Adding, Subtracting, and Multiplying Decimals

Presentation

•

Mathematics

•

6th Grade

•

Practice Problem

•

Medium

•

CCSS

6.NS.B.3, 5.NBT.B.7

Standards-aligned

Erin Cooper

Used 23+ times

FREE Resource

5 Slides • 20 Questions

REMEMBER!!

ALWAYS line up your decimal points!

Adding & Subtracting Rules

Line Up Your Decimal!!

Multiple Choice

Which is correct?

Left

Right

Multiple Choice

Which is correct?

Left

Right

Multiple Choice

What is the sum of 1.70+4.65?

2.95

5.35

6.35

a decimal

Multiple Choice

Find the sum.
2.98 + 5.3 = ____

2.51

8.28

3.63

2.37

Multiple Choice

Solve the following addition problem. 5.5+4.3=

54.53

9.8

9.08

Multiple Choice

Snack Bar Menu:

Water Bottle: $1.00

Soda: $1.50

Candy Bar: $.75

Popcorn: $1.00

Hot Dog: $2.00

How much does it cost to buy a soda and a bag of popcorn?

$.50

$2.50

$250

$2.25

Multiple Choice

20 - 18.75

2.75

18.75

1.25

15.65

Multiple Choice

What is 2.14 - 1.04?

1.89

1.1

3.18

0.76

Multiple Choice

What is 4.09 - 2.27?

1.82

6.36

2.40

2.02

Multiple Choice

What is 7.89 - 3.45?

1.54

4.44

4.67

2.89

If both numbers have a decimal...

Count the number of place values after the decimal for EACH number. When you get to your answer, move the decimal back that many places.

Multiplying Decimals

I am learning to multiply decimals and whole numbers.

Fill in the Blanks

Type answer...

Multiple Select

Where does the decimal go in the answer:

.11 x .3 = 33

0.033

0.33

3.3

Multiple Choice

45.1 x 7

31.57

315.7

3,157

3.157

Multiple Choice

What is the correct location of the decimal point in the product?

22.2 x 0.44 = 9768

0.9768

97.68

976.8

9.768

Multiple Choice

How many decimal places should we have in the product for this multiplication problem: 0.15 x 0.6

Multiple Choice

How many decimal places should we have in the product for this multiplication problem: 1.5 x 0.6

Multiple Choice

4 x 0.03

0.12

120

0.012

Fill in the Blanks

Type answer...

Multiple Choice

Multiply.

7 × 0.9 = ?

0.063

0.63

6.3

Multiple Choice

0.2 x 0.8

0.16

0.016

1.6

REMEMBER!!

ALWAYS line up your decimal points!

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