If I double a number, I add it to itself.
So 2 doubled is 2 + 2 which makes 4.
What is 3 doubled?
What number do we get when we double 4?
A number is doubled to get 6. What number is it?
Find the answer to the following sum which doubles 6.
7 is one more than 6.
Use this to find the answer to the following sum.
Find the missing number.