Quest of Nine

The Book

Number lines

A number pattern is often shown as a number line.

Can you recognise what the number pattern is for the following number lines and continue them for five more numbers?

0 2 4 6 8 10 12 _ _ _ _ _

0 5 10 15 20 25 _ _ _ _ _

0 9 18 27 36 45 _ _ _ _ _

5 4 3 2 _ _ _ _ _

10 7 4 1 _ _ _ _ _

Here are some more number lines which are not quite so easy to work out.

0 1 3 6 10 15 _ _ _ _ _

0 1 4 9 16 25 _ _ _ _ _

0 1 1 2 3 5 8 _ _ _ _ _