Topic 1 Math Review

Powers of 10

100

Write 10x10x10x10 using an exponent!

10⁴

200

What is 10⁴?

10,000

300

Solve:  3 x 10³

3,000

400

Solve:  4 x 10² + 2 x 10⁵

200,400

500

Solve:  4³

64

Place Value Relationships

100

0.05 is 10 times _________?

0.005

200

5 is 100 times _________?

0.05

300

0.5 is 1/100 of _________?

50

400

7.055 is 1/10 of _________?

70.55

500

70.55 is 10 times _________?

7.055

Decimals in Many Forms

100

What is fifty-two thousand, eight hundred thirty and nineteen hundredths in standard form?

52,830.19

200

What is 5.625 in expanded form - using fractions?

(5x1) + (6x 1/10) + (2x 1/100) + (5x 1/1000)

300

What is 5.625 in number names (word form)?

five and six hundred twenty-five thousandths

400

Write 4.035 in expanded form.

(4x1) + (3x 1/100) + (5x 1/1000)

500

Write 52,830.19 in number names (word form).

fifty-two thousand, eight hundred thirty and nineteen hundredths

Compare Decimals

100

Compare:  2.36 ______ 2.306

2.36 > 2.306

200

Compare:  6.203 _____ 6.32

6.203 < 6.32

300

Compare:  0.97 _______ 0.097

0.97 > 0.097

400

Compare:  0.010 _______ 0.01

0.010 = 0.01

500

Compare:  97/1000 _______ 0.97

97/1000 < 0.97

Round Decimals

100

Round to the nearest tenth:  35.391

35.4

200

Round to the nearest tenth:  35.45

35.5

300

Round to the nearest tenth:  52.752

52.8

400

Round to the nearest tenth:  35.041

35.0

500

Round to the whole number:  65.132

65