Name _______________________________________ Date __________________ Class __________________
UNIT
1
Real Numbers
REVIEW
1. Which fraction equals a repeating
decimal?
A
3
10
B
1
3
7. Which of the following are true?
I.
C
6
12
II.
D
3
4
III.
14  
17 
5
40
17  8  20
A only I and II
2. A small square garden has an area of
25 square yards. How long is each side
of the garden?
B only II and III
C none of them
A 2 yards
D all of them
B 2.5 yards
8. Which number is between  and 14 ?
C 5 yards
D 5.2 yards
A 1.5
C 3.5
B 2.5
D 4.5
15 to one
3. Which is an estimate of
decimal place?
A 1.5
C 3.9
B 3.9
D 4.1
9. Place
7
8
, –2.25,
24
,
8
1
− 4 and 0.625 on
the following number line.
4. Which of these rational numbers is not
equal to an integer?
A 
B
81
9
9
81
C
9
D
81
5. Which statement is true?
10. Write the following numbers where
they should be placed as a group in
the following tree diagram?
A No whole numbers are integers.
B No integers are whole numbers.
C No rational numbers are real.
–7, 8, –4
D No integers are irrational.
Rational Numbers
6. Which is the best name for numbers that
describe distances on a map?
A whole numbers
Integers
B positive integers
C negative integers
D rational numbers
Whole Numbers
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79
Name _______________________________________ Date __________________ Class __________________
UNIT
1
Expressions and the Number System
11. Write 12
1
as a decimal.
4
6
as a whole number, integer,
3
rational number, irrational number, or real
number. Write all the names that apply.
17. Classify
_______________________________________
12. Express the fraction
7
in decimal form.
9
________________________________________
_______________________________________
2
4
and .
5
9
How are they alike and different?
13. Compare the decimal forms of
18.Find an integer between  9 and
3
.
2
________________________________________
_______________________________________
19.Between which two integers would plot
30  6.2 on a number line?
14. Find the two square roots of 400.
_______________________________________
________________________________________
15.Estimate 150 to the nearest tenth.
20. Write the numbers in order from least to
greatest.
_______________________________________
4,
16.Choose two of the following terms for A
and B to make this diagram true: whole
numbers, integers, rational numbers,
irrational numbers, real numbers.
150, 12
3
8
________________________________________
21. Put the following in ascending order:
0.3,
1
− ,
4
0.01,
1
,
5
−
1
8
_________________________________
Diagram A: _________________
Diagram B: _________________
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80
Name _______________________________________ Date __________________ Class __________________
Answer Key
Unit Tests and Performance Tasks
3
21. 150, 12 , 4
8
22. 1,400,000,000
UNIT 1 Expressions and the
Number System
23. 0.0000084 m
Unit 1 Test: A
24. 4.0  102
1. B
2. C
3. C
4. B
5. D
6. D
7. A
8. C
9. B
10. C
11. A
12. 12.25
13. 0.7
14. Sample answer: They both have 4 in the
4
tenths place. But the decimal form for is
9
a repeating decimal with every place to
2
the right being a 4. The fraction
has
5
only one decimal place.
15. 20, 20
16. 12.2
17. irrational number, real number
18. Answers will vary. Sample answer:
A  irrational numbers, B  real numbers
19. Answers will vary. Sample answers:
2, 1, 0, 1
20. at about 11
2
3
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192
Name _______________________________________ Date __________________ Class __________________
Unit 1 Test: B
1. A
2. A
3. D
4. B
5. C
6. A
7. B
8. B
9. C
10. C
11. B
12. 4.375
13. 0.416
14. Both have 25 in the first two decimal
1
places, but
is a terminating decimal,
4
25
while
is a repeating decimal.
99
1
1
, 
4
4
16. 6.32
17. rational number, real number
18. Answers will vary. Sample answer:
A  whole numbers, B  integers, C  real
numbers
19. Answers will vary. Sample answers: 7, 8,
9, 10
20. between 3.4 and 3.5, but closer to 3.4
15.
32
, 6.3, 40, 2
5
22. 19
23. 0.0000000053
21.
24. 2.86  102
Unit 1 Test: C
1. B
2. D
3. C
4. A
5. B
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192