Unit 1 Preassessment: Rational Number Uses
18 Questions
| Attempts: 188
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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