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Factors and Multiples
FINAL JEOPARDY
100
Do these ratios form a proportion? Why or why not? 4/12 and 3/9
Yes because they both simplify to 1/3.
100
Write two ratios equal to 2:3
Answers vary but may include 4:6, 6:9, and 8:12.
100
A package of 5 cookies cost $2.25. A package of 8 cookies cost $3.50. Which is the better buy?
0.45 per cookie compared to 0.44 per cookie. The package of 8 cookies is the better buy.
100
What is the GCF of 20 and 30?
10
100
Michelle has 40 boxes of nerds and 24 tootsie roll pops. She wants to put them into bags so that there isn't any candy left unused. What is the largest number of groups she can make with equal numbers of both types of candy? How many of each type of candy will be in each bag?
There will be 8 bags of candy. Each bag will contain 5 boxes of nerds and 3 tootsie roll pops.
200
Find the missing number in the proportion. 10/3 = ?/12
40
200
Find the unit rate for 45 miles in 5 hours.
9 mph
200
A 16 ounce container of shampoo costs $3.79. A 12 ounce container of shampoo costs $3.15. Which one is the better buy? Show your work.
$0.24 per ounce compared to $0.26 per ounce. The 16 ounce container of shampoo is the better buy.
200
What is the LCM of 6 and 8?
24
200
At a beach party, two watermelons were needed for every 10 people. How many melons were needed for 75 people? Set up a proportion and solve.
15 melons
300
At the middle school dance, the ratio of girls attending to boys attending was 5 to 4. There were 250 girls attending the dance. How many boys were there? Set up a proportion and solve.
200 boys
300
A classroom has 92 desks in four classrooms. What is the unit rate for this situation?
23 desks per 1 classroom
300
3 pounds of red delicious apples cost $3.59. 5 pounds of empire apples cost $5.79. Which is the better buy? Show your work.
The red delicious apples cost $1.20 per pound. The empire apples cost $1.16 per pound. The empire apples are the better buy.
300
Alexandra goes grocery shopping every four days, and Maverick goes grocery shopping every six days. If they both go grocery shopping today, in how many days will they both go grocery shopping on the same day again?
12 days
400
A baseball pitcher threw mostly fastballs and curveballs. He liked to throw 5 fastballs for every 3 curveballs. If he threw 24 curveballs in a game, how many fastballs would you expect him to throw? Set up a proportion and solve.
about 40 fastballs
400
3 pounds of bananas cost $1.80. How much would 8 pounds of bananas cost?
$4.80