7th Grade Math Review Jeopardy!

Simplifying Expressions

100

3 (3x + 4) - x

8x + 12

200

4xy + 3x - 2(xy +3)

2xy +3x - 6

300

(2x + 4)8

16x + 32

400

-( 3a + 42)

-3a - 42

500

8/64 (d + 3) + 32d

32 1/8 d + 3/8

Area of Shapes

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

What is the volume of a cylinder whose height is 8 cm and whose diameter is 12 cm?

904.32  cm cubed

400

What is the surface area 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

100

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

110 degrees

200

Two angles that up to 180 degrees are called

Supplementary

300

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

Isosceles triangle

400

Describe the relationship between vertical angles

They have the same measure

500

Angles that adding up to a total of 90°

Complementary Angles

Order of Operations

100

(30/5) + 2 * 3^2 =

24

200

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

91

300

4 + 2(8^2 -4) - 20/2 =

114

400

5*2 + 10 -3 * 5^2 =

-55

500

5*4 (10*2) + 6 =

406

Ratios

100

If there are 6 boys and 3 girls, what is the ratio of girls to boys in lowest form?

1:2

200

Simplify: 16:4

4:1

300

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

x = 30

400

Simplify: 144:60

12:5

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.