Name _______________________________________ Date __________________ Class _________________
LESSON
2-2
Practice B
Translating Between Words and Math
1. Terry’s essay has 9 more pages than Stacey’s essay. If s
represents the number of pages in Stacey’s essay, write an
expression for the number of pages in Terry’s essay.
________________________________________________________________________________________
2. Let z represent the number of students in a class. Write an
expression for the number of students in 3 equal groups.
________________________________________________________________________________________
Write each phrase as a numerical or algebraic expression.
3. 24 multiplied by 3
________________________
4. n multiplied by 14
5. w added to 64
________________________
________________________
6. the difference of 58 and 6 7. m subtracted from 100
8. the sum of 180 and 25
________________________
9. the product of 35 and x
________________________
________________________
10. the quotient of 63 and 9
________________________
________________________
11. 28 divided by p
________________________
Write two phrases for each expression.
12. n + 91 ____________________________________________________________
13. 35 ÷ r_____________________________________________________________
14. 20 − s ____________________________________________________________
15. Charles is 3 years older than Paul.
If y represents Paul’s age, what
expression represents Charles’s age?
16. Maya bought some pizzas for $12
each. If p represents the number of
pizzas she bought, what expression
shows the total amount she spent?
________________________________________
________________________________________
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14
Holt McDougal Mathematics
9. 95
10. 63
11. 16
12. 45
13. 25
14. 32n
2. 9h; $108
3. 11h; 44 miles
4. 3x − 2; 13
5. C
15. x + 18
Reading Strategies
Review for Mastery
1. 11
3. 6
1. Possible answers: population of a state;
your height, age, and weight from year
to year; number of people in your
school; number of fish in an aquarium.
2. Possible answers: number of wheels on
a car; number of days in a week;
number of ears and eyes people have;
number of years in a decade.
3. Possible answers: 10 + 4 or 7 + 7
4. Possible answers: 20 + 5 or 10 + 15
5. yes
6. yes
7. no
8. yes
2. 15
4. 8
5.
x
3
5
7
x+7
10
12
14
6.
y
9
10
14
y−2
7
8
12
Puzzles, Twisters & Teasers
Challenge
1.
6
n÷7
2.
2x + 5
3.
c ÷ 12
4.
5p - 9
5.
7m + 2m
6. J
n = 42
8
n = 56
11
21
x=3
x=8
4
5
n = 28
n = 35
25
x = 10
15
2
5
8
c = 48
c = 24
c = 60
c = 96
11
46
p=8
p=4
p = 11
45
18
81
m=5
m=2
m=9
2. 250 – 135 • 2
4. 27
5. 10
6. 6x = 72
L A U N C H
x=5
4
31
1. 25x
3. x
LESSON 2-2
Practice A
1.
3.
5.
7.
9.
11.
12.
16
p=5
27
m=3
B
2. H
A
4. J
C
6. F
B
8. A
D
10. E
the number of beads she lost
the number of hamsters in each cage
Practice B
Possible answers are given on each
caboose. Accept all answers that correctly
match the chosen variable and the train’s
expression.
3. 24 • 3
z
3
4. n • 14
5. 64 + w
6. 58 − 6
7. 100 − m
8. 180 + 25
1. s + 9
Problem Solving
1. 2c; 10 cups of water
2.
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74
Holt McDougal Mathematics
9. 35x
10. 63 ÷ 9
Problem Solving
11. 28 ÷ p
1. 10 − c
2. 40 • 15; 15h
Possible answers are given.
12. n plus 91; 91 more than n
13. 35 divided by r; the quotient of 35
and r
14. 20 minus s; s less than 20
3. t − 5 + 3 or t − 2
4. 48 ÷ n
5. A
7. C
6. H
8. G
15. y + 3
Reading Strategies
1. Possible answer: 8 less than t
2. Possible answer: n divided by 6
3. Possible answer: the product of 5 and
w
4. Possible answer: 12 more than z
5. 12x or 12 • x or (12)(x)
p
6. m − 5
7.
or p ÷ 3
3
8. r + 25
16. 12p
Practice C
1. 69 + 140 + 300
2. (x ÷ 12) − 95
3. 500 − 144
4. 14n + 22
5. 4 + (98 − p)
6. 2m + 85
Possible answers are given.
7. 150 divided by n; the quotient of 150
and n
8. 79 take away w; the difference of 79
and w
9. 12 plus the product of 29 and q; the
product of 29 and q added to 12
10. the difference of 87 and p, plus 11; 11
added to 87 minus p
11. 6 less than the quotient of 28 and x;
28 divided by x, minus 6
12. the sum of 4 and z, minus the product
of 18 and z; 4 plus z, minus 18 times
z
13. 20 − 3j
Puzzles, Twisters & Teasers
14. 5 + 18y
Review for Mastery
1. 8 − 4
2. q ÷ 3
ONE HUNDRED ONE!
3. f − 6
4. d • 9
LESSON 2-3
Possible answers are given.
5. z divided by 4
6. 5 times 6
7. 6 less than m
8. s plus 3
Practice A
Challenge
All students should end with the state
Delaware. Most students will choose an
elephant, but accept any animal that
begins with the letter E.
1. D
2. J
3. 2m
4. m ÷ 5
5. n + 2
6. 8
Practice B
1. 2b
2. r – 7
3. m ÷ 60
4. 7b
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75
Holt McDougal Mathematics