8th Operations Jeopardy

Decimals

100

What is 3.5+2.4×2?

8.3

200

What is (8.6−3.2)÷2?

2.7

300

What is 4.5×1.2+2.6?

8.0

400

What is 12.8÷4−1.35?

1.85

500

What is (6.4+2.8)×1.5−3.6?

10.2

Fractions

100

What is 3/4 + 2/3 x 9/8?

3/2

200

What is (5/6 + 1/4) ÷ 13/12?

1

300

What is 7/9 ÷ 14/15 - 1/6?

7/12

400

What is (3/5 - 1/4) x 8/7 +2/3?

16/21

500

What is (5/6 + 3/8) ÷ 29/24 - 2/5 x 3/4?

17/50

Scientific Notation

100

What is (3.2×10⁴)(2.5×10³)?

8.0 x 10⁷

200

What is 8.4 x 10⁷ ÷ 2.1 x 10³?

4.0 x 10⁴

300

What is (4.5 x 10⁵) + (3.2 x 10⁵)?

7.7 x 10⁵

400

What is (7.2 x 10⁶) - (2.8 x 10⁵)?

6.92 x 10⁶

500

What is (6.25 x 10⁴)(3.4 x 10^-2) ÷ 1.7 x 10¹?

1.25 x 102

Integers

100

What is -12 + 7(-3)?

-33

200

What is (-48) ÷ (-6) -15?

-7

300

What is -4(6 - 11) + (-18) ÷ 3?

14

400

What is [(-8)² ÷ (-4)] + 3(-5)?

-31

500

What is -3[4-(-6)] + (-24) ÷ (-3)² -2?

-34

Expressions

100

Simplify 3(x + 4) + 2x

5x + 12

200

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

14x - 8

300

Simplify -3(2x - 5) + 4(x + 2)

-2x + 23

400

Simplify 6(3x - 2) - 2(4x + 5) + 7

10x - 15

500

Simplify -4(2x - 3) + 3(5x + 2) -2(x - 7) - 9

5x + 23