Unit 1 Preassessment: Rational Number Uses

18 Questions | By Mrssurratt | Last updated: Jan 17, 2013 | Total Attempts: 166

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This quiz will not serve as a grade, but as a means to determine areas of strength and weakness. Please take your time and answer each question to the best of your ability.

Questions and Answers

1.

Which ratio describes 20 basset hounds out of 45 dogs as a fraction in simplest form?
- A.
  
  20/45
- B.
  
  9/4
- C.
  
  9:4
- D.
  
  4/9
2.

Bonnie purchased a 30-ounce package of Chocolate Chunk Cookies for $2.40. What is the cost per ounce?
- A.
  
  $0.88 per oz.
- B.
  
  $8.00 per oz.
- C.
  
  $0.80 per oz.
- D.
  
  $0.08 per oz.
3.

Bus Number 712 traveled 150 miles on 10 gallons of gas. How many miles per gallon does the bus get?
- A.
  
  15
- B.
  
  150
- C.
  
  1.5
- D.
  
  0.15
4.

Approximately 105 out of 350 teens have their own savings account. Express the ratio 105:350 as a fraction in simplest form.
- A.
  
  3/1
- B.
  
  1/3
- C.
  
  10/3
- D.
  
  3/10
5.

Express the ratio that compares the number of purple Skittles to the total number of Skittles.
- A.
  
  2/23
- B.
  
  3/15
- C.
  
  1/4
- D.
  
  2/3
6.

Express 0.4 as a fraction in simplest form.
- A.
  
  2/5
- B.
  
  4/100
- C.
  
  1/4
- D.
  
  4/10
7.

The White House is approximately 18.05 acres. Express this decimal as a mixed number in simplest form.
- A.
  
  18 and 1/5
- B.
  
  18 and 5/100
- C.
  
  18 and 1/50
- D.
  
  18 and 1/20
8.

Express 0.6 as a fraction in simplest form.
- A.
  
  6/100
- B.
  
  3/5
- C.
  
  6/10
- D.
  
  1/2
9.

Write two and twelve hundredths as a mixed number in simplest form.
- A.
  
  2 and 6/40
- B.
  
  2 and 6/50
- C.
  
  2 and 3/25
- D.
  
  2
10.

Write 7 and 4/5 as a decimal.
- A.
  
  7.8
- B.
  
  7.9
- C.
  
  7.4
- D.
  
  7.45
11.

Replace the # with a number so that the fractions are equivalent: 18/21 = 6/#
- A.
  
  7
- B.
  
  3
- C.
  
  4
- D.
  
  6
12.

Write 5/20 in simplest form.
- A.
  
  1/5
- B.
  
  1/4
- C.
  
  4/5
- D.
  
  1/20
13.

Write 42/54 in simplest form.
- A.
  
  8/10
- B.
  
  7/9
- C.
  
  8/9
- D.
  
  21/27
14.

State the least common denominator of 8/15 and 13/25.
- A.
  
  100
- B.
  
  300
- C.
  
  25
- D.
  
  75
15.

Write 1/4, 1/3, and 2/7 in order from least to greatest.
- A.
  
  2/7, 1/3, 1/4
- B.
  
  1/3, 1/4, 2/7
- C.
  
  1/4, 2/7, 1/3
- D.
  
  2/7, 1/4, 1/3
16.

Write 6x6x6x6x6 using exponents.
- A.
  
  6^6
- B.
  
  1^6
- C.
  
  6^5
- D.
  
  6^4
17.

Evaluate 4^5 ("Four to the fifth power").
- A.
  
  1024
- B.
  
  256
- C.
  
  64
- D.
  
  625
18.

Which number is a perfect square?
- A.
  
  36
- B.
  
  26
- C.
  
  32
- D.
  
  11

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