Spring Break Jeopardy

Fractions

100

Write your answer as an improper fraction: 

2/3+7/9

What is 

13/9

200

5/7*7/8

What is 

5/8

300

3/4 ÷ 3

What is 

1/4

400

1frac{2}{5}-3/4

What is 

13/20

500

What is the answer as an improper fraction: 

5/6-1/2*4

What is 

-7/6

Proportions

100

Joan is 5 ft tall and casts a shadow of 2.3 ft. Her dad casts a shadow of 2.7 ft. How tall is he?

What is 5.9 ft tall

200

If you are running at a rate of 7 miles per hour, how far will you run in 2.5 hours?

What is 17.5 miles

300

A 30 ft tall tree casts a shadow of 8 ft. A building casts a shadow of 45 ft. How tall is the building?

What is 168.75 ft

400

A power plant uses 800 gallons of fuel per year if it runs at full speed. If the plant ran at half speed, how much fuel would it use in 6 months?

What is 200 gallons

500

You watch 28 hours of TV per week. On average, how much TV do you watch per day?

What is 4 hours

Unit Rates

100

3 cans costs $0.84. How much is 1 can?

What is $0.28

200

If 8 cans cost $4.50, how much will 11 cans cost?

What is $6.19.

300

If a 25 lb roast costs $85, how much is the roast per lb?

What is $3.40/lb.

400

It costs $4.80 for 4 cases of pencils.  What is the cost per case?

What is $1.20/case.

500

A heart beats 256 beats in 4 minutes.  How many beats per minute? 

What is 64 beats per minute.

Equations

100

5(2x+4)=70

What is 

x=5

200

3x-8=-23

What is 

x=-5

300

-4x=12

What is 

x=-3

400

u/2-1=1

What is 

u=4

500

7x-12+3x=-2

What is 

x=1

Angles

100

A triangle has one angle that measures 30° and another angle that measures 45°.  What is the measure of the third angle?

105°

200

What is the name of an angle that is greater than 0° but less than 90°?

Acute

300

Complementary angles add up to what?

90°

400

If angle 2 is vertical to an angle that is 67°, what is the measure of angle 2?

67°

500

A 180° angle is called what?

Straight angle