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Ram had 15 coins, all the same kind, and he put them into 4 bags.
He labelled each bag with the number of coins inside it.
He could then pay any sum of money from 1 coin to 15 coins using one or more of the bags without opening any of the bags.
How […]
This activity is about journeys to school, your own journeys and journeys to school by other children. Watch this video https://www.youtube.com/watch?v=rYA8SbqRwt8
The picture shows a 5 hour journey into the mountains on a narrow path to probably the most remote school in the world in Gulu, China.
The […]
Why does this fold create an angle of sixty degrees?
Make a centre crease down the length of the paper then open it up.
Next fold one corner over and onto the centre crease so that the fold line passes through the corner next to it (on the short side of the paper).
You […]
How many symmetric patterns can you make by shading whole squares in a 3 by 3 grid?
Where are the mirror lines (lines of symmetry)?
Which of your patterns also have rotational symmetry?
There are hundreds of patterns and here is just one. It has just one line of […]
Take any triangle and label it ABC with A as the largest angle. Fold the triangle along PQ, PS and QT where the points P and Q are the midpoints of AB and AC and PS and PT are perpendicular to BC.
What do you notice? Why does this happen? Will it […]
Match the functions with their derivatives and values of the functions and derivatives.
What does this information tell you about the graphs of the 5 functions
For cards to cut out and sort to do this activity click here.
Click here to download the DERIVATIVE MATCHING worksheet.
For the […]
Use 11 sticks of equal length to make this triangle with edge lengths 2, 4 and 5. You might like to record this as (2, 4, 5). How many other triangles can you make with 11 sticks?
You could use paper sticks, toothpicks, or a piece of string with […]
Look at the picture where 7 copies of the bull’s head fit together without any spaces between them. Imagine this pattern extending to infinity. This is called a tessellation or wallpaper pattern. There are only 17 ways that shapes can be repeated to fill the plane.
Graph 1 is the graph y=sinx. Can you identify the coordinates of the points where it crosses the axes and where it reaches its maximum and its minimum values?
How could I make graph 2 from graph 1? Can you work out the equation of graph 2?
Graph 3 has equation y=sin2x. […]
The picture shows some shadows cast by solid (3 dimensional) objects as well as some flat (2 dimensional) shapes.
Describe 3D objects that could have made these shadows. There is more than one answer for each shadow.
Can you draw different shadows that could be made by the same objects?
What sort of shadows […]
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