Math jeopardy- Emerson Puri

Multiplication

100

-6²

-36

200

-2 X -2

4

300

-2 X (-30)³

54

400

5 X 3 X (-2) 

-30

500

-5² X 4

-100

Division

100

21÷(-7)

-3

200

0÷6

0

300

-2/7 ÷ 10/7

-14/70 or 1/5

400

15÷0

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500

2/3 ÷ (-14)

-2/42 or 1/21

Adding

100

(-3) + 3 + 12

12

200

-1 1/5 + (-3/5) 

-9/5 or 1 4/5

300

-2 1/6 + (- 2/3)

-17/6 or 2 5/6

400

-9.3 + 1.4

-7.73

500

-7/4 + (-5/2)

-17/4 or 4 1/4

Subtracting

100

-14 - (-7)

-7

200

(-9) + 4 + 7

2

300

3.77 - (-9.9)

-13.67

400

1.7 - (2.1 + 3.8) 

4.2

500

-1 1/5 - 1/5

-7/5 or -1 2/5

Other

100

There are 15 people in a room. Each person ate 2/3 of a pizza. There was no pizza remaining. How many pizzas were the room?

10 pizzas

200

1.86947 - 3.44²

9.96413