2 out of 3
Take three consecutive numbers and add them together. What do you notice?
1 out of 3
It's easy to work out the areas of most squares that we meet, but what if they were tilted?
1 out of 3
Can you put the numbers 1-5 in the V shape so that both 'arms' have the same total?
2 out of 3
Four bags contain 1s, 3s, 5s and 7s. Can you pick ten numbers from the bags so that their total is 37?
1 out of 3
1 out of 3
Investigate what happens when you add house numbers along a street in different ways.
2 out of 3
Can you fill in this table square? The numbers 2-12 were used to generate it with just one number used twice.
1 out of 3
How would you create the largest possible two-digit even number using the digit you're given?
1 out of 3
Are these statements about number and shape always, sometimes or never true?
