Unit 3 Test Review

Decimal Forms

100

Write “six and twenty-five hundredths” as a numeral.

6.25

200

Write 5.206 in word form.

five and two-hundred six thousandths.

300

Write this in numeral form. 

(3 × 1) + (4 × 1/10) + (7 × 1/100)

3.47

400

Write 9.053 in expanded fraction form.

(9 × 1) + (0 × 1/10) + (5 × 1/100) + (3 × 1/1000)

500

Convert to numeral:

(8 × 1) + (2 × 1/10) + (1 × 1/1000)

8.201

Comparing Decimals

100

Compare: 0.15 ___ 0.8

<

200

Compare: 0.308 ___ 0.380

<

300

Compare: 9.326 ___ 9.236

>

400

Which is greater: 0.42 or 0.402?

0.42

500

Order from least to greatest:

0.47, 0.407, 0.74

0.407, 0.47, 0.74

Rounding

100

Round 7.902 to the nearest one.

8

200

Round 7.902 to the nearest tenth.

7.9

300

Round 28.375 to the nearest hundredth.

28.38

400

Round 5.68 to the nearest tenth.

5.7

500

Round 12.99 to the nearest one.

13

Decimal Operations

100

3.98 + 4.77

8.75

200

8.75 – 5.4

3.35

300

6.2 + 0.35

6.55

400

12.05 – 0.9

11.15

500

4.007 + 3

7.007

Metric Conversions

100

Convert: 6.2 grams → milligrams

6,200 milligrams

200

Convert: 10,500 grams → kilograms

10.5 kilograms

300

Convert: 784 kilograms → grams

784,000 grams

400

Convert: 34 grams → kilograms

0.034 kilograms

500

How many milligrams are in 1.5 grams?

1,500 milligrams