Multiplying Decimals - Models and Algorithm

What equation does this model represent?

• 2 x 4 = 8

• 0.2 x 0.4 = 0.8

• 0.2 x 0.4 = 0.08

• 0.4 x 2 = 0.8

Tags

CCSS.5.NBT.A.2

CCSS.5.NBT.B.7

What multiplication sentence matches this model?

• 0.3 x 0.8 = 2.4

• 0.3 x 0.8 = 0.024

• 3 x 0.8 = 0.32

• 0.3 x 0.8 = 0.24

Tags

CCSS.5.NBT.A.3

CCSS.5.NBT.B.7

What product is represented by this multiplication model?

• 15

• 3

• 5

• 20

What equation is represented by this model?

• 2 x 2 = 4

• 0.02 x 0.02 = 0.04

• 0.2 x 0.2 = 0.4

• 0.2 x 0.2 = 0.04

Tags

CCSS.5.NBT.A.2

CCSS.5.NBT.B.7

What equation is represented by the following model?

• 0.4 x 0.6 = 0.24

• 0.04 x 0.06 = 0.024

• 4 x 0.6 = 2.4

• 0.4 x 0.6 = 0.024

Tags

CCSS.5.NBT.A.3

CCSS.5.NBT.B.7

What is the product of 2.3 x 2.7?

• 62.1

• 6.21

• 6.01

• 2.07

What is the product of the factors 1.2 x 5.13?

• 6.156

• 15.39

• 1.539

• 61.56

Tags

CCSS.5.NBT.B.7

What is the product of 6.31 x 4.7?

• 30.457

• 28.457

• 296.57

• 29.657

Sally ran 2.7 miles each morning. What is her total distance in miles after a full week?

• 18.9 miles

• 18 miles

• 13.5 miles

• 5.4 miles

James was cutting wire to make circuits in the STEM lab. He cut each piece of wire to exactly 12.5 inches long. How much total wire will he need to make 18 pieces?

• 221 inches

• 225 inches

• 22.5 inches

• 235 inches