2-Digit Addition and Subtraction Using a Number Line

Front

What is 37 - 9 on a number line?

Back

28

Front

What problem is shown on the number line if you start at 31 and move 13 spaces to the right?

Back

31 + 13

Front

What is 28 - 9 on a number line?

Back

19

Front

What is 13 - 5 on a number line?

Back

8

Front

What is the answer to the problem on the number line if it shows 17?

Back

17

Front

What does a number line help us do?

Back

It helps us visualize addition and subtraction.

Front

If you add 10 to 25 on a number line, what do you get?

Back

35

Front

If you subtract 4 from 20 on a number line, what do you get?

Back

16

Front

What is the first step in using a number line for addition?

Back

Start at the first number.

Front

What is the first step in using a number line for subtraction?

Back

Start at the number you are subtracting from.