Unit 4 Review

Reading/Writing Decimals

100

What is 0.67 written in words? 

sixty-seven hundredths 

200

What is three and six hundred twenty-two thousandths written in word form? 

3.622

300

What is 0.6 written as a fraction? 

6/10 

400

What is 402/1,000 written as a decimal? 

0.402

500

What number has a 5 in the tenths place, a 6 in the ones place, a 1 in the hundredths place, and a 2 in the thousandths place? 

6.512

Expanded form

100

Write 0.568 as the sum of decimals in standard notation 

0.5+0.06+0.008

200

What number equals .9+.004

.904

300

Write 0.6+0.03+0.007 as the sum of multiplication expressions using decimals 

(6x.1)+(3x.01)+(7x.001) 

400

What is 0.637 written as the sum of multiplication expressions as fractions? 

(6x1/10)+(3x1/100)+(7x1/1000)

500

What decimal equals 6+.009+.00003+.0000002

6.0090302

Rounding Decimals

100

Round 5.235 to the nearest tenth. 

5.2

200

Round 34.3629 to the nearest thousandth

34.363

300

Round 1,230.4265 to the nearest hundredth 

1,230.43

400

Round 34.2039 to the nearest whole 

34

500

Round 13,489.248393 to the nearest thousand

13,000

Comparing Decimals

100

Which number is greater? .6 or .2? 

.6

200

Which number is less? .43 or .16 

.16 

300

Put these numbers in order from LEAST to GREATEST 4.4, 0.04, 0.4, 4.04

0.04, 0.4, 4.04, 4.4

400

Put these numbers in order from GREATEST to LEAST 352.2, 352.6, 352.02, 352.06

352.6, 352.2, 352.06, 352.02

500

Put these numbers in order from LEAST to GREATEST. 57,483.4833. 57,393.20348, 57,393.1038, 57,483.02935

57,393.1038, 57,393.20348, 57,483.02935, 57,483.4833

Adding and Subtracting Decimals

100

Find the sum: 0.45+1.65

2.1

200

Find the difference: 4.76-0.141

4.619

300

Find the sum: 535.35+0.5843

535.9343

400

Find the sum: 58493.9584+589430.85943

647924.81783

500

Find the difference: 4521.58-15.59383

4505.98617