Chapter 4 Fractions, Decimals, And Percents - Lesson 4-2 Greatest Common Factor Worksheet Page 3
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1
2
3
4★
indicates multi-step problem
★
indicates multi-step problem
Exercise Levels
A: 9–24
B: 25–35
C: 36–39
Exercise Levels
A: 9–24
B: 25–35
C: 36–39
3 toothbrushes, 5 combs, and
2 bars of soap
3 toothbrushes, 5 combs, and
2 bars of soap
30. Sample answer:
18 and 81
31. Sample answer:
24 and 36
32. Sample answer:
15 and 45
33. Sample answer:
60 and 90
30. Sample answer:
18 and 81
31. Sample answer:
24 and 36
32. Sample answer:
15 and 45
33. Sample answer:
60 and 90
Examples 1, 2
Find the GCF of each set of numbers.
(pp. 186–187)
18, 30 6
45, 60 15
20, 50 10
1.
2.
3.
6, 8, 12 2
8, 20, 40 4
18, 42, 60 6
4.
5.
6.
JOBS
For Exercises 7 and 8, use the following information.
A store manager wants to display the inventory
Bike Helmets
of three styles of bicycle helmets in rows with
Style
Inventory
the same number of each style in each row.
Sport
36
Examples 3, 4
Find the greatest number of helmets that
7.
Road
72
(p. 187)
can be placed in each row. 9
Mountain
45
How many rows of each helmet are there? 4, 8, 5
8.
Find the GCF of each set of numbers.
HOMEWORK
12, 78 6
40, 50 10
20, 45 5
9.
10.
11.
For
See
Exercises
Examples
32, 48 16
24, 48 24
45, 75 15
12.
13.
14.
9–16
1
56, 96 8
40, 125 5
18, 24, 30 6
15.
16.
17.
17–20
2
36, 60, 84 12
35, 49, 84 7
36, 50, 130 2
18.
19.
20.
21–24
3, 4
BANDS
For Exercises 21 and 22, use the following information.
In a marching band, there are 64 woodwinds, 88 brass, and 16 percussion
players. When they march in a parade, there is the same number of students in
each row.
Find the greatest number of students in each row. 8 students
21.
How many rows of each group are there? 8, 11, 2
22.
COMMUNITY SERVICE
For Exercises 23 and 24, use the following information.
You want to make care packages for a local shelter. You have 18 toothbrushes,
30 combs, and 12 bars of soap. Each package has the same number of each item.
What is the greatest number of care packages you can make using all
23.
the items? 6 care packages
How many of each item are in each package?
24.
Find the GCF of each set of numbers.
25¢, $1.50, 75¢, $3.00 25¢
6 feet, 15 feet, 21 feet, 9 feet 3 ft
25.
26.
ALGEBRA
Find the greatest common divisor of each set of expressions.
24a, 6a 6a
30mn, 40mn 10mn
15xy, 55y 5y
27.
28.
29.
Find two numbers whose greatest common divisor is the given number.
9
12
15
30
30.
31.
32.
33.
188
Chapter 4 Fractions, Decimals, and Percents
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