Use scale factors and unit rates in proportional relationships to solve ratio and percent problems.
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Q 1/3
Score 0
Alan needs to purchase a bed sheet for his bedroom. Alan measured the
bed as 7 ft. The actual measurement was 6.5 ft. What is Alan’s percent
error?
30
5%
7.69%
0.5%
7.14%
Q 2/3
Score 0
A sweater is marked down 35% off the original price. The original price was $40.
What is the sale price of the sweater before sales tax?
30
$5
$35
$26
$14
Give this quiz to my class
3 questions
Q.
Alan needs to purchase a bed sheet for his bedroom. Alan measured the
bed as 7 ft. The actual measurement was 6.5 ft. What is Alan’s percent
error?
1
30 sec
NC.7.RP.3
Q.
A sweater is marked down 35% off the original price. The original price was $40.
What is the sale price of the sweater before sales tax?
2
30 sec
NC.7.RP.3
Q.
At a certain bakery shop, 30 cakes were sold in July. The manager at the
store wants to encourage the sales team to sell more cakes by giving all the
sales team members a bonus if the number of cakes sold increases by 20%
in August. How many cakes must the sales team sell in August to receive the bonus?
Justify the solution.
