CGP Online Edition

Using Number Lines to Add How It Works You can use number lines to add numbers. Start at the first number and count forwards to add.

1 2 3 4 5 6 7 8

9 10

So 1 + 5 = 6

Now Try These Add each pair of numbers. Circle the answer on each number line.

6 + 1 1 2 3 4 5 6 7 8

2 3 4 5 6 7 8 9 6 + 3

3 4 5 6 7 8 9 10 4 + 4

16