11-2 Represent Subtracting Tens

• 40

• 30

• 20

• 10

If you start at 70 on a number line and move back 30, where do you land?

• 50

• 40

• 30

• 60

• 20

• 30

• 40

• 50

On a number line, if you start at 100 and subtract 40, where will you be?

• 70

• 60

• 50

• 80

• 20

• 30

• 40

• 50