7th Grade Math Review Jeopardy!

Percents

100

What is 20% of 315?

What is 63?

200

85 is what percent of 250?

What is 30%?

300

A pair of new Jordan’s cost $108 are on sale 13% off. What is the final sales price?

What is $93.96?

400

Regina wants to buy a new shirt at the mall. There is a 7% sales tax added on to the shirt when she checks out at the register. If the tag on the shirt reads $15.00, what will Regina pay for the shirt after tax?

What is $16.05?

500

Roger recently had to take out a loan to purchase a car. He took out a loan of $8,000 at an interest rate of 2% charged monthly. If Roger takes 8 months to pay back his loan, how much TOTAL will he have paid?

What is $9280?

Area, Surface Area, and Volume

100

A square has one side measuring 5 feet. What is its area?

25 square feet

200

A triangle has a base of 6 inches and a height of 9 inches. What is its area?

27 square inches

300

A triangle has an area of 96cm²  with a given side lengths of 24 cm.  Find the missing side length.

What is 8 cm?

400

What is the SURFACE AREA (all sides) of a cube with faces equal to 3cm by 3cm?

54 square cm

500

What is the area of a circle whose diameter is 12cm?

113.04 cm squared

Angles & Triangles

100

A triangle has angles measuring 30 degrees and 40 degrees. What is the measure of the third angle?

110 degrees

200

One length of a triangle is 3.5 inches.  Another length is 2.5 inches.  Find a possible length for the missing side.

Greater than 1 and Less than 6

300

I have 1 right angle, 2 other equal angles always of 45°, and 2 equal sides

Isosceles triangle

400

A 180 degree angle is called a ________ angle.

Straight

500

Angles that adding up to a total of 90°

Complementary Angles

Order of Operations -NO CALCULATOR

100

(30/5) + 2 * 3² =

24

200

(5 * 3)6 + 8/2 - 6 +3 =

91

300

4 + 2(8² -4) - 20/2 =

114

400

5(2) + 10 - 3(5²) =

-55

500

5*4 (10*2) + 6 =

406

Proportional Relationships

100

A copy machine produces 40 copies in 5 minutes.  How long would ittake to make 100 copies.

What is 12.5 minutes?

200

Six kids can get into Zoombezi Bay for $54.  Write the constant of proportionality equation if y represents the total cost and x represents the number of kids.

What is y=9x?

300

Solve for x to make these proportional: 5/6 = x/36

x = 30

400

Olde Mae traveld 4 feet every 10 minutes.  What is her speed in miles per hour?

What is 24 feet per hour?

500

Last week Bill earned $210 for a 30-hour week. What was his pay rate? What would he have earned for a 40-hour week?

Pay rate = $7/hour In a 40-hour week Bill would have earned $280.