Multiplying & Dividing Decimals by Powers of 10
Powers of 10
Compare Decimals
Read & Write Numbers
Round Decimals
100

What is 3.4 x 100?

340

100

Write what number 104 is equal to.

10,000

100
Compare the two 5s to the 5 in the middle:

0.555

The five to the left is 10x the size of the five in the middle.

The five to the right is 1/10 the size of the five in the middle.

100

Write 50,000 + 100 + 10 in standard form.

50,110

100
Round the number to the place of the underlined digit:

5.18

5.2
200

What is 2.1 divided by 10?

0.21

200

How many zeros would be in the product of 20 x 101?

Two zeros.

200

Select the decimal that is equivalent to 5.31.

a. 5.3

b. 5.311

c. 5.310

d. 53.1

C

200

Lila is thinking of a four-digit number described below.

  1. The value of the digit in the hundreds place is 400.
  2. The value of the digit in the ones place is 7.
  3. The value of the digit in the thousands place is 8,000.
  4. The value of the digit in the tens place is 90.

What number is Lila thinking of?

8,497

200

Round this number to the nearest whole number:

5.639

6

300

What is 3,100 divided by 10?

310

300

How many zeros would be in the product of 100 x 103?

5

300

Compare the two decimals using <,>, or =. 0.09____ 0.090

=
300

Write the number in standard form:

(5 x 1,000) + (4 x 100) + (3 x 1) + (7 x 1/10)

5,403.7

300

Round this number to the nearest hundredth:

3.182

3.18

400

Candace bought 10 flowers. Each flower cost $1.25. How much did she pay for all 10 flowers?

$12.50

400

Which expressions are equal to 5 x 103?

a. 5 x 100

b. 5 x 1,000

c. 5 x 10,000

d. 5 x 10 x 10 x 10

e. 5 x 10 x 10 x 10 x 10 x 10

B & D

400

Write a comparison statement comparing 3.218 and 3.22.

3.22 > 3.218

400

Is this comparison true?

5.30 > 5.301

No.

400

Round this number to the nearest thousandth:

12.3178

12.318

500

Sydney bought magnets from the souvenir shop when she was on vacation. Each magnet cost $0.99.

If Sydney bought 100 magnets in all, what was the cost of the magnets altogether?

$99.00

500

Which expressions are equal to 3 x 104?

a. 3 x 100

b. 3 x 1,000

c. 3 x 10,000

d. 3 x 10 x 10 x 10

e. 3 x 10 x 10 x 10 x 10

C & E

500

Which decimal is less than 1.76?

2.5,  1.076, or 1.8

1.076

500

Write the following number in word form:

1,328.12

one thousand three hundred twenty eight and twelve hundredths

500

Round this number to the nearest whole number:

143.499

143

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