Understanding Number Lines: Before and After Numbers

What is the main purpose of a number line?

• To help us count numbers

• To measure distances

• To draw geometric shapes

• To solve algebraic equations

Which number comes immediately before 18 on a number line?

• 20

• 16

• 17

• 19

If you are at number 5 on a number line, which number is directly before it?

• 3

• 6

• 4

• 7

What number follows 14 on a number line?

• 12

• 16

• 15

• 13

On a number line, which number comes right after 10?

• 9

• 8

• 11

• 12