2 - Vincent Pienaar

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Answer Key
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Name
CHAPTER
2
Date
Class
Chapter Test
Form A
Find each value.
Use a factor tree to find the prime
factorization.
1. 32
11. 28
2. 23
12. 80
Multiply.
3. 28 • 10
13. 200
3
Find the greatest common factor
(GCF).
4. 7.3 • 105
14. 30, 45
Write each number in scientific
notation.
15. 36, 54
5. 1,250
16. 14, 28, 70
6. 15,400
Find the least common multiple
(LCM).
7. Find the product of 23 • 103.
17. 8, 12
Evaluate.
8. 4 • 6 6
18. 2, 8
9. 32 43 8
19. 6, 12, 15
10. 5 • (9 6)
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41
Holt Middle School Math Course 2
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Answer Key
Name
CHAPTER
2
4
Click Here
Date
Class
Chapter Test
Form A, continued
31. Is 5 a solution of 52 10n 2?
Evaluate each algebraic expression
for the given variable values.
20. n 12 n for n 8
32. Is 12 a solution of 3n 3 39?
21. 3x 2 2x for x 6
Solve the equation.
33. m 32 56
22. 4m 3n 5 for m 12 and n 4
34. b 35 3
Write as an algebraic expression.
23. the product of a number and 4
35. 5 d 19
24. 5 less than a number
36. w • 24 24
25. 12 divided by a number
r
37. 3 24
Combine like terms.
38. a 6 18
26. y 4 3y
39. Ed is 12 years old. Write an
expression to determine his age in
y years.
2
27. 6a 3b 4a a
28. 9c 2 2c 2 5c
40. Jeremy is 58 inches tall. Write an
expression to show Jeremy’s height
in y years if he grows an average of
1.5 inches each year.
29. 7s 2 15 2s 2 12
30. Is 10 a solution of p 23 32?
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42
Holt Middle School Math Course 2
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Answer Key
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4
Click Here
Name
CHAPTER
2
Date
Class
Chapter Test
Form B
Find each value.
Use a factor tree to find the prime
factorization.
1. 25
11. 105
2. 152
12. 256
Multiply.
13. 600
5
3. 3.85 • 10
Find the greatest common factor
(GCF).
4. 8.304 • 106
14. 48, 112
Write the number in scientific
notation.
15. 36, 60, 96
5. 4,375,000
16. 27, 48, 60
6. 12,400,000
Find the least common multiple
(LCM).
7. Find the product of 2.3 • 103.
17. 3, 7
Evaluate.
8. 8 • (36 24)
18. 6, 8,12
9. (48 2) 23 • 3
19. 2, 8, 9
10. 3 • (12 23) 5
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43
Holt Middle School Math Course 2
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Answer Key
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Name
CHAPTER
2
4
Click Here
Date
Class
Chapter Test
Form B, continued
31. Is 8 a solution of 84 6n 36?
Evaluate each algebraic expression
for the given variable values.
20. 7n 34 n for n 9
32. Is 7 a solution of 5p 23 35?
21. 2y 3 y 2 y for y 3
Solve the equation.
22. 12a 3b 2 b for a 25 and b 4
33. 552 y 4
Write as an algebraic expression.
34. k 127 178
23. a number times the sum of 12 and 32
35. 15 z 32
24. 12 less than the quotient of a number
and 20
36. p • 18 162
25. the sum of 59 times a number and 3
a
37. 8 80
Combine like terms.
38. j 12 6
26. 8w 7 12w 2
39. Faxing letters from a store costs $3.25
plus $0.50 per page. Write an
expression to show how much it costs
to fax a letter with p pages from the
store.
27. 4d 2 12w d 2 18
28. 32 32a 16 32a
40. Sam bought a season pass to the
zoo for $75. If Sam donates $2.50
each time he visits the zoo, what
expression shows how much Sam
will contribute for the season?
29. 8m 3 5m 2 m 3 12 5m 3
n
30. Is 27 a solution of 50 9 47?
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44
Holt Middle School Math Course 2
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Answer Key
|| Print ||
4
Click Here
Name
CHAPTER
2
Date
Class
Chapter Test
Form C
Find each value.
Use a factor tree to find the prime
factorization.
1. 34 32
11. 378
2. 223 112
12. 2,000
Multiply.
13. 8,500
10
3. 3.4 • 10
Find the greatest common factor
(GCF).
4. 2.346 • 106
14. 48, 80, 96, 112
Write each number in scientific
notation.
15. 63, 84, 105,126
5. 14,300,000,000
16. 26, 52, 65, 104
6. 390,468,000
Find the least common multiple
(LCM).
7. Find the product of 2,003 • 105.
17. 6, 8, 9, 12
Evaluate.
8. (12 8) • (6 • 32)
18. 12, 15, 20, 30
9. 145 53 [5 • (44 39)]
19. 4, 6, 9, 18
10. (200 43) [8 (42 12)]
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45
Holt Middle School Math Course 2
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Answer Key
Name
CHAPTER
2
4
Click Here
Date
Class
Chapter Test
Form C, continued
30. Is 9 a solution of p 23 32 2p?
Evaluate each algebraic expression
for the given variable values.
20. 9w 32 3w 6 for w 12
n
31. Is 168 a solution of 6 6 22?
21. 3x 3 2x 2 3x for x 3
32. Is 3 a solution of 8x 3 x 2 10?
22. 7a 4b b 2 a for a 15 and
b4
Solve each equation.
33. m 32 24 400
Write as an algebraic expression.
34. 643 d 7
23. a number times the sum of 45 and 79
35. 18 h 64 16
36. a • 42 126
24. the sum of 8 times a number and 5
divided by the same number
n
26
37. 13
38. s 4 328
25. the product of 5 and a number
divided by 4
39. Harry earns $25 per week. He pays
$5.50 per week for lunches. Write an
expression to show how much Harry
has left after w weeks of work and
lunch.
Combine like terms.
26. 7a 14 b 6b 9
40. Tara scored 24 points in her first
basketball game and n points in
each of the next 4 games. Write an
expression for Tara’s average points
scored.
27. 9a 4a a 2 a 2
28. 23 12n 12 7n 5n
29. 10p 3 24 10p 2 p 3 17
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46
Holt Middle School Math Course 2
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Name
CHAPTER
2
Date
Class
Chapter Test
Form A
Find each value.
Use a factor tree to find the prime
factorization.
1. 32
11. 28
9
22 • 7
3
2. 2
12. 80
8
24 • 5
Multiply.
3. 28 • 10
13. 200
3
23 • 52
28,000
Find the greatest common factor
(GCF).
4. 7.3 • 105
730,000
14. 30, 45
15
Write each number in scientific
notation.
15. 36, 54
5. 1,250
18
1.25 103
16. 14, 28, 70
6. 15,400
14
4
1.54 10
Find the least common multiple
(LCM).
7. Find the product of 23 • 103.
23,000
17. 8, 12
24
Evaluate.
8. 4 • 6 6
18. 2, 8
8
18
9. 32 43 8
19. 6, 12, 15
60
40
10. 5 • (9 6)
15
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41
Holt Middle School Math
Course 2
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Name
CHAPTER
2
Date
Class
Chapter Test
Form A, continued
31. Is 5 a solution of 52 10n 2?
Evaluate each algebraic expression
for the given variable values.
yes
20. n 12 n for n 8
32. Is 12 a solution of 3n 3 39?
28
no
21. 3x 2 2x for x 6
Solve the equation.
96
33. m 32 56
22. 4m 3n 5 for m 12 and n 4
m 24
41
34. b 35 3
Write as an algebraic expression.
b 38
23. the product of a number and 4
35. 5 d 19
4n
d 14
24. 5 less than a number
36. w • 24 24
n5
w1
25. 12 divided by a number
r
37. 3 24
12
n
r 72
Combine like terms.
38. a 6 18
26. y 4 3y
a 108
4y 4
39. Ed is 12 years old. Write an
expression to determine his age in
y years.
2
27. 6a 3b 4a a
4a 2 7a 3b
12 y
28. 9c 2 2c 2 5c
40. Jeremy is 58 inches tall. Write an
expression to show Jeremy’s height
in y years if he grows an average of
1.5 inches each year.
2c 2 4c 2
29. 7s 2 15 2s 2 12
5s 2 3
58 1.5y
30. Is 10 a solution of p 23 32?
no
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42
Holt Middle School Math
Course 2
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Name
CHAPTER
2
Date
Class
Chapter Test
Form B
Find each value.
Use a factor tree to find the prime
factorization.
1. 25
11. 105
32
3•5•7
2. 152
12. 256
225
28
Multiply.
13. 600
5
3. 3.85 • 10
23 • 3 • 52
385,000
Find the greatest common factor
(GCF).
4. 8.304 • 106
8,304,000
14. 48, 112
16
Write the number in scientific
notation.
15. 36, 60, 96
5. 4,375,000
12
4.375 106
16. 27, 48, 60
6. 12,400,000
3
7
1.24 10
Find the least common multiple
(LCM).
7. Find the product of 2.3 • 103.
2,300
17. 3, 7
21
Evaluate.
8. 8 • (36 24)
18. 6, 8,12
24
96
9. (48 2) 23 • 3
19. 2, 8, 9
72
0
10. 3 • (12 23) 5
17
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43
Holt Middle School Math
Course 2
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Name
CHAPTER
2
Date
Class
Chapter Test
Form B, continued
31. Is 8 a solution of 84 6n 36?
Evaluate each algebraic expression
for the given variable values.
yes
20. 7n 34 n for n 9
32. Is 7 a solution of 5p 23 35?
38
no
21. 2y 3 y 2 y for y 3
Solve the equation.
48
33. 552 y 4
22. 12a 3b 2 b for a 25 and b 4
y 548
256
34. k 127 178
Write as an algebraic expression.
k 305
23. a number times the sum of 12 and 32
35. 15 z 32
n (12 32)
z 17
24. 12 less than the quotient of a number
and 20
36. p • 18 162
n
12
20
p9
a
37. 8 80
25. the sum of 59 times a number and 3
59n 3
a 640
38. j 12 6
Combine like terms.
26. 8w 7 12w 2
j 72
20w 5
39. Faxing letters from a store costs $3.25
plus $0.50 per page. Write an
expression to show how much it costs
to fax a letter with p pages from the
store.
27. 4d 2 12w d 2 18
3d 2 12w 18
28. 32 32a 16 32a
3.25 0.50p
16
40. Sam bought a season pass to the
zoo for $75. If Sam donates $2.50
each time he visits the zoo, what
expression shows how much Sam
will contribute for the season?
29. 8m 3 5m 2 m 3 12 5m 3
12m 3 5m 2 12
n
30. Is 27 a solution of 50 9 47?
yes
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75 2.5v
44
Holt Middle School Math
Course 2
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Name
Date
Class
Chapter Test
CHAPTER
2
Form C
Find each value.
Use a factor tree to find the prime
factorization.
1. 34 32
11. 378
90
3
2 • 33 • 7
2
2. 22 11
12. 2,000
10,527
24 • 53
Multiply.
13. 8,500
10
3. 3.4 • 10
22 • 53 • 17
34,000,000,000
Find the greatest common factor
(GCF).
4. 2.346 • 106
2,346,000
14. 48, 80, 96, 112
16
Write each number in scientific
notation.
15. 63, 84, 105,126
5. 14,300,000,000
21
1.43 1010
16. 26, 52, 65, 104
6. 390,468,000
13
8
3.90468 10
Find the least common multiple
(LCM).
7. Find the product of 2,003 • 105.
200,300,000
17. 6, 8, 9, 12
72
Evaluate.
8. (12 8) • (6 • 32)
18. 12, 15, 20, 30
60
216
9. 145 53 [5 • (44 39)]
19. 4, 6, 9, 18
36
140
10. (200 43) [8 (42 12)]
528
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45
Holt Middle School Math
Course 2
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Name
CHAPTER
2
Date
Class
Chapter Test
Form C, continued
30. Is 9 a solution of p 23 32 2p?
Evaluate each algebraic expression
for the given variable values.
no
20. 9w 32 3w 6 for w 12
n
31. Is 168 a solution of 6 6 22?
98
yes
21. 3x 3 2x 2 3x for x 3
32. Is 3 a solution of 8x 3 x 2 10?
72
no
22. 7a 4b b 2 a for a 15 and
b4
Solve each equation.
90
Write as an algebraic expression.
23. a number times the sum of 45 and 79
33. m 32 24 400
m 392
34. 643 d 7
d 650
35. 18 h 64 16
n (45 79)
36. a • 42 126
24. the sum of 8 times a number and 5
divided by the same number
n
26
37. 13
8n (5 n) or (8n 5) n
38. s 4 328
25. the product of 5 and a number
divided by 4
h 30
a3
n 338
s 1,312
39. Harry earns $25 per week. He pays
$5.50 per week for lunches. Write an
expression to show how much Harry
has left after w weeks of work and
lunch.
5n
4
Combine like terms.
w (25 5.50)
26. 7a 14 b 6b 9
40. Tara scored 24 points in her first
basketball game and n points in
each of the next 4 games. Write an
expression for Tara’s average points
scored.
7a 5b 5
27. 9a 4a a 2 a 2
2a 2 5a
4n 24
5
28. 23 12n 12 7n 5n
11
29. 10p 3 24 10p 2 p 3 17
9p 3 10p 2 7
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46
Holt Middle School Math
Course 2