main lesson activity to develop making skills with air drying clay. Alternatively, it could be used as a part of a wider scheme of work to develop designing and making skills in Design and Technology, and Art, or to build links with Religious Education. All activity sheets and supporting resources are free to download, and all the documents are fully editable, so you can tailor them to your students’ and your schools’ needs. The activity sheet includes teachers’ notes, useful web links, and links (where appropriate) to the national curriculum in each of the four devolved nations; England, Northern Ireland, Scotland and Wales. You can download our step-by-step instructions as either a classroom lesson plan or PowerPoint presentation And don’t forget to share your learning highlights and final creations with us on social media @IETEducation

Make a measuring wheel that measures distances This activity for primary school kids involves making a measuring wheel for accurately measuring in metres and centimetres. This activity combines maths and history and is inspired by the achievements of ancient Greece. It is thought that the inventor of the odometer may have been Archimedes, between 2200 and 2300 years ago. Resources are provided to support teachers in furthering their students’ maths abilities. And please do share your classroom learning highlights with us @IETeducation

Measure the time taken to complete a task and plot results in a graph In this activity, students will take part in their own Olympics, an event invented by the Greeks, whilst applying history, maths, and PE. Students will record distances using a tape measure or an odometer to record the time taken to run different lengths. This activity will enable students to measure using different tools, record results and plot graphs. Resources for teachers are provided. And please do share your classroom learning highlights with us @IETeducation

Create a water mill to produce electricity and power an LED In this exciting activity for primary students, kids will understand what is meant by, and the need for, renewable energy. They will make and test a water mill that produces enough electricity to light an LED and learn how water wheels work. This engineering activity will show students how electricity can be generated using the power of moving water and teach students facts about how the ancient Greeks have affected modern life. Resources for teachers are provided. And please do share your classroom learning highlights with us @IETeducation

Get ready for a street party celebration and introduce basic maths with this fun activity In this engaging STEM activity, learners will design and make a place setting for a party or celebration. They will identify the items required, measure the space needed for themselves and the items, and use this information to design and make the place setting. This challenge is perfect for 5–7-year-olds and could be used as a main lesson activity to teach about designing within a theme or practical applications of measurement. It could also be used as a part of a wider scheme of learning focusing on practical skills within graphics or graphic design. Activity: Design a place setting for a party This is one of a series of free resources designed to allow learners to use the theme of a celebration to develop their knowledge and skills in Design and Technology and Mathematics. This resource focuses on the designing and making of a place setting for a party to celebrate the event, so you can adapt to any celebration. Students will use basic maths skills for KS1 to practice with a ruler as they work out how much space is needed to sit and dine together for a party banquet. This exercise will take approximately 80 – 120 minutes and can be carried out in school or at home. Tools/resources required Paper and card Colouring pencils or pens Scissors Pencils and rulers Glue sticks Access to plates, cups and cutlery for measurement Disposable cutlery, if available Paper tablecloth (for extension activity) Suggested learning outcomes By the end of this STEM project students will be able to design from a brief, they will be able to measure dimensions and use these when designing and they will be able to create an attractive and fun place setting for a special party. The engineering context All designers and engineers need to be able to produce ideas related to certain themes and follow a design brief. This ensures that the products they design will meet the needs of the end users, customers or clients. Download the free Design a place setting for a party activity sheet! All activity sheets and supporting resources are free to download, and all the documents are fully editable, so you can tailor them to your students’ and your schools’ needs. The activity sheet includes teacher notes, guidance, useful web links, and links (where appropriate) to the national curriculum in each of the four devolved UK nations; England, Northern Ireland, Scotland and Wales. Please share your classroom learning highlights with us @IETeducation

Making flag bunting as a class to use during celebrations and parties This is one of a series of free and printable resources designed to allow learners to use the theme of ‘celebration’ to develop their knowledge and skills in Design and Technology. This resource focuses on the designing and making of bunting to be put out at a party to celebrate an event. Follow this easy and free bunting activity as you make potato prints with 4-11 year olds! Create flags with your class or at home and celebrate events in style. This activity could be used as a main lesson activity to teach about designing within a theme, printing with templates and/or teamworking skills. It could also be used as part of a wider scheme of learning, focusing on practical skills within graphics and graphic design. Download the activity sheet for a step-by-step guide on how to make bunting for a party! As an extension learners could try using different shapes other than a triangle. This is a fun and simple activity that will take approximately 60 – 90 minutes. Tools/resources required Potatoes Knives Paint Paper Colouring pencils or pens Scissors Pencils and rulers String Stapler Suggested learning outcomes By the end of this activity students will be able to design a flag for bunting for a celebration. They will also be able to use potato printing techniques and they will be able to work as a team to assemble bunting from flags made by the whole class. The engineering context All designers and engineers need to be able to produce ideas related to certain themes and follow a design brief. This ensures that the products they design will meet the needs of the end users, customers or clients. Download the free Make bunting for a party activity sheet! All activity sheets and supporting resources are free to download, and all the documents are fully editable, so you can tailor them to your students’ and your schools’ needs. The activity sheet includes teacher notes, guidance, useful web links, and links (where appropriate) to the national curriculum in each of the four devolved UK nations; England, Northern Ireland, Scotland and Wales. Please share your classroom learning highlights with us @IETeducation

Learn how to count forwards and backwards by releasing balloon ‘rockets’ During this exercise, participants will practice counting backwards using different steps i.e., 1s, 2s, 3s, 5s, and 10s. This will equip them with the necessary skills to count to and from 100, both forwards and backwards, starting from zero or any given number. To increase engagement, students will release balloon ‘rockets’ at the conclusion of each countdown. This activity can be used as a main lesson activity, to teach learners how to count backwards using the prompts in the teacher presentation. This is an engaging and practical exercise that can be carried out as a whole class or in small groups. When using the presentation, you are prompted with which step to use for the countdown and with a starting number. As you click through the steps each number, in sequence, will be revealed and at zero the balloon will be launched. If some younger learners struggle with blowing up balloons, some could be inflated prior to the lesson and ‘tied-off’ using clips. As the balloons are released when the count reaches zero, the balloons should not be tied. If re-inflation is not possible within the time, a proportion of the balloons could be released each time – e.g., a certain colour or all the balloons from one table group. As an optional extension activity, the count downs could be started from 100 or another integer of the teacher’s choice. How long will this activity take? It is a quick and simple activity that will take approximately 25-35 minutes to complete. Tools/resources required Whiteboards Whiteboard markers and erasers Pack of balloons Balloon pump The engineering context An understanding of number combinations and number operations is vital for engineers who need to solve lots of interesting problems. For example, electronic engineers use countdown timers to let motorists know when a traffic light will go from red to green and allow the motorist to drive off safely. Suggested learning outcomes By the end of this activity students will be able to count backwards from numbers up to 50 and they will be able to count backwards in steps of 1s, 2s, 3s, 5s, and 10s. All activity sheets and supporting resources are free to download, and all the documents are fully editable, so you can tailor them to your students’ and your schools’ needs. The activity sheet includes teacher notes, guidance, useful web links, and links (where appropriate) to the national curriculum in each of the four devolved UK nations; England, Northern Ireland, Scotland and Wales. Please share your classroom learning highlights with us @IETeducation

Use a number balance see-saw This engaging activity is designed for KS1 to enhance students’ addition and subtraction skills through a practical and engaging approach! Learners will use a model of a see-saw to balance a range of numbers. They will then decide how many items need to be added or subtracted to bring the see-saw into balance. By actively participating in this hands-on exercise, learners will gain a deeper understanding of addition and subtraction as they work to achieve equilibrium on the see-saw by carefully selecting and arranging various numbers. This activity could be used as a main lesson to teach learners how to make a model see-saw and solve number problems using the prompts in the presentation and carried out in pairs or small groups. To get started, download the activity sheet containing a comprehensive, step-by-step guide on building the see-saw. Additionally, we have included printable box templates for your convenience. Students can easily position these box templates onto the see-saw and then experiment by placing coins or marbles into the boxes, effectively achieving balance on the see-saw. The engineering context Engineers rely on problem-solving daily to find solutions to a wide array of issues. For instance, when an aerospace systems engineer is tasked with determining the amount of cargo that can be loaded onto a rocket bound for a space station, they will skilfully adjust the contents, either adding or removing items, to ensure that the cargo meets the precise weight requirement. Suggested learning outcomes By the end of this activity, students will be able to solve one-step problems that involve addition and subtraction, and they will be able to make a see-saw model and solve practical balance number problems. Download for free! All activity sheets and supporting resources are free to download, and all the documents are fully editable so that you can tailor them to your students and your schools’ needs. The activity sheet includes teacher notes, guidance, helpful web links, and links (where appropriate) to the national curriculum in the four devolved UK nations; England, Northern Ireland, Scotland and Wales. Please share your classroom learning highlights with us @IETeducation

Measuring the circumference of tree trunks and working out their age. They will then repeat this process with other trees and share their findings as a group. This exercise could serve as a main lesson activity to teach learners how to gather data through measurement and apply their numerical skills in a practical context. It could also be incorporated into a larger curriculum that emphasises the use of maths and science to comprehend the natural world. This is one of a set of free STEM resources developed to support the teaching of the primary national curriculum. They are designed to support the delivery of key topics within maths and science. This resource focuses on measuring the circumference of a tree trunk and using this information to calculate its age. Trees can be identified and measured in and around the school grounds as available. Appropriate safeguarding checks and risk assessments will need to be put in place by the teacher depending on where the measuring of the trees takes place. Taking the measurements may need two learners working as a pair or a group of three, one holding the end of the tape in place, the other wrapping around and taking the reading, optionally with a third recording the measurement. The measuring tape must be kept straight and level to give an accurate reading. This is a fun and practical exercise that will challenge learners’ maths and science skills and encourage them to think about the ways in which environmental engineers interact with the natural world. This activity will take approximately 40-60 minutes to complete. Tools/resources required Access to an outside area with trees Measuring tape Clipboards Calculators The engineering context As part of their daily job, engineers are obligated to frequently apply their mathematical knowledge and skills. Hence, it is imperative that they possess a thorough understanding of fundamental concepts, including measurement taking and interpretation. Environmental engineers are responsible for enhancing the quality of the surrounding natural environment. Their job performance improves as they expand their comprehension of it. Suggested learning outcomes By the end of this activity students will be able to measure the circumference of a tree, they will be able to calculate the age of a tree using its circumference and they will be able to communicate measurements using appropriate SI units. All activity sheets and supporting resources are free to download, and all the documents are fully editable, so you can tailor them to your students’ and your schools’ needs. The activity sheet includes teacher notes, guidance, useful web links, and links (where appropriate) to the national curriculum in each of the four devolved UK nations; England, Northern Ireland, Scotland and Wales. Please share your classroom learning highlights with us @IETeducation

In this simple STEM activity for kids learners will investigate how a balloon can be used as a simple speaker. They will blow up the balloon, tap it and listen to how to sounds travel through it. They will then discuss the outcome of their experiment and explain why the balloon speaker works in the way that it does. This activity could be used as a starter activity to introduce the concept of sound and how it travels, or as one of several activities within a wider scheme of learning focusing on sound. Activity: Balloon speakers This is one of a set of free resources developed to support the teaching of the primary national curriculum. They are designed to support the delivery of key topics within maths and science. This resource focuses on using a balloon as a simple speaker to amplify sound. What happens when you tap the balloon? What can you hear and feel? Why do you think this is happening? This is a quick and easy STEM activity that will take approximately 15 – 20 minutes. The engineering context Engineers must understand how speakers work in order to successfully design products that use them, such as phones, music players and TVs. Sound engineers must understand how sound can be amplified and transmitted from one place to another. For example, at a concert. Understanding how speakers work is a very important part of this. Suggested learning outcomes By the end of this exercise students will know that vibrations from sounds travel through a medium in the ear. They will also be able to use a balloon as a simple speaker and explain how it works. Lastly, they will understand how pushing air closely together affects the volume of sound travelling through it. Download the Balloon speakers activity sheets for free! All activity sheets and supporting resources are free to download, and all the documents are fully editable, so you can tailor them to your students’ and your schools’ needs. The activity sheet includes teacher notes, guidance, useful web links, and links (where appropriate) to the national curriculum in each of the four devolved UK nations; England, Northern Ireland, Scotland and Wales. Please share your classroom learning highlights with us @IETeducation

Secondary classroom poster where Professor Eleanor Stride explains her innovative research using bubble engineering. Download the single poster or order a full set for free from the IET Education website.

A maths-based challenge to find stations on the rail network based on their journey times Can you use a rail network map to find stations based on journey times? Use your math skills to complete our station hunt activity sheet in this fun STEM challenge for kids! This is one of a series of free resources developed in conjunction with Network Rail to develop understanding and skills in key maths, science, and engineering concepts. Activity: In this fun maths challenge, learners will use a known starting position (station) and a journey time to identify a destination. It will involve adding different combinations of journey times to identify the answer. This activity could be carried out as individuals or in pairs and could be used as a one-off main lesson activity to develop basic maths skills in context. Learners will complete the questions on the activity sheet using the station hunt map as a guide. They should find the starting point station and move along the rail lines, adding up the time as they go along, until they reach their destination station. The transport speeds are estimates based on typical values, found using the most common search engine. Any statistics or data on transport speeds used in this activity are solely for the purpose of this activity and may not be an accurate reflection of actual current times, which may vary due to seasonal, environmental or legal limitations, for example. Additional complexity could be added by adding a set time (for example, 15 minutes) when train changes are needed. As an extension activity, students could work out their own journey time questions and try them on their friends. How long will this activity take? This activity will take approximately 30-50 minutes to complete. Tools/resources required Pencils Calculators The engineering context Calculating times is a vital skill that engineers use – it helps them make decisions about the best way to complete a task. For example, it helps aerospace engineers plan how much fuel to carry on a plane to allow it to fly for a long time. Suggested learning outcomes By the end of this activity students will be able to solve a contextual problem using a time calculation and they will understand how to calculate different journey times between rail stations. Download the free Network Rail maths challenge activity sheet! All activity sheets, worksheets and supporting resources are free to download, and all the documents are fully editable, so you can tailor them to your students’ and your schools’ needs. The activity sheet includes teacher notes, guidance, useful web links, and links (where appropriate) to the national curriculum in each of the four devolved UK nations; England, Northern Ireland, Scotland and Wales. Please share your classroom learning highlights with us @IETeducation

In this activity learners will sketch and annotated design for a sustainable pair of sunglasses aimed at the young professional adults of the future. This activity could be used as a main lesson activity to teach learners about generating design ideas or sketching, or part of a wider scheme of learning covering design processes and techniques. It could also be used as part of an introduction to sustainability issues, such as the negative impact of plastic waste on the environment. Resources required: A4 or A3 paper, if not using handout Pencils, pens, coloured pencils and sketching tools Optional, if available: 3D CAD software for extension activity Download the activity sheets for free! And please do share your classroom learning highlights with us @IETeducation

Making calculations and applying formulas to a spreadsheet of data In this maths activity students will be asked to estimate the number of visitors within an aquarium. They’ll do this by using a spreadsheet mathematical formula that calculates the difference between the number of people entering and the number of people leaving the building. This is one of a set of resources developed to aid the teaching of the secondary national curriculum, particularly KS3, supporting the teaching in maths. Activity: Making calculations and applying formulas to a spreadsheet of data Students will view a dataset that has monitored the number of visitors entering and leaving a large aquarium. Learners will be asked questions based on this data, including how many visitors were in the building at a specific time. They will also be given a spreadsheet formula for calculating the difference between the number of people entering and exiting the building and be asked to adapt that formula for the different times of the day. Download our activity overview and presentation for a detailed lesson plan for teaching students about data logging. The engineering context Learning how to use maths formulas within spreadsheets saves a significant amount of time and brainpower, allowing engineers to quickly extract information from raw data. Devices that allow public buildings to monitor the number of visitors that are within a building at any one time are an example of data logging in practice. This may be essential for fire safety regulations or to prevent various areas from getting overcrowded. Suggested learning outcomes This data logging activity will give students the opportunity to identify and then attempt to explain numerical patterns and sequences. It also allows students to practice using formulas within spreadsheets such as Excel or Google Sheets. Download our activity sheet and related teaching resources for free! The activity sheet includes teachers’ notes, useful web links, and links (where appropriate) to the national curriculum in each of the four devolved nations; England, Northern Ireland, Scotland and Wales. All activity sheets and supporting resources are free to download, and all the documents are fully editable, so you can tailor them to your students’ and your schools’ needs. Download our classroom lesson plan and presentation below. Please do share your highlights with us @IETeducation.

Using the circumference formula and estimation to design an efficient revolving door This lesson tasks students with designing a functional and efficient revolving door. It tests practical maths skills such as estimation and calculating the circumference of a circle, while also challenging students with a fun design activity. It’s one of a set of resources developed to aid the teaching of the secondary national curriculum, particularly KS3, supporting the teaching in maths. Activity: Using the circumference formula and estimation to design an efficient revolving door In this activity students will examine the design of revolving doors for maximum efficiency both in terms of reducing space and minimising heat loss. They’ll firstly be tasked with calculating the idea entrance/exit arc length based on the door’s diameter. They’ll then be asked to estimate how many people can fit into each door section and how this will impact getting 200 people in and out of the building as the arrive and leave for work. The GeoGebra file Revolving doors allows teachers to demonstrate the problem and check the solution to the first task. Download our activity overview and Revolving door presentation for a detailed lesson plan on the maths behind designing a revolving door. The engineering context Revolving doors are energy efficient as they prevent drafts (via acting as an airlock), thus preventing increases in the heating or cooling required for the building. At the same time, revolving doors allow large numbers of people to pass in and out. As such, architects and engineers need to apply mathematics to their designs, which can help to determine how they will work in practice and whether or not they’re fit for purpose. Suggested learning outcomes Students will learn how mathematical concepts like circumference and arc length are applied to solving real-world design problems. Download our activity sheet and other teaching resources The activity sheet includes teachers’ notes, useful web links, and links (where appropriate) to the national curriculum in each of the four devolved nations; England, Northern Ireland, Scotland and Wales. All activity sheets and supporting resources are free to download, and all the documents are fully editable, so you can tailor them to your students’ and your schools’ needs. Download our classroom lesson plan and presentation for free! Please do share your highlights with us @IETeducation.

Assessing the probability of a particular situation occurring in a power station In this lesson students will use event tree analysis to roleplay an exercise where they quantify the risk of safety systems failing in a power station. This is one of a set of resources developed to aid the class teaching of the secondary national curriculum, particularly KS3. It has been designed to support the delivery of key topics within mathematics. In this activity, students will roleplay the following scenario: ‘A power station experiences a loss of coolant to its reactor about once per year. To prevent a dangerous explosion, a set of controls are in place. Firstly, an alarm which alerts the operator, this works on 99% of occasions. If this does fail various other systems will become operational to monitor the issue and prevent disaster.’ Using the examples in our Power station event analysis handout and Event analysis presentation, students will learn how event tree analysis can be used to model the probability of the risk of safety systems failing. Students can also use our Event analysis simulator tree spreadsheet to run simulations to check their workings. Download our activity overview for a detailed lesson plan (including answers) for teaching students about event tree analysis. The engineering context Event trees allow engineers to visualise the chain of events that could lead to system failures. Analysing the probabilities of these events helps them understand the likelihood of various outcomes as part of their efforts to design measures that can help to mitigate risks. Suggested learning outcomes In this lesson, students will learn about frequency trees, probability, and relative frequency. Download our activity sheet and other teaching resources The activity sheet includes teachers’ notes, useful web links, and links (where appropriate) to the national curriculum in each of the four devolved nations; England, Northern Ireland, Scotland and Wales. All activity sheets and supporting resources are free to download (including the video), and all the documents are fully editable, so you can tailor them to your class’s and your schools’ needs. You can download our classroom lesson plan for free! Please do share your highlights with us @IETeducation.