Decimal Review

+ and -Decimals

100

3 + 2.85 = ___

5.85

200

8 - 2.50 = 

5.50

300

7.99 - 3.45 = ___

4.54

400

0.567 + 0.234 = ____

0.801

500

6.15 - 3.04 = ____

3.11

Rounding

100

Round 8.38 to the nearest whole number.

8.0

200

Round 4.92 to the nearest whole number. 

5.0

300

Round 2.68 to the nearest tenth.

2.7

400

Round 25.855 to the nearest hundredth.

25.86

500

Round 12.009 to the nearest hundredth.

12.01

Expanded Form

100

write 25 in expanded form.

(2x10) + (5x1)

200

Write 16.5 in expanded form.

(1 x 10) + (6 x 1) + (5 x 1/10)

300

Write 8.32 in expanded form.

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

400

Write 0.493 in expanded form.

(4 x 1/10) + (9 x 1/100) + (3 x 1/1000) 

500

Write 271.36 in expanded form.

(2 x 100) + (7 x 10) + (1 x 1) + (3 x 1/10) + (6 x 1/100)

Place Value

100

5,293.55

What number is in the thousands place?

5

200

358.21

What place value is the 2 in.

tenths

300

467.23

What place value is the number 3 in?

hundredths

400

9823.483

What number is in the thousandths place?

3

500

4569.3321

What number is in the thousands AND the thousandths place?

4 and 2

Comparing Decimals

100

What number is greater?

0.81 or 0.76

0.81

200

What number is less?

0.33 and 039

0.33

300

Which number is greater.

25.0 or 25.4

25.4

400

which number is less?

11.110 or 11.011?

11.011

500

which is greater?

3.454 or 3.4540?

They are equal.