3-4: Solve Percent Change and Percent Error Problems
Authored by Lora Niles
Mathematics
7th Grade
CCSS covered
Used 34+ times
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4 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
The average price of gasoline was $0.65 in 1978 and in 2010 it was $2.84. Which equation shows how to find the percent increase?
Tags
CCSS.6.RP.A.3C
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
In the 1960s a Big Mac was $0.45 and in the 2010s it was $4.19. Which equation shows how to find the percent increase?
Tags
CCSS.6.RP.A.3C
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
The life expectancy for U.S. males in 1901 was 47.6 years. In 1918, the life expectancy for U.S. males was 36.6 years. Which equation shows how to find the percent decrease?
Tags
CCSS.6.RP.A.3C
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Jessie estimates the weight of her cat to be 10 pounds. The actual weight is 12 pounds. Which equation calculates the percent error?
Tags
CCSS.6.RP.A.3C
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