5th Grade Review NBT and OA

Powers of 10

100

What is 1,000,000 written as a power of 10?

10⁶

200

What is 100 x 100 written as a power of 10?

10⁴

300

Write 10⁷ in standard form.

10,000,000

400

Write 10³ x 10⁶ in standard form.

1,000,000,000

500

Write 10^-3 in standard form.

.001

Multiplying Decimals

100

Find the product:

(0.4)(0.002)

0.0008

200

Find the product:

(0.25)(0.3)

0.075

300

Find the product:

5.6 x 0.45

2.52

400

Find the missing factor:

(0.3)(0.7)( ? ) = 0.042

0.2

500

Find the product.

4.06 x 2.18

8.8508

Subtracting Decimals

100

Find the difference.

18 - 11.91

6.09

200

Find the difference.

5214 -386.27

4,827.73

300

Find the missing addend.

200.83 + ? = 402

201.17

400

Find the missing addend.

12,500 + ? = 21,268.25

8768.25

500

4.5(4) - 8.027

9.973

Dividing Decimals

100

28.32 divided by 0.4

70.8

200

Find the quotient.

25 divided by 0.01

2500

300

Find the quotient.

2.88 divided by 0.12

24

400

Find the quotient.

62.5 divided by 2.5

25

500

Find the quotient.

0.285 divided by 0.15

1.9

Comparing Decimals

100

Use <, >, or equal to compare the decimals.

12.5 _____ 12.09

>

200

Use <, >, or equal to compare the decimals.

68.4 ______ 68.400

=

300

Use <, >, or equal to compare the decimals.

428.1 _____ 42.89

>

400

Use <, >, or equal to compare the decimals.

587.28 ______ 587.3

<

500

Use <, >, or equal to compare the decimals.

86.05 ______ 86.1

<