An interactive geogebra applet that aids modeling plotting graphs using substitution. Watch the video for demonstration on how to use. A range of differentiated worksheets are also attched. The geogebra applet is attached but if you don’t have it installed then the web link is also attached so you can use the applet in any web browser.

An interactive geogebra applet that enables the user to input their own inequalities and objective functions in any linear programming problem and solve it graphically. Add an inequality/objective function using the controls and drag the points to the desired co-ordinates to create the boundary line then click up/down to shade the desired inequality. Find all points of intersections via the click of a button and drag the objective function to leave a trace and revel the optimum vertex (i.e. the ruler method referred to in many A level texts). Auto zoom and fitting for easy class use and to model a clear solution. Some pre-defined questions are included if you want to use them to model with. I have also attached a worksheet i have used with my own A-level students to practice using this technique. The geogebra applet is attached but if you don’t have it installed then the web link is also attached so you can use the applet in a web browser.

An interactive geogebra applet that allows the teacher (or students on ipads/in computer room if uploaded onto geogebra website) to create right angle triangles using a set number of standard squares. Students can record their trials and try to spot any relationships between the size of the squares that work. An accompanying worksheet and lesson plan to match. You need geogebra installed (free) or use the web applet that does not require geogebra to be installed.

Models how to find the area of a parallelogram by linking it to the area of a rectangle. Fully dynamic and interactive examples.

Dynamically change the problems in this PowerPoint using the up/down buttons. Click on the +/- symbol to add or subtract the equations and click on the green area to see the equations combine. Reveal the solutions by clicking the covers.

A differentiated interactive geogebra applet that aids the modelling (with solutions) of route planning with algebraic vectors including interleaved with ratio problems as seen is Edexcel 1MA1. Please see the video for how the use this teaching aid. I have also included four differentiated worksheets with solutions. These are also previewed in the video. The geogebra applet is attached but if you don’t have it installed then the web link is also attached so you can use the applet in any web browser.

A differentiated interactive geogebra applet that aids the modelling (with solutions) of… Mental percentage calculation Calculator percentage calculation Percentage increase using multipliers Percentage decrease using multipliers Successive percentage change using multipliers Reverse percentages using multipliers Compound percentages (forwards and reverse) Please see the attached video for how to use. I have also included seven differentiated worksheets with solutions. These are also previewed in the video. The geogebra applet is attached but if you don’t have it installed then the web link is also attached so you can use the applet in any web browser.

Scroll through the examples and press 'start' to start the event scrolling up and down the probability scale. Invite students to the board to click the screen to stop the even in the correct position. Revel the fraction using the buttons and split the probability scale into fractions using the 'fraction' button to see if the even it accurately placed. Includes student activity worksheet.

An interactive PowerPoint that models how the rate of change changes over time in the context of filling containers with water. Select the container set and fill them up using the control buttons to show their corresponding graphs.

An interactive PowerPoint that simulates various simultaneous events by systematically listing.

An interactive PowerPoint that models how to calculate the area of a trapezium by dynamically converting it into a parallelogram.

An interactive and dynamic PowerPoint that models how to add and subtract fractions using pictures. Use the 'fraction' buttons to show the visual representation of each fraction and click on each sector to shade it in. Click on 'add/subtract' once to reveal the common denominator shape and again to visually see the fractions adding together.

An interactive PowerPoint that models the three views of a 3D object. Use the navigation buttons to scroll through the examples and use the plan, side and front buttons to show the object rotate into the correct position. Before revealing, invite students to the board and ask them what the views might look like by clicking on the square grid. I have attached some questions also.

An interactive PowerPoint and worksheets that model how to complete/create patterns with rotation symmetry using tracing paper. Using the navigation buttons...1)Select the example, 2)Show the tracing paper, 3)Trace the design, 4)Rotate the tracing paper to find the missing parts of the design.

I've always struggles to show students how subtraction works as a balance as it can't be visulaised, until now!Keep the balance of the scales by adding or subtracting content from both sides. Do this by clicking on the 1's or x's at the top to add on and on each side of the balance to remove them. Pop the balloons by adding weights to both sides (sound effects included!)

Starts by finding LCMs and HCFs by listing and extends to using prime factors and Venn diagrams to calculate LCMs and HCFs. Scroll through the PowerPoint using the navigation buttons. Reveal the covered factor trees by clicking on the covers and click the end branches of each tree to select the prime factors. Once all end (prime) numbers have been found use the show/hide button to reveal the Venn diagram. Click on the prime factors again to place them into the Venn diagram. Click on the LCM or HCF to reveal the answers.

An interactive PowerPoint that uses partitioning (as with numerical multiplication) to expand the product of two linear brackets. Also includes some simple factorising where you can drag-and-drop the correct factors (must enable macros). Click on show/hide to reveal the grid, click on the factors in the brackets in input these into the grid and unhide the expansion by clicking on the covers.

An interactive PowerPoint that uses prime factor trees and Venn diagrams to model how to calculate the LCM and HCF. Uncover the end branches by clicking on the covers, click on the end branches to select the prime factors, show the Venn diagram and click on the selected factors to place them in the Venn diagram.

Scroll through the first few slides to introduce a cuboid (hover over the pictures to reveal the properties and click on the boy pushing over the rectangle to revel transform a rectangle into a cuboid). Break down the layers of the cuboid examples by clicking on the x, y, z buttons to see the layers separate and questions students on the associated multiplications and the commutative properties of multiplication. When the cubes can't be seen, hover over the faces of the cuboid examples to reveal the cubes and click the covers to reveal the answers.

A fully interactive presentation that models how to identify and check for rotation symmetry using tracing paper. Use the navigation buttons to....1)Navigate throught the examples, 2)Select tracing paper 3)Trace 4) Rotate.