7th Grade Math

Test PracticeT

330 Percent

48. The graph shows the results of a survey
    of 510 students.

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Pet Preferences

Which is the best estimate for the

percent of students who prefer cats?

A. 75

B. 125

C. 225

D. 450

49. Mallory is buying bedroom furniture for
    $1,789.43. The dresser is 39.7% of the
    total cost. Which is the best estimate for
    the cost of the dresser?
    F. $540 H. $720
    G. $630 I. $810


50. Abey asked 50 students to vote for the
    school issue that was most important to
    them. The results are shown below.

Issue Votes

Library use 10%

Time to change classes 12%

Use of electronics 18%

Lunch room rules 20%

Dress code 40%

About how many students chose “Time

to change classes” as the most important

issue?

A. 3 C. 9

B. 5 D. 12

C 44. CHALLENGE Explain how you could find _^38 % of $800.

45. FIND THE ERROR Jamar is estimating 1.5% of 210.
    Find his mistake and correct it.

1.5% of 210

≈ 1 • 200 + 0.5 • 200

= 200 + 100

= 300

.

46. NUMBER SENSE Is an estimate for the percent of a number always,
    sometimes, or never greater than the actual percent of the number? Give
    an example or a counterexample to support your answer.


47. E WRITE MATH Estimate 22% of 136 using two different methods.
    Justify the steps used in each method.

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