Download Real Numbers

Name ________________________________________ Date __________________ Class __________________
MODULE
14
Real Numbers
Module Quiz: B
1. What is the decimal equivalent to the
80
?
fraction
32
8. Which of these could possibly describe
the change received from a cash
purchase? Select Yes or No.
________________________________________
2. Which fraction equals a repeating
decimal? Select Yes or No.
A
18
81
Yes
No
B
11
88
Yes
No
A Whole Number
Yes
No
B Negative Integer
Yes
No
C Rational Number
Yes
No
D Irrational Number
Yes
No
9. Which term for set A makes this diagram
true? Choose True or False for each
term.
3. Which number is a perfect square?
Select Yes or No.
A 249
Yes
No
B 256
Yes
No
4. If
n = 3 , what is − n ?
2
________________________________________
5. A square playing field has an area of
1,255 square yards. About how long is
each side of the field?
True
False
B Irrational Numbers
True
False
C Integers
True
False
D Repeating Decimals
True
False
10. Which statement is false?
A Some integers are irrational.
B Some integers are whole numbers.
________________________________________
6. What is an estimate of
nearest tenth?
A Whole Numbers
C Some rational numbers are integers.
35, to the
D Some real numbers are irrational.
17
and
4
20 ?
Yes
No
B π + 1.2
Yes
No
C 2+
Yes
No
Yes
No
11. Which number is between
________________________________________
Select Yes or No.
7. What is an integer value of n that will
17
an
make the rational number −
n
integer?
A
________________________________________
D
34 − 1.5
5π
3
8
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67
Name ________________________________________ Date __________________ Class __________________
MODULE
14
Real Numbers
Module Quiz: B
11
equal to a terminating decimal or
128
a repeating decimal? Explain how you
know.
20. Write the principal square root of the
integers between 320 and 325. Which of
these is a rational number?
12. Is
________________________________________
________________________________________
13. Write 2
For 21–23, use the table.
1
as a decimal.
16
Geometric Formulas
________________________________________
14. Express the fraction
11
in decimal form.
30
________________________________________
15. How many digits are there in the
repeating block for the decimal equivalent
3
of ?
7
________________________________________
area of a circle
A = πr 2
area of a triangle
A =
perimeter of a square
P = 4s
volume of a sphere
V =
surface area of a sphere
SA = 4π r 2
1
bh
2
4 3
πr
3
21. Which formulas contain a rational number
that is not an integer?
9
16. Find the two square roots of .
4
________________________________________
________________________________________
22. Which formulas contain both a rational
number and an irrational number?
17. A number line is numbered in tenths.
Describe where you would plot 87.35 .
________________________________________
________________________________________
18. Estimate
23. What kinds of numbers would not be
sensible for the values of the variables?
250 to two decimal places.
________________________________________
________________________________________
24. 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.
19. Classify
4π
.
3
________________________________________
25. Arrange the numbers in order from
greatest to least.
________________________________________
150 , 11
4
, 4π
9
________________________________________
Original content Copyright © by Houghton Mifflin Harcourt. Additions and changes to the original content are the responsibility of the instructor.
68
Module Quiz 14: D
14. 12
1. B
15. $96
16.
1
or 0.1
10
2. B
17.
4
7
4. C
3. C
5. B
18. 100
6. A
7. A
MODULE 14 Real Numbers
8. A
9. B
Module Quiz 14: B
1. 2.5
10. B
2. A Yes B No
11. A
3. A No B Yes
12. C
4. −
13. repeating
3
2
14. 12.31
5. 35 yards
15. 0.583
6. 5.9
16. 1515
7. 1, −1, 17, or −17
17. 12, −12
8. A Yes B No C Yes D No
18. between 6 and 7
9. A True B False C True D True
19. 9
10. A
20. irrational number
11. A Yes B Yes C No D No
21. 10,
12. terminating; the denominator is a power
of 2
16 = 4, so it is not irrational.
22. area of circle, volume of sphere, surface
area of sphere
13. 2.0625
14. 0.36
23. area of triangle, perimeter of square,
volume of sphere, surface area of sphere
15. 6
16.
12, 14, 16, 18, 20;
3
3
,−
2
2
24. Distances and lengths are always
nonnegative numbers.
17. between 9.3 and 9.4
25. 10 or 11
18. 15.81
26. 3π
19. rational number, real number
20.
325;
MODULE 15 Exponents and
Scientific Notation
322, 323, 324 = 18,
320, 321,
324 is a rational number
Module Quiz 15: B
21. area of triangle, volume of sphere
22. volume of sphere, surface area of sphere
1. 26,000
23. negative numbers
2. 1.70321 × 106
24. 5
3. −216
25. 4π,
150, 11
4. 7
4
9
5. 1 ≤ x < 10
6. 93,020,000,000 mi
Original content Copyright © by Houghton Mifflin Harcourt. Additions and changes to the original content are the responsibility of the instructor.
239