7th Grade Math Review Jeopardy!

Scale Factors & Similar Figures

100

Square A has sides of 5cm. A scale factor of 2 is applied to this square. What are the side measurements of the new square?

10cm

200

A triangle has a side of 5cm. The same side on a similar triangle has a measurement of 20cm. What was the scale factor that resulted in this change?

Scale factor -> 4

300

Square A has sides of 5yd. A scale factor of 11 is applied to this square. What are the side measurements of the new square?

55yd

400

A rectangle has sides of 4m and 7m. After a scale factor of 2 is applied to this rectangle, what is the PERIMETER of the new rectangle?

44m

500

A rectangle has sides of 3in and 4in. After a scale factor of 3 is applied to this rectangle, what is the AREA of the new rectangle?

108in²

Circles

100

A circle has a diameter of 50 feet. What is the radius?

25 feet

200

What is the circumference of a circle with a radius of 15 inches?

94.2 inches or 30pi

300

What is the circumference of a circle with a diameter of 100 cm?

314 cm or 100pi

400

What is the area of a circle with a radius of 4 cm?

50.24 square cm or 16pi

500

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

113.04 cm squared or 36pi

Angles

100

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

110 degrees

200

An angle greater than 0 degrees but less than 90 degrees

Acute

300

A pair of opposite angles formed by intersecting lines.

Vertical angles

400

A 180 degree angle is called a ________ angle.

Straight

500

Angles that add up to a total of 90°

Complementary Angles

Integer Operations

100

-2 + -2

-4

200

-2 + 4

2

300

-4 * -4

16

400

45 / -9

-5

500

-3 - (-3)

0

Solving Proportions

100

1:2

2:?

2:4

200

2:5

6:?

6:15

300

1:?

4:24

1:6

400

1:?

3:108

1:36

500

1:?

4:30

1:7.5