Unit 2 Review

Adding Decimals

100

6.36 + 0.25

6.61

200

123.65 + 2.36

126.01

300

112,234.89 + 52.879

112,287.769

400

234,456.098 + 456.987

234,913.085

500

765.98 + 234.87 + 123.98

1124.83

Subtracting Decimals

100

1.25 - 0.25

1.00

200

11.87 - 3.95

7.92

300

453 - 127.098 

325.902

400

675,456.9 - 235,654.806

439802.094

500

12.87 - 4.91 - 6.56

1.4

Estimation

100

Use Estimation to Solve

23.25 + 10.45

33.00

200

235.63 - 154.09

82

300

25.8 - 13.7

12

400

10,987.67 - 5,678.04

5,000.00

500

124,678.098 + 234,876.078

300,000.000

Rounding

100

3.4

3

200

4.565

5

300

76.98

80

400

234.12

200

500

10,875

11,000

Forms

100

Name the form

546

Standard

200

Name the Form

400 + 30 + 5

Expanded

300

Place in Expanded Form

768

700 + 60 + 8

400

Write in Expanded Form

345.09

300 + 40 + 5 + 09

500

Write in Word Form

5678.023

five thousand six hundred seventy-eight and twenty-three thousandths