3 -Digit Subtraction WITH Regrouping (Hundreds to tens and tens to ones)

Is there more on the top or more on the floor?

• On the floor

• On the top

If there's more on the floor....

• Give up and wait for your teacher to do it

• Subtract the top number from the bottom number

• go next door and get ten more! 

How many TENS do you have to subtract with now?

• 12

• 2

How many TENS are LEFT?

• 7

• 5

How many HUNDREDS are left?

• 3

• 1