Substraction with Regrouping

You can ___________ to find the difference.

• place value

• subtract

• regroup

To take a number apart and write it a new way is to _______________.

• place value

• subtract

• regroup

900-600=?

• 1 500

• 300

• 150

• 3 000

773-100=

• 673

• 772

• 763

Find the difference.

• 611

• 609

• 1 267

• 569

There are 620 buttons. 200 of them are square. The rest are round. How many buttons are round?

• 420

• 520

• 820

• 1 620

• 1 606

• 1 660

To identify the value of the digit 9 in the numbers 976, 93, and 9, use what you know about _______________.

• place value

• regroup

• subtract