Multiply Decimals by Whole Number Model

Use the decimal model to find the product.

4 × 0.07 =

(a)  

Tags

CCSS.5.NBT.B.7

What multiplication expression does the model show?

• 5 × 0.4

• 5 × 0.6

• 16 × 0.05

• 5 × 0.16

Tags

CCSS.5.NBT.B.7

Which equation matches the model?

• 4 × 0.31 = 1.24

• 4 × 0.31 = 1.51

• 4 × 0.39 = 1.24

• 4 × 0.39 = 1.56

Tags

CCSS.5.NBT.B.7

Multi-Step Use Diagrams

Use a quick picture to multiply 3 × 0.16.

Then multiply the result by 3 again. What is the final product?

• 0.32

• 0.48

• 1.44

• 1.24

Tags

CCSS.7.EE.B.3

Use the decimal model to find the product.

4 × 0.13 =

(a)  

Tags

CCSS.5.NBT.B.7

83.05 x 100 = ____

• 8.305

• 83.05

• 830.5

• 8305

Tags

CCSS.5.NBT.A.2

William buys 9 bags of chocolate. Each bag weighs 8.67 ounces. How many ounces of chocolate does William buy?

• 780.3 ounces

• 0.78 ounces

• 7.8 ounces

• 78.03 ounces

Tags

CCSS.6.NS.B.3

Lara uses 0.34 meter of ribbon in her art project. Nate uses 10 times as much ribbon as Lara. How much ribbon does Nate use?

(a)  

Tags

CCSS.7.EE.B.3

Which equation accurately represents the model ?

• 0.3 x 3= 9

• 0.3 x 0.3=0.9

• 0.3 x 3 =0.90

• 3x3 =9

Tags

CCSS.5.NBT.B.7

Sidney's bag of popcorn weighs 1.89 ounces. Sam's bag of popcorn weighs 4 times as much. What is the weight of Sam's popcorn?

(a)  

Tags

CCSS.6.NS.B.3