Understanding Subtraction: Taking Away Everything

What is the result when you subtract a number from itself?

• One

• Negative one

• Zero

• The number itself

If you have 10 sticks and take all 10 away, how many are left?

• 0

• 10

• 1

• 5

What happens when you subtract 7 flowers from 7 flowers?

• You have 7 flowers left

• You have 0 flowers left

• You have 14 flowers left

• You have 1 flower left

On a number line, if you start at 5 and move back 5 spaces, where do you end up?

• At 10

• At 0

• At -5

• At 5

Using a number line, what is the result of 3 minus 3?

• 6

• 0

• 1

• 3