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problem
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Negative Powers
14 to 18
What does this number mean? Which order of 1, 2, 3 and 4 makes the highest value? Which makes the lowest?
problem
Favourite
Which Scripts?
7 to 11
There are six numbers written in five different scripts. Can you sort out which is which?
problem
Favourite
Light the Lights
5 to 7
Investigate which numbers make these lights come on. What is the smallest number you can find that lights up all the lights?
problem
Favourite
Light the Lights Again
7 to 11
Each light in this interactivity turns on according to a rule. What happens when you enter different numbers? Can you work out the rule for each light?
problem
It's All About 64
7 to 11
Write the numbers up to 64 in an interesting way so that the shape they make at the end is interesting, different, more exciting ... than just a square.
problem
Favourite
Let's Investigate Triangles
5 to 7
Vincent and Tara are making triangles with the class construction set. They have a pile of strips of different lengths. How many different triangles can they make?
problem
Reaction Types
16 to 18
Explore the rates of growth of the sorts of simple polynomials
often used in mathematical modelling.