Understanding Rates & Unit Rate (Activity 19 Springboard)
Authored by David McDuffie
Mathematics
6th - 8th Grade
CCSS covered
Used 3+ times
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19 questions
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1.
FILL IN THE BLANK QUESTION
1 min • 1 pt
A factory can produce mousetraps at a rate of 1,500 traps in 3 hours. What is the unit rate per hour?
Tags
CCSS.6.RP.A.1
CCSS.6.RP.A.2
2.
FILL IN THE BLANK QUESTION
1 min • 1 pt
A factory that produces toy wheels finds that they must discard 3 out of every 100 wheels because they are defective. How many wheels would they expect to discard every day if the factory produces 1,200 wheels per hour in each 8-hour day?
Tags
CCSS.6.RP.A.3B
3.
FILL IN THE BLANK QUESTION
1 min • 1 pt
A mousetrap car is filmed as it runs the racecourse. The film includes 1,200 photo frames taken in 8 seconds. How many frames were taken in one second? Justify your answer.
Tags
CCSS.6.RP.A.3B
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Last year, one science teacher spent $65.50 to buy materials for the Mousetrap Car event. If 12 students participated in the event, what was the teacher's unit cost per student?
A. $2.98
B. $6.55
C. $5.46
D. $7.86
Tags
CCSS.6.RP.A.1
CCSS.6.RP.A.2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mr. Walker, the contest sponsor, bought toy wheels in a package of 6 dozen for $81.00. What was the unit cost of each wheel?
A. $1.125
B. $1.50
C. $6.75
D. $13.50
Tags
CCSS.6.RP.A.1
CCSS.6.RP.A.2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mr. Walker wrote notes about the event that would help him plan for the following year. If he will still purchase 8 traps per person, how many traps will he need to purchase for 25 people in the Mousetrap Car race?
A. 4
B. 8
C. 200
D. 400
Tags
CCSS.3.OA.A.3
7.
FILL IN THE BLANK QUESTION
1 min • 1 pt
A meatball recipe has a ratio of 2 cups of breadcrumb mixture to 3 pounds of ground meat. How much breadcrumb mixture is there for 1 pound of ground meat?
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