Using Bar Models: Addition and Subtraction

Is this bar model addition or subtraction?

• addition

• subtraction

Tags

CCSS.2.NBT.B.7

Is this an addition problem or a subtraction problem?

• addition

• subtraction

Tags

CCSS.2.NBT.B.7

What number goes first when solving this problem?

• 280

• 98

Tags

CCSS.2.NBT.B.7

Tom has 175 baseball cards. His uncle gives him 67 more baseball cards. How many does he have now?

Is this addition or subtraction?

• Addition

• Subtraction

Tags

CCSS.2.NBT.B.7

Sally has 382 marbles. She gives some marbles to her friend. Now she has 135 stickers left. How many stickers did Sally give her friend?

Is this addition or subtraction?

• Addition

• Subtraction

Tags

CCSS.3.OA.D.8

Is this bar model addition or subtraction?

• addition

• subtraction

Tags

CCSS.2.NBT.B.7

Mr McQuerry has 776 juice boxes. He sells 102 juice boxes. How many juice boxes does he have now?

Is this addition or subtraction?

• Addition

• Subtraction

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Is this bar model addition or subtraction?

• addition

• subtraction

Tags

CCSS.2.NBT.B.7

What number would you put first when setting up your number sentence?

• 137

• 272

Tags

CCSS.2.NBT.B.7

The florist has 124 pink flowers and 32 white flowers. How many flowers does the florist have in all?

• 92

• 166

• 156

• 98

Tags

CCSS.2.NBT.B.6