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Estimating/Rounding
Standard, Expanded, Exponent Form
Adding and Subtracting
Compare and Order
Expressions
100

Round each number to its underlined place:

6.241

6.24

100

Write each power of ten in exponent form:

10×10×10×10×10×10

106

100

3.7+1.5 =

5.2

100

Use >, <, or = to compare each pair of decimals:

110.13_______110.1

110.13 > 110.1

100

Evaluate each expression if p = 12 and q = 9

20 – p + q

17

200

Round each number to its underlined place:

8.12

8

200

Write each power of ten in exponent form:

0.0001

10-4

200

809+15.96

824.96

200

Use >, <, or = to compare each pair of decimals:

6.2_______6.20

6.2 = 6.20

200

Evaluate each expression if p = 12 and q = 9

6 + p - q

9

300

Round each number to its underlined place:

3.9612

4.0

300

Write the number in standard form:

Eight hundred and three tenths

800.3

300

94.9 - 41 =

53.9

300

Use >, <, or = to compare each pair of decimals:

0.8_______8.0

0.8 < 8.0

300

Write an algebraic expression: a number plus 15

n + 15

400

Estimate each value:

10.08 + 2.94 + 7.21

10 + 3 + 7 = 20

Actual Answer: 20.33

400

Write the number in standard form:

Sixty-four and forty-three hundredths

64.43

400

6.356 + 5.8 =

12.156

400

Order from greatest to least:

144.018, 143.9, 143.28, 144.59

144.59, 144.018, 143.9, 143.28

400

Write an algebraic expression: 3 years fewer than his big brother

b - 3

500

Estimate each value: 53.9 + 5.2

54 + 5 = 59

Actual Answer: 59.1

500

Write the number in standard form:

(4×105)+ (2×103)+(9×10-1)+(3×10-4)

402,000.9003

500

767.3 - 24.9 = 

742.4

500

Order from least to greatest:

63.7, 64, 63.197, 64.925

63.197, 63.7, 64, 64.925

500

Write an algebraic expression:

A number decreased by 311

n - 311