7th grade math jeopardy

positive and negative integers

100

4 x (-5)

-20

200

-18 ÷ (-2)

9

300

(-4) + 10

6

400

-16 - (-32)

16

500

-5 + (10) x (-2)

-25

fractions

100

⁵⁄₁₆ + ⁴⁄₁₆

⁹⁄₁₆

200

⁴⁄₁₀ x ½

1/5

300

½ ÷ ⁷⁄₁₂

⁶⁄₇

400

⁵⁄₁₀ - ¹⁷⁄₁₀₀

³³⁄₁₀₀

500

An octopus weighed 5/6 of a kilogram. After two weeks its weight increased 3/10 a kilogram. But afterwards it lost 1/5 kilograms in weight as it was sick. What is its current weight?

28/30=14/15

distributing

100

5(3 + 5)

15 + 25

200

3(12 + 2y)

36 + 6x

300

-(6 + 3∆)

(-6 - 3∆)

400

-4(8 - 3n)

-32 + 12n

500

10 + 2(-3 + 7x) + 4x -5

18x - 1

linear equations

100

x + 12 = -18

x = -30

200

4x = 60

x = 15

300

3x - 2 = 4

x=2

400

2n - 3=8

n = 11/2

500

-8 - 3y = -10

y=2/3

mixed

100

What is an unknown number represented by a letter?

a variable

200

2⁴

16

300

Name the property that allows: a(b+c) = ab+ac

Distributive Property

400

(-3)³

-27

500

Simplify the expression: 8 + 2x - 4 - x

4 + x