C5 Topic 4 Reteaching

Look at the chart to see how patterns are used when multiplying decimals. When you understand the pattern

Type: yes

in the answer blank to move on.

Make sure to use all lowercase letters.

Tags

CCSS.5.NBT.A.2

Find the of product

10 x 4.5

• 40

• 45

• 50

• 55

Tags

CCSS.5.NBT.B.7

Find the product.

10³ x 3.67

• 367

• 36.7

• 3670

• 36700

Tags

CCSS.5.NBT.A.2

CCSS.5.NBT.B.7

Find the product.

100 x 4.5

• 4500

• 45

• 0.045

• 450

Tags

CCSS.5.NBT.B.5

CCSS.5.NBT.B.7

Find the product of 0.008 x 10²

• 0.8

• 0.08

• 8

• 80

Tags

CCSS.5.NBT.A.2

What is the best estimated product for 0.38 x 99

Show estimated factors in your notebook.

• Approximately 40

• Approximately 30

• Approximately 50

• Approximately 35

Tags

CCSS.5.NBT.A.4

CCSS.5.NBT.B.7

Best estimate

8 x 56.7

• 400

• 480

• 500

• 550

Best estimate

11 x 4.89

• 50

• 65

• 60

• 55

Tags

CCSS.5.NBT.A.4

Best estimate

24 x 3.9

• 90

• 95

• 100

• 105

Tags

CCSS.5.NBT.B.5

Remember to use estimation to check the reasonableness of your answer.

You should use rounding or compatible numbers to make sure your decimal placement makes sense.

Type: ok

when you understand how to make sure your answer makes sense.

Tags

CCSS.5.NBT.A.4

CCSS.5.NBT.B.7