2-Digit Addition and Subtraction Using a Number Line

Front

What is 12 - 3?

Back

9

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 the problem being solved if you see 62 and you are taking away 25?

Back

62 - 25

Front

What is 58 - 28?

Back

30

Front

If there are 45 gorillas and 51 more join, how many gorillas are there in total?

Back

96

Front

What does a number line help us do?

Back

It helps us visualize addition and subtraction.

Front

What is the first step in subtracting on a number line?

Back

Start at the first number.

Front

When adding on a number line, which direction do you move?

Back

To the right.

Front

When subtracting on a number line, which direction do you move?

Back

To the left.

Front

What is the sum of 30 + 13?

Back

43