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problem
2 out of 3
Jumping Squares
5 to 11
2 out of 3
In this problem it is not the squares that jump, you do the jumping! The idea is to go round the track in as few jumps as possible.
problem
2 out of 3
Favourite
Loch Ness
16 to 18
2 out of 3
Draw graphs of the sine and modulus functions and explain the humps.
problem
2 out of 3
Favourite
Round and Round the Circle
7 to 11
2 out of 3
What happens if you join every second point on this circle? How about every third point? Try with different steps and see if you can predict what will happen.
problem
1 out of 3
Sports Equipment
7 to 11
1 out of 3
If these balls are put on a line with each ball touching the one in front and the one behind, which arrangement makes the shortest line of balls?
problem
2 out of 3
Rationals Between...
14 to 16
2 out of 3
What fractions can you find between the square roots of 65 and 67?
problem
2 out of 3
Favourite
Light the Lights Again
7 to 11
2 out of 3
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
1 out of 3
Favourite
Up and Down Staircases
7 to 11
1 out of 3
One block is needed to make an up-and-down staircase, with one step up and one step down. How many blocks would be needed to build an up-and-down staircase with 5 steps up and 5 steps down?
article
Curvature of Surfaces
How do we measure curvature? Find out about curvature on soccer and rugby balls and on surfaces of negative curvature like banana skins.
article
Playing With Factors and Multiples
This article for primary teachers outlines why developing an intuitive 'feel' for numbers matters, and how our activities focusing on factors and multiples can help.