1 out of 3
A simple visual exploration into halving and doubling.
1 out of 3
Try out this number trick. What happens with different starting numbers? What do you notice?
1 out of 3
Watch the video of this game being played. Can you work out the rules? Which dice totals are good to get, and why?
2 out of 3
Four bags contain a large number of 1s, 3s, 5s and 7s. Can you pick ten numbers from the bags so that their total is 37?
2 out of 3
A hundred square has been printed on both sides of a piece of paper. What is on the back of 100? 58? 23? 19?
2 out of 3
This problem challenges you to find out how many odd numbers there are between pairs of numbers. Can you find a pair of numbers that has four odds between them?
3 out of 3
What is the greatest number of squares you can make by overlapping three squares?
3 out of 3
Here are shadows of some 3D shapes. What shapes could have made them?
3 out of 3
This problem looks at how one example of your choice can show something about the general structure of multiplication.
1 out of 3
Can you find all the ways to get 15 at the top of this triangle of numbers? Many opportunities to work in different ways.
