Multiply Decimals by 0.1, 0.01, and 0.001
Estimate Decimal Products
Multiply with Decimals
Write Multiplication Expressions
Evaluate Multiplication Expressions
100

500 x 0.1

500 x 0.01

500 x 0.001

50, 5, 0.5

100

Estimate the product: 9.27 x 1.5

About 9

100

0.07 x 3

0.21

100

Write the word phrase as an algebraic expression:

the product of a number and nine-tenths

0.9n or 9/10n or 0.9(n) or 9/10(n) or 0.9*n or 9/10*n

100

Evaluate the expression: 25 x 205

5125

200

6 x 0.1

60 x 0.1

600 x 0.1

0.6, 6, 60

200

Estimate the product: 3.8 x 40.7

About 160 or About 164

200

6.87 x 2

13.74

200

Write the word phrase as an algebraic expression:

five groups of some number

5x, 5(x), 5*x

200

Evaluate the expression: 3(y)(4), when y = 3

36

300

13.2 x 0.1

132 x 0.01

1320 x 0.001

1.32, 1.32, 1.32

300

Estimate the product: 8 x $46.95

About $376 or About $400

300

13.5 x 9.2

124.2

300

Write each expression as a word phrase:

75.3t

the product of 75.3 and t, 75.3 multiplied by t

300

Evaluate the expression: xy, when x = 3 and y =0.2

0.6

400

Andrew has $3.50. Cooper has one-tenth, or 0.1, that amount. How much money does Cooper have?

Cooper has $0.35.

400

Estimate the product: 6.1 x 15.2 x 28.3

About 2520 or About 3600

400

12.4 x 0.9 x 0.8

8.928

400

A farmer sells apples for $0.65 each. Write an expression to represent how much g apples cost.

$0.65g, $0.65*g, $0.65(g)

400

Evaluate the expression, use order of operations:

6d - c, when d = 20 and c = 4.6

115.4

500

Emma wants to find the total cost of 200 text messages that cost $0.10 each. What is the total cost for 200 text messages?

The total cost for 200 text messages is $20.

500

A dragonfly can fly 9.9 miles in one hour. About how far can the dragonfly fly in 4.5 hours, if you suppose it can fly without resting?

The dragonfly can fly about 50 miles in 4.5 hours.

500

A botanist finds that a certain plant grows about 0.5 inches each month. How many inches do you predict the plant will grow in 15 months?

I predict that the plant will grow about 7.5 inches in 15 months.

500

Kimmy runs 2.5 miles each day for some number of days. What expression represents the total number of miles Kimmy runs?

2.5k, 2.5(k), 2.5*k

500

Let h represent the number of hours it takes to fix a computer. The expression 40h shows the cost a computer repair center charges customers. How much does a 3.5-hour repair cost?

A 3.5-hour repair costs $140.

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