Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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Estimate by rounding each factor to the nearest whole number.
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1.
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Estimate the area of the figure by rounding to the nearest whole
number.
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2.
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a. | 54 m2 | c. | 42 m2 | b. | 49 m2 | d. | 48
m2 |
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3.
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a. | 20.5 in.2 | c. | 28 in.2 | b. | 24 in.2 | d. | 20
in.2 |
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Use the Distributive Property to rewrite the expression.
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4.
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a. | 3x + 0.45 | c. | 3x + 0.15 | b. | 3.15x | d. | 0.45x |
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5.
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a. | 0.52y | c. | 4y  0.52 | b. | 4.13y | d. | 4y  0.13 |
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Evaluate the expression.
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6.
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7.
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a. | 25.74 | c. | 86.96 | b. | 141.92 | d. | 72.96 |
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Evaluate the expression when x = 1.4 and y = 4.21.
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8.
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9.
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a. | 16.0822 | c. | 5.348 | b. | 17.0822 | d. | 1.6082 |
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10.
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a. | 34.699 | c. | 6.79 | b. | 34.599 | d. | 6.78 |
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Convert the fractions or mixed numbers to decimals. Then multiply.
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11.
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a. | 0.375 | c. | 0.0375 | b. | 0.1375 | d. | 0.475 |
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12.
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a. | 7.55875 | c. | 7.45875 | b. | 0.745875 | d. | 0.845875 |
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Numeric Response
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Find the product. Use an estimate to place the decimal point.
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1.
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Multiply. Use estimation to check your answer.
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2.
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Short Answer
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1.
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A human fingernail grows about 0.06 millimeters each day. How much does a
fingernail grow in 120 days? 150 days?
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2.
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New York has about 4.3 million acres of cropland. Virginia has about 0.97 times
as much cropland as New York. How much cropland does Virginia have?
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