5th grade Unit 2 Mid Review

Round & Compare Decimals

100

Choose >< or = to compare each pair of numbers.

a) 70.24 ___ 70.240

b) 5.421 ___ 5.4

c) 19.657 ___ 19.67

a) =

b) >

c) <

200

List these in numbers in increasing order.

24.078, 24.78, 24.178, 24.07, 24.708

24.07, 24.078, 24.178, 24.708, 24.78

300

Isabella ran the 100-meter dash five times. The times it took her to complete these races, in seconds, were 12.7, 12.807, 12.78, 12.08, and 12.087. What was the fewest number of seconds it took Isabella to complete the race?

12.08

400

Decide if each length, when rounded to the nearest tenth, rounds to 6.6 inches.

a) 6.538 inches 

b) 6.647 inches

c) 6.687 inches 

a) no

b) yes

c) no

500

Julie weighs five watermelons and rounds the weights to the nearest tenth. Which of the weights round to 7.4 pounds? Choose all the correct answers.

A) 7.491 pounds 

B) 7.377 pounds

C) 7.439 pounds 

D) 7.452 pounds

E) 7.425 pounds

B, C, E

Divide whole numbers

100

516 ÷ 12 = 

43

200

1012 ÷ 11 = 

92

300

896 ÷ 32 = 

28

400

1344 ÷ 56 = 

24

500

Harrison creates balloon animals for different events. He has 6,440 balloons. He wants to use the same number of balloons for each of 28 events. How many balloons can Harrison use at each event?

230 balloons

Multiply Whole Numbers

100

132 X 34 =

4,288

200

285 x 27=

7,695

300

1,435 x 17 =

24,395

400

1,943 x 62 = 

120,466

500

A certain washing machine uses 29 gallons of water for each load of laundry washed. How many gallons of water would the washing machine use for 156 loads of laundry?

4,524 gallons

Powers of 10

100

Write 10⁴ as a product of 10. 

10x10x10x10

200

Write 10⁶ in standard form.

1,000,000

300

0.4 x 10³ = 

400

400

2.5 x 10 to the what power = 25,000

10⁴

500

Which equations are true? Choose all the correct answers.

A) 600 ÷ 10³ = 6 

B) 3 x 10² = 300 

C) 50 x 10³ = 5,000 

D) 300 ÷ 10⁴ = 0.03 

E) 0.6 ÷ 10² = 0.006

B, D, E

Read & Write Decimals

100

What is (7 x 1) + (4 x 0.1) + (6 x 0.001) written as a decimal in standard form?

7.406

200

Write 234.17 in word form.

two hundred thirty-four and seventeen hundredths

300

Tyler’s coin weighs two hundred thirty-one thousandths of an ounce. Write this in standard form and expanded form.

0.231

.2 + .03 + .001

(2 x .1) + (3 x 0.01) + (1 x 0.001)

(2 x 1/10) + (3 x 1/100) + (1 x 1/1000)

400

Write (8 x 1) + (9 x 1/100) + (4 x 1/1,000) in decimal form.

8.094

500

Paulo measures the length of a sideline on a football field. It is one hundred nine thousandths of a kilometer. Write this length as a decimal and in expanded form.

.109 km

0.1 + 0.009 or

(1 x 0.1) + (9 x 0.001) or

(1 x 1/10) + (9 x 1/1000)