Math Game!

Vocabulary

100

EXPRESSION

A combination of numbers, variables, and operations written together without an equal sign.

200

VARIABLE

A symbol that represents an unknown number or quantity.

(ex. x, y, a, b, etc.)

300

SUPPLEMENTARY ANGLE

Either of two angles whose sum is 180°.

400

COMPLEMENTARY ANGLE

Either of two angles whose sum is 90°.

500

UNIT RATE

A ratio where the denominator is always 1.

Two-Step Equation

100

2x+3=7

What does x represent?

X=2

200

5x + 12 = 27

What does x represent?

Answer: 3

300

9x - 9 = 9

What does x represent?

Answer: 2

400

4x - 4 = 24

What does x represent?

Answer: 7

500

x/3 + 8 = 14

What does x represent?

Answer: 18

Surface Area

100

A cube has sides that 2cm. What is the volume?

Answer: 8 cubic cm

200

Use the formula for surface area, SA = 2(lw + lh + hw) how to find the surface area of the rectangular prism with a length of 10 meters, width of 8 meters, and height of 5 meters.

Answer: 340

300

How many one-inch cubes can fit into a box that is 8 inches wide, 10 inches long, and 12 inches tall?

Answer: 960 cubes

400

What is the volume of the rectangular prism having length, width, and height as 6cm, 3cm, and 4cm?

Answer: 72 cubic cm

500

What is the surface area of the rectangle prism with a length of 12 meters, a width of 8 meters, and a height of 5 meters.

392 m²

Exponents

100

What is equivalent to 10³?

A. 10 x 3

B. 10 x 10 x 10

C. (10 x 2 x 10)

D. 10 x 10 x 3

Answer: B. 10 x 10 x 10

200

True or False?

'When finding the power of any number, the exponent is how many times you multiply that number by itself.'

Answer: True

300

What is equivalent to 10⁶?

A. 10,000,000

B. 1,000,000

C. 101010101010

Answer: B. 1,000,000

400

What is equivalent to 10⁸?

A. 100,000,000

B. 80

C. 1010101010101010

Answer: A. 100,000,000

500

What is equivalent to 10¹⁰?

A. 10101010101010101010

B. 100

C. 10,000,000,000

Answer: C. 10,000,000,000

Circumference

100

The _____ is the distance around a circle.

Answer: circumference

200

Find the circumference of the circle with the radius of 4.5 cm. Use 3.14 for Pi.

Answer: 28.26

300

What is the circumference of a circle with the radius of 11. Use 3.14 for Pi.

Answer: 69.08

400

Find the circumference of a circle with the radius of 12. Use 3.14 for Pi and round to the nearest tenth.

Answer: 75.4

500

Calculate the circumference of the circle using the given diameter 50. Use 3.14 for Pi.

Answer: 157