Decimals

Place Value

100

1,243.2

What digit is in the ONES place?

3

200

162.45

What digit is in the TENS place?

6

300

45.893

What digit is in the TENTHS place?

8

400

1,435.982

What digit is in the THOUSANDTHS place?

2

500

345.982

What digit is in the HUNDREDTHS place?

8

Addition

100

34.62 + 23.98

58.6

200

456.2 + 23.2

479.4

300

354.123 + 5.67

359.793

400

23.132 + 1,452.5

1,475.632

500

98.022 + 0.293

98.315

Subtraction

100

56.98 - 23.45

33.53

200

24.093 - 1.34

22.753

300

456.981 - 3.08

453.901

400

0.961 - 0.2

0.761

500

420.532 - 23.7

396.832

Rounding

100

Round 342.1 to the nearest WHOLE NUMBER.

342

200

Round 823.89 to the nearest TENTH.

823.90

300

Round 45.972 to the nearest THOUSANDTH.

45.970

400

Round 23.009 to the nearest WHOLE NUMBER.

23

500

Round 473.701 to the nearest WHOLE NUMBER.

474

Expanded Form

100

Write in expanded form: 

45.92

40 + 5 + 0.9 + 0.02

200

Write in expanded form: 23.963

20 + 3 + 0.9 + 0.06 + 0.003

300

Write in expanded form:

62.783

60 + 2 + 0.7 + 0.08 + 0.003

400

Write in expanded form: 423.987

400 + 20 + 3 + 0.9 + 0.08 + 0.007

500

Write in standard form:

400 + 2 + 0.08

402.08