MATH JEOPARDY

Integers

100

-9 + 23

14

200

-34 - (-23)

-11

300

List the steps for adding integers with different signs

1. Take the absolute value of both numbers 

2. Subtract bigger number - smaller number

3. Keep the sign of the greater absolute value

400

(-3 x -4) / (-1/2)

-24

500

(-53+47) x [-18-(-23)]

-30

Expressions

100

What is the difference between an expression and equation? 

The equal sign

200

Write an expression for: 

13 decreased by the product of 28 and d

13 - 28d

300

Write an expression for:

A number cubed divided by a number plus 23

x³ / (y+23)

400

Solve when y = 13

y² - (23 x 3)

100

500

Combine like terms 

-4x³ +20 -x³+3 -2x

-5x³ -2x +23

PEMDAS

100

10 - 7 + 3 x 2

9

200

30 / 5 x 3 + 6

24

300

(9x7) / (84/4)

3

400

18 + 12 / (15-11)

21

500

(24/8)³ + (6 x 10) + (10+3)

100

Fractions

100

(1/2) / (3/8)

1 1/3

200

(3/4) / (15/20)

1

300

(4/15) / (1/10)

2 2/3

400

A group of children play in an orchestra. 3/8 of the children play a brass instrument. Of these children, 2/5 play a trumpet. What fraction of the group of children play a trumpet?

3/20 (Half credit if not simplified)

500

(8/9) / (6/63)

9 1/3 

Geometry

100

What is the formula for area of a trapezoid?

A = ((b₁+b₂)/2)h

200

What is the simplified formula for perimeter of a rectangle? 

P = 2L + 2W

P = 2(L+W)

300

Is a square a rectangle? Explain. 

Yes because it has: 

4 sides

2 sets of equal sides

4 right angles

400

A cube's side length is 8 inches. Find the volume. 

512 in³

500

A rectangular prism's length is 14 inches, width is 7 inches and height is 10 inches. Find the volume. 

980 in³