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Find the mistake (negative multiplication)
KS3 Maths activity powerpoint. Suitable for starter, plenary or quick assessment. Using the four operations - Multiplying negative numbers. 10 questions where some are done incorrectly, students have to try to spot the wrong ones, answers at the end with a link so you can go back to the questions to talk about what has gone wrong.
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Find the mistake (angles in triangles)
KS3 Maths Activity Powerpoint. Assessment for the understanding of the angles of a triangle. Suitable for a starter or plenary. 10 triangles with angles displayed, students need to work out which ones are impossible.
![bcooper87](https://d2w4qhtqw2dbsq.cloudfront.net/profile_live/967537/small.jpg)
Find the mistake: mixed numbers/improper fractions
KS2 and KS3 Maths Powerpoint. Numbers activity - writing improper (top heavy) fractions as mixed numbers. Suitable as a starter and plenary. 10 questions where some are done incorrectly, students have to try to spot the wrong ones, answers at the end with a link so you can go back to the questions to talk about what has gone wrong.
![bcooper87](https://d2w4qhtqw2dbsq.cloudfront.net/profile_live/967537/small.jpg)
Find the mistake (factors)
10 questions where some are incorrect, students have to try to spot the wrong ones, answers at the end with a link so you can go back to the questions to talk about what has gone wrong. All are statements about factors.
![bcooper87](https://d2w4qhtqw2dbsq.cloudfront.net/profile_live/967537/small.jpg)
Find the mistake (decimal multiplication)
KS3 Maths Powerpoint Activity. suitable for starter or plenary Multiplying decimals and understanding place value. 10 questions where some are done incorrectly, students have to try to spot the wrong ones, answers at the end with a link so you can go back to the questions to talk about what has gone wrong.
![bcooper87](https://d2w4qhtqw2dbsq.cloudfront.net/profile_live/967537/small.jpg)
What is the story of the big equation
A little starter I made for my group to remind them how to read equations. There is a little reminded about what I mean by the 'story' of the equation then a big scary looking equation, the students then have to write its story.
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Ks4 Maths activity: Straight Line Problem
Equation of a straight line. A little activity to practise plotting straight lines and writing equation. Students have to plot 5 straight lines which will make a simple house shape, then try to write some equations of their own which will make a house.
![bcooper87](https://d2w4qhtqw2dbsq.cloudfront.net/profile_live/967537/small.jpg)
Quick BODMAS/BIDMAS Starter
KS3 Maths Order of Operations starter. 8 questions where 4 of them will give the same answer, those 4 will go green when you click. Nice little settler to stick at the front of a powerpoint.
![bcooper87](https://d2w4qhtqw2dbsq.cloudfront.net/profile_live/967537/small.jpg)
KS4 Maths applying pythagoras and circle theorems
Tricky Trapezium Circle Question. Geometry A question about find the area of a circle which has a trapezium draw inside it, with some hints in case students get stuck. Brings in pythagoras, cosine rule, trig, & circle theorems.
![bcooper87](https://d2w4qhtqw2dbsq.cloudfront.net/profile_live/967537/small.jpg)
Perimeter and Area of Triangles Questions
Some questions on perimeter and area of triangles which some little starter questions asking students to list as many isoscelles triangle with a certain perimeter and list as many triangles with a certain area.
![bcooper87](https://d2w4qhtqw2dbsq.cloudfront.net/profile_live/967537/small.jpg)
Goldbach Starter
A simple slide introducing Goldbach conjecture and asking students to try to express numbers 5-50 as product of 3 primes, can be used as starter or plenary.
![bcooper87](https://d2w4qhtqw2dbsq.cloudfront.net/profile_live/967537/small.jpg)
KS3 Maths Starter Percentage slip ups
Lesson Powerpoint. Some common misconceptions about percentages for students to discuss and try to correct.
![bcooper87](https://d2w4qhtqw2dbsq.cloudfront.net/profile_live/967537/small.jpg)
KS3 Maths Multiplying and Dividing by Decimals
Maths Starter. Powerpoint slide. A starter asking students to try and write down as many sets of three numbers which multiply to make 4.8 as they can in 2 minutes. Then followed by some questions on multiplying and dividing decimals.
![bcooper87](https://d2w4qhtqw2dbsq.cloudfront.net/profile_live/967537/small.jpg)
Time flies (Circumference questions)
Some questions (with answers) about the distance a fly sat at the end of the minute hand of a clock would travel in different lengths of time. Second half asks for general expressions for d days, h hours, m minutes and w weeks.
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Multiplying and Dividing Fractions (worded) sheet
Worded Fraction Problems
Objective: to be able to multiply and divide fractions to answer worded question, without a calculator. Homework or classwork worksheet.
A worksheet with starter, main and extention, cover top heavy and mixed numbers in the starter. Hope you find it useful.
![bcooper87](https://d2w4qhtqw2dbsq.cloudfront.net/profile_live/967537/small.jpg)
Prime challenge
Students have 5 minutes to find 5 primes, they will get more points for larger primes, then there is a list of primes up to 1000 so they can check answers
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X factor line up puzzle
Students have to decide how many ways the judges can decide to line up their remaining acts for the next live show, has answer and little explanation.
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Angle Challenge
Students have to find the size of every angle on the sheet, they get a point for each one they find, but loose a point everytime they use a protractor , setting up a nice competition and forcing them to use angle facts they have learnt.