Estimating KS2

Make 100

Age 7 to 11 Challenge Level:

Find at least one way to put in some operation signs (+ - x รท) to make these digits come to 100.

Four Go

Age 7 to 11 Challenge Level:

This challenge is a game for two players. Choose two numbers from the grid and multiply or divide, then mark your answer on the number line. Can you get four in a row before your partner?

Curious Number

Age 7 to 11 Challenge Level:

Can you order the digits from 1-3 to make a number which is divisible by 3 so when the last digit is removed it becomes a 2-figure number divisible by 2, and so on?