Decimal Place Value Review

Rounding

100

Round 1.23 to the nearest tenth

1.2

200

Round 432.928 to the nearest hundredth.

432.93

300

Round 541.242 to the nearest whole.

541

400

Round 8.99 to the nearest tenth.

9.0

Inequalities (<, >, =)

100

79 tenths              8.9

=

200

0.8        0.63

>

300

3 thousandths + 5 hundredths            0.045

>

400

3 x 10³ + 4 x 100 + 2 x 0.1 

3 x 1000 + 4 x 10² + 2 x 0.1

=

Conversions

100

49 meters = _______ cm

4,900 cm

200

145.6 cm = ________ meters

1.456 meters

300

86.23 meters = _______ mm

86,230 mm

400

5,821 mm = _________ meters

5.821 meters

Exponents

100

0.967 x 10³ =

967

200

632 ÷ 10³ =

0.632

300

186 ÷ 10 =

18.6

400

54.2 x 10³ =

54,200

Standard/Expanded Forms

100

Write the expanded form of 6.32 by multiplying each digit by its place value.

(6×1) + (3×0.1) + (2×0.01)

200

Write (5×0.1) + (6×0.01) in standard form.

0.56

300

Write the expanded form of 83.407 by multiplying each digit by its place value.

(8×10) + (3×1) + (4×0.1) + (0×0.01) + (7×0.001)

400

Write (4×10) + (5×1) + (6×0.1) + (7×0.01) +(8×0.001) in standard form.

45.678