Subtract Using Models

Which strategy is being used to subtract?

• mental math

• open number line

• standard algorithm

• models

Which equation matches the open number line.

• 348 + 580 = 232

• 580 - 300 = 348

• 580 -232 = 348

• 232 + 580 = 348

Use the number line to find the difference.

762 - 134 = ?

• 628

• 632

• 636

• 662

April has 365 stickers. She gives 238 stickers to Gwen. How many stickers does April have left?

___ stickers

Which place values needs to be regrouped in order to find the difference?

• ones and tens

• tens and hundreds

• ones, tens, and hundreds

Which place values needs to be regrouped in order to find the difference?

• ones and tens

• tens and hundreds

• ones, tens, and hundreds

Solve the problem using TWO STEPS.

Carl has 254 baseball cards. He gives 145 cards to John and 56 to Amy. How many cards does Carl have left?

____ cards

Meg has 780 blocks. Tasha has 545 fewer blocks than Meg. How many blocks does Tasha have?

____ blocks