Operations with Decimals Study Guide

Select all operations that require you to line up the decimals when solving.

• Adding

• Subtracting

• Multiplying

• Dividing

Tags

CCSS.5.NBT.B.7

16.3 - 4.156

What should you do first to set this problem up?

• Remove the decimals - write without.

• Line up decimals and place values.

• Count the decimal places.

• Move the decimal 3 spots right.

Tags

CCSS.5.NBT.B.7

$54.99 + $4.65 = 

• $59.64
• $95.64
• $50.34
• $58.34

Tags

CCSS.6.NS.B.3

0.18 x 2.3 = 414

Where does the decimal go?

• 4.14

• 41.4

• 0.414

• 414.0

Tags

CCSS.6.NS.B.3

0.18 x 2.3

Which multiplication problem should you set up to solve?

• 23 x 18

• 018 x 23

• 230 x 18

• 23 x 1.8

Tags

CCSS.5.NBT.B.7

4.35 x 1.2

Which multiplication problem should you set up to solve?

• 435 x 12

• 4.35 x 12

• 435 x 120

Tags

CCSS.5.NBT.B.7

4.5 x 2.3

Use estimation and decimal knowledge to solve.

• 1.035

• 13.345

• 10.35

• 103.5

Tags

CCSS.5.NBT.B.7

13.5 ÷ 5

Do you need to move the decimal before solving?

• No

• Yes - 1 spot

Tags

CCSS.6.NS.B.3

13.5 ÷ 5

Use estimation to solve. (How many groups of 5 go into 13.5?)

• 2.7

• 45.27

• .27

• 4.7

Tags

CCSS.5.NBT.B.7

25.62 ÷ 1.2

Do you need to move the decimal before solving?

• No

• Yes - 1 spot right

• Yes - 2 spots right

Tags

CCSS.5.NBT.B.7