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- 1. Multiple Choice
A factory can produce mousetraps at a rate of 1500 traps in 3 hours. What is the unit rate per hour?
500 traps per hour
250 traps per hour
24 traps per hour
5000 traps per hour
- 2. Multiple Choice
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 1200 wheels per hour in each 8-hour day?
300
288
536
250
- 3. Multiple Choice
A mousetrap car is filmed as it runs the racecourse. The film includes 1200 photo frames taken in 8 seconds. How many frames were taken in one second?
500 frames
25 frames
150 frames
250 frames
- 4. Multiple Choice
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?
$2.98
$6.55
$5.46
$7.86
- 5. Multiple Choice
PVC pipe used to make the toy rockets is sold by the foot. If 8 feet cost $16.89, what is the cost for 30 feet of pipe sold at the same unit rate?
$2.11
$4.50
$63.34
$506.56
- 6. Multiple Choice
An online seller is offering 30 photo images of mousetraps for $24. What is the unit cost of each image?
$0.72
$0.80
$1,20
$1.25
- 7. Multiple Choice
Which is a better deal, getting paid $62 per day or $304 per week? ( 5 day work week)
$62 per day
$304 per week
- 8. Multiple Choice
If Wendy earns $62 a day for a five day work week. How much money will she earn in 4 weeks?
$1240
$2000
$300
$4532
- 9. Poll
How do feel about rates and unit rates?
Great- give me more
Ok- I still need a little practice
Fine- I’m ready to learn something new
I’m clueless
- 10. Multiple Choice
To get the right color to paint the house, Wendy must mix 1 gallon of green paint with 3 gallons of white paint. How many gallons of green paint would be needed if Wendy had 10 gallons of white paint?
3 and 1/3
2 and 1/2
2
5
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