Name ________________________________________ Date __________________ Class __________________
Real Numbers
MODULE
1
Module Quiz: B
1. Which expression shows a decimal
13
equivalent to the fraction
?
32
8. Which of these is most likely to describe
the change received from a cash
purchase?
A 0.41
C 0.40625
A whole number
B 0.406
D 0.4625
B negative integer
2. Which fraction equals a repeating
decimal?
C rational number
A
5
80
C
17
85
B
11
88
D
18
81
D irrational number
9. Which term for set A makes this diagram
true?
3. Which number is a perfect square?
A 249
C 265
B 256
D 281
4. If
3 , what is n ?
2
n
A 3
2
2
B 3
A Whole Numbers
C
1
2
D
2
3
B Rational Numbers
C Integers
D none of these
10. Which statement is false?
5. A square playing field has an area of
1,255 square yards. About how long is
each side of the field?
A Some integers are irrational.
B Some integers are whole numbers.
A 12.55 yards
C 35 yards
C Some rational numbers are integers.
B 2.55 yards
D 55 yards
D Some real numbers are irrational.
6. Which is the best estimate of
35 ?
A 3.5
C 5.95
B 5.8
D 6.0
11. Which number is between
A
B S 1.2
7. Which value of n will make the rational
17
an integer?
number n
A 18
C 170
B 102
D none of these
28 1.5
17
and
4
C 2
D
20 ?
8
5S
3
12. Which is the greatest number?
A 50 16S
C 20 B 16 D
410
1
2
7
7S
3
3
Original content Copyright © by Houghton Mifflin Harcourt. Additions and changes to the original content are the responsibility of the instructor.
15
Name ________________________________________ Date __________________ Class __________________
MODULE
1
Real Numbers
11
equal to a terminating decimal or
128
a repeating decimal? Explain how you
know.
21. Write the principal square root of the
integers between 320 and 325, inclusive.
Which of these is a rational number?
13. Is
________________________________________
________________________________________
14. Write 2
For 22–24, use the table.
1
as a decimal.
16
Geometric Formulas
________________________________________
15. Express the fraction
11
in decimal form.
30
________________________________________
16. How many digits are there in the
repeating block for the decimal equivalent
3
of ?
7
area of a circle
A
Sr 2
area of a triangle
A
1
bh
2
perimeter of a square
P
volume of a sphere
V
surface area of a sphere
SA
4s
4 3
Sr
3
4S r 2
________________________________________
22. Which formulas contain a rational number
that is not an integer?
9
17. Find the two square roots of .
4
________________________________________
________________________________________
23. Which formulas contain both a rational
number and an irrational number?
18. A number line is numbered in tenths.
Describe where you would plot 87.35 .
________________________________________
________________________________________
19. Estimate
24. What kinds of numbers would not be
sensible for the values of the variables?
250 to the nearest 0.5.
________________________________________
________________________________________
25. Find an integer between 30 and
64
as a whole number,
5
integer, rational number, irrational
number, or real number. Write all the
names that apply.
20. Classify
4S
.
3
________________________________________
26. Arrange the numbers in order from
greatest to least.
________________________________________
150 , 11
4
, 4S
9
________________________________________
Original content Copyright © by Houghton Mifflin Harcourt. Additions and changes to the original content are the responsibility of the instructor.
16
Answer Key
Module Quizzes
MODULE 1 Real Numbers
4. C
Module Quiz 1: B
5. B
6. A
1. C
7. A
2. D
8. A
3. B
9. B
4. A
10. B
5. C
11. A
6. D
12. C
7. D
13. repeating
8. C
14. 12.31
9. D
10. A
15. 0.583
11. B
16. 1515
12. A
17. 12, 12
13. Terminating; the denominator is a power
of 2.
18. between 6 and 7
14. 2.0625
20. irrational number
15. 0.36
21. 10,
19. 9
16. 6
16
12, 14, 16, 18,
20;
4, so it is not irrational.
3
3
17. , 2
2
22. area of circle, volume of sphere, surface
area of sphere
18. between 9.3 and 9.4
23. area of triangle, perimeter of square,
volume of sphere, surface area of sphere
19. 16.0
24. Distances and lengths are always
nonnegative numbers.
20. rational number, real number
21.
320, 321,
325;
322, 323, 324
18,
25. 10 or 11
324 is a rational number.
26. 3S
22. area of triangle, volume of sphere
23. volume of sphere, surface area of sphere
MODULE 2 Exponents and
Scientific Notation
24. negative numbers
25. 5
26. 4S,
150, 11
Module Quiz 2: B
4
9
1. C
2. C
Module Quiz 1: D
3. C
1. B
4. C
2. B
5. D
3. C
6. C
Original content Copyright © by Houghton Mifflin Harcourt. Additions and changes to the original content are the responsibility of the instructor.
166