Model Addition and Subtraction

3/5 + 1/5 =

• 4/5

• 2/5

• 5/5

• 3/5

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Mrs. McIntosh had a dozen eggs. She used 4 eggs to make brownies and used 5 eggs to make omelets. What fraction of the eggs are left?

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

A fraction model is shown. What is the sum of the fractions represented by the shaded and unshaded parts of the model?

• 3/8 + 5/8 = 8/8

• 3/3 + 5/5 = 2

• 3/5 + 5/3 = 8/8

• 3/8 + 4/8 = 7/8

Tags

CCSS.4.NF.B.3A

What subtraction equation with the CORRECT answer could be demonstrated by the models?

• 7/8 - 6/8 = 1 1/8

• 15/8 - 7/8 = 8/8

• 2 5/8 - 6/8 = 1 7/8

• 5/8 - 1/8 = 4/8

Tags

CCSS.4.NF.B.3A

396

414

596

386

• 396

• 414

• 596

• 386

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

239

230

170

160

• 239

• 230

• 170

• 160

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

279

• 279

• 269

• 331

• 278

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Which expression has the same answer as 3/12 + 7/12?

• 5/12 + 4/12

• 5/12 + 5/12

• 7/12 + 4/12

• 6/12 + 6/12

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Ty ordered a pizza for dinner. The pizza was cut into 8 slices of the same size. Ty ate 2 slices of pizza. He was still hungry, so he ate another slice. Which number sentence shows how much of the pizza Ty ate?

• 2/8 + 1/8 = 8/3

• 2/8 + 1/8 = 3/8

• 2/8 = 3/8 = 8/5

• 2/8 + 3/8 = 5/8

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

• 1/8 mile

• 1/2 mile

• 5/8 mile

• 3/4 mile

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B