Notes: Multiplying Decimals

Notes: Multiplying Decimals

Grab your notes from your packet and fill them out as you follow along. A copy of these notes are on Google Classroom. Submit your completed notes at the end of the Quizizz.

Under line everything here on your notes.

Multiple Choice

Step 1 when multiplying decimals is to......

• multiply as you would whole numbers

• count the number of decimals

• make sure the product has the same amount of decimals

Multiple Select

Which one is NOT a step when multiplying decimals?

• line up the decimals before multiplying

• multiply like you do whole numbers

• count the number of decimals

• make sure the product has the same amount of decimals

Under line everything here on your notes.

Open Ended

How can using mental math make multiplying easier?

Complete number 3 and 4 on your own. Estimate first and then multiply to find the exact answer.

Multiple Choice

0.88 x 9 = ______

• 792

• 7.92

• 79.2

• .792

Multiple Choice

0.003 x 10 = ______

• 0.03

• .30

• 30

• .0003

Complete by multiplying AND using mental math.

Multiple Choice

1.75 x 1000 = ____

• 17.5

• 175

• 1750

• .1750

Multiple Choice

Using Mental math, which direction will you move your decimal?

• left

• right

Multiple Choice

Using Mental math, how many times will you move your decimal?

• 1

• 2

• 3

• 4

Open Ended

Using mental math, how do you know how many times to move the decimal in this equation?

Under line everything here on your notes. The key point here is to ADD all the numbers behind the decimal for your product.

Multiple Choice

How many digits will be behind the decimal point in the product?
0.15 x 0.624

• 2
• 3
• 4
• 5

Multiple Choice

How many digits will be behind the decimal in the product?
1.5 x 0.6

• 0
• 1
• 2
• 3

Multiple Choice

How many digits will be behind the decimal in the product?
0.15 x 0.6

• 0
• 1
• 2
• 3

Multiple Choice

What is the LAST step when multiplying decimals?

• Multiply like normal

• Line up the numbers by the decimal

• Put the decimal back in the answer

Complete number 8 on your notes. Estimate first.

Multiple Choice

How many numbers will be behind your decimal in your product?

• 1

• 2

• 3

• 4

Fill in the given information and solve. How much change will you receive?

Multiple Choice

How much do grapes cost per pound?

• $1.99

• 2.25

• $5

• .52

Multiple Choice

How many pound of grapes do you buy?

• $1.99

• 2.25

• $5

• .52

Multiple Choice

How much do your grapes cost? Round to the nearest hundredth.

• $1.99

• 2.25

• $5

• $4.48

Multiple Choice

How much change do you receive after paying for your grapes with your $5?

• $1.99

• 2.25

• $5

• .52

Poll

Do you have to show work on a separate sheet of paper for Worksheet B-39?

• Yes

• No

Multiple Choice

When is worksheet B-39 due?

• Today

• Friday

• Saturday

• Monday

Remember to turn in your completed notes on Google Classroom.