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Five-Minute Check (over Chapter 6)
Main Idea and Vocabulary
Key Concept: Percent
Example 1:Write a Percent as a Fraction
Example 2:Write a Percent as a Fraction
Example 3:Write a Percent as a Fraction
Example 4:Write a Fraction as a Percent
Example 5:Write a Fraction as a Percent
• percent
• Express percents as fractions and fractions as percents.
Write a Percent as a Fraction
Write 60% as a fraction in simplest form.
60% means 60 out of 100.
Definition of percent
Simplify. Divide the numerator and the denominator by the GCF, 20.
Answer:
1. A
2. B
3. C
4. D0% 0%0%0%
Write 30% as a fraction in simplest form.
A.
B.
C.
D.
Write a Percent as a Fraction
Write 140% as a mixed number in simplest form.
140% means 140 for every 100.
Write a Percent as a Fraction
Definition of percent
Divide the numerator and denominator by the GCF, 20.
Write as a mixed number.
Answer:
1. A
2. B
3. C
4. D0% 0%0%0%
Write 180% as a mixed number in simplest form.
A.
B.
C.
D.
LUNCH Use the table below. What fraction of the class members preferred spaghetti for the school lunch?
Write a Percent as a Fraction
The table shows that 25% of the class members preferred spaghetti.
Write a Percent as a Fraction
Definition of percent
Simplify.
Answer:
1. A
2. B
3. C
4. D
0% 0%0%0%
ICE CREAM Use the table to the right. What fraction of the students chose chocolate as their favorite flavor?
A. B.
C. D.
Write a Fraction as a Percent
Write a proportion.
Since 10 × 10 = 100, multiply 7 by 10 to find n.
Answer: .
n
×10
×10
70
1. A
2. B
3. C
4. D0% 0%0%0%
A. 0.4%
B. 4%
C. 40%
D. 400%
Write a percent to represent the shaded portion of the model.
Write a Fraction as a Percent
Write a proportion.n
Write a Fraction as a Percent
Since 4 × 25 = 100, multiply 7 by 25 to find n.
Answer:
×25
×25
175
1. A
2. B
3. C
4. D
0% 0%0%0%
A. 120%
B. 125%
C. 140%
D. 150%
Which percent represents the shaded portion of the model?
End of the Lesson
Five-Minute Check (over Chapter 6)
Image Bank
Math Tools
Animation Menu
Probability and Area
7-2 Circle Graphs
7-8 Estimating With Percents
1. A
2. B
3. C
4. D0% 0%0%0%
Write the rate 270 Calories in 3 servings as a unit rate.
(over Chapter 6)
A.
B.
C.
D.
1. A
2. B
3. C
4. D0% 0%0%0%
Write the rate $16 earned in 4 hours as a unit rate.
(over Chapter 6)
A.
B.
C.
D.
1. A
2. B
3. C
4. D0% 0%0%0%
A. 10
B. 12
C. 15
D. 20
(over Chapter 6)
Solve the proportion .
1. A
2. B
3. C
4. D0% 0%0%0%
A. 6
B. 9
C. 14
D. 18
(over Chapter 6)
Solve the proportion .
1. A
2. B
3. C
4. D0% 0%0%0%
A. 154
B. 160
C. 172
D. 192
ACTIVITIES If 16 out of 25 students participate in an after school activity, predict how many of the 300 students in the school participate in an after school activity.
(over Chapter 6)
1. A
2. B
3. C
4. D
0% 0%0%0%
A. 3x – 2
B. 2x – 3
C. x + 3
D. x + 4
What is the rule to find the value of the missing term in the sequence at the right?
(over Chapter 6)