Multiplication & Decimal Review

Solve the problem:
3.4 x 5.6

• 19.04
• 1.904
• 190.4
• .1904

Tags

CCSS.6.NS.B.3

Solve the problem:
12 x 14

• 1.68
• 168
• 1214
• 12.14

Tags

CCSS.4.NBT.B.5

Solve the problem: 
5.21 x 3.5

• 182.35
• 18.235
• 1.8235
• 1823.5

Tags

CCSS.6.NS.B.3

Solve the problem:
2.9 x 3.7

• 10.73
• 107.3
• 1.073
• .1073

Tags

CCSS.6.NS.B.3

Solve the problem:
6.23 X 4.5

• 280.35
• 2803.5
• 28.035
• 2.8035

Tags

CCSS.6.NS.B.3

How many total digits are to the right of the decimal?
6.213

• 1
• 2
• 3
• 4

Tags

CCSS.5.NBT.A.3A

How many total digits are to the right of the decimal?
5.12

• 1
• 2
• 3
• 4

Tags

CCSS.5.NBT.A.3A

Our problem is not done!
What is our next step? 
8.1 x 4.2 = 3402

• Add the decimal
• No, it is done
• Double our answer
• Leave as is

Tags

CCSS.5.NBT.B.7

Where does our decimal belong?
3.61 x 7.1 = 25631

• In between 6 & 3
• In between 2 & 5
• In between 5 & 6
• In between 3 & 1

Tags

CCSS.5.NBT.B.7

When finding where to place our decimal, how do we count our digits?

• Starting from the RIGHT, going to the LEFT
• Starting from the LEFT, going to the RIGHT
• In the middle, going either way you feel like

Tags

CCSS.5.NBT.B.7