Jeopardy 4

Ratios/Unit Rate

100

A bakery uses 9 cups of flour to make 6 loaves of bread.

• Question: What is the ratio of cups of flour to loaves of bread, and how many cups of flour are needed to make 10 loaves if the ratio stays the same?

15 cups of flour

200

A store sells 3 notebooks for $4.50.

• Question: What is the unit rate in dollars per notebook, and how much would 8 notebooks cost?

MUST GET BOTH PARTS

Unit Rate: $1.50 

8 Notebooks: $12

300

A runner travels 2.4 miles in 18 minutes.

• Question: What is the runner’s speed in miles per hour?

8 miles per hour

400

A smoothie recipe uses 3 cups of strawberries for every 2 cups of yogurt.

• Question: Create a table of equivalent ratios for strawberries to yogurt, then identify the pair that would result in 15 cups of strawberries.

Show Ms.K to check

500

On a graph, the ratio of x to y is 2:3.

• Question: If the point (4, 6) is on the line representing this ratio, what other point must also lie on the same line?

(2,3) 

(6,8)

(8,10)

Percents

100

A student answered 36 out of 45 questions correctly on a quiz.

• Question: What percent of the questions did the student answer correctly?

MUST BE IN PERCENT! 

80%

200

A sweater originally costs $48 and is on sale for 25% off.

• Question: What is the sale price of the sweater?

$36

300

A container holds 2.5 liters of water. How many milliliters is that?

• (1 liter = 1,000 milliliters)

2,500 milliliters

400

A car uses 15 gallons of gas to travel 390 miles.

• Question: What is the car’s fuel efficiency in miles per gallon?

26 miles per gallon

500

6. A cube has a volume of 64 cubic centimeters.

• Question: What is the cube’s side length? 

Cube Side Length: 4 cm 

Fractions & Division

100

11. A rope that is 5/6 of a yard long is cut into pieces that are each 1/12 of a yard.

• Question: How many pieces are there?

60/6 = 10 pieces

200

12. A baker has 3 1/2 pounds of sugar. Each cake requires 3/4 pound.

• Question: How many whole cakes can the baker make, and how much sugar will be left over?

28/6 = 4 1/3

300

13. A tank holds 2/3 of a gallon of water. Each small bottle holds 1/9 of a gallon.

• Question: How many bottles can be filled completely?

18/3 = 6 bottles completely 

Decimals/Whole Numbers

100

Divide: 4,368 ÷ 12

364

200

Multiply: 8.42 × 6.3

• Question: Round your answer to the nearest hundredth.

53.046 -> 53.05

300

A carpenter cuts a 24.6-foot board into 3 equal pieces.

• Question: How long is each piece?

8.2 feet

400

Subtract: 45.07 – 8.965

• Question: What is the result rounded to the nearest thousandth?

38.105 -> 38.11

500

A store sold 248 boxes of pencils in 4 days.

• Question: About how many boxes were sold per day, and what is the exact quotient?

62 boxes

Prime Factorization/GCF/LCM

100

Find the greatest common factor (GCF) of 48 and 60 using prime factorization.

12

200

Find the least common multiple (LCM) of 8 and 12.

24

300

Two classes are combining for a field trip. One has 24 students and the other has 36 students.

• Question: What is the greatest number of equal-sized groups they can form without splitting any students, and how many students will be in each group?

Greatest number of equal sized groups: 12 groups

Each group would have 5 kids (2 from one group; 3 from the other)

400

Use the distributive property to simplify:

• 12 + 18 = ? × (2 + 3)
  (Hint: Factor out the GCF of 12 and 18 first.)

6

500

The prime factorization of a number is 2³ × 3² × 5.

• Question: What is the number?

2 X 2 X 2 X 3 X 3 X 5

360