Math Jeopardy

Solve for the unknown

100

4x-12=36

What is x?

x=12

200

2y-17=-11

find y

y=3

300

7w+(8-3)=33

Solve for w

w=4

400

15t+(5+11)=106

Solve for t

t=6

500

23u-(12+11(2+3))=274

What does u equal?

u=9

Area of different shapes

100

Arjay measures a side of a square. One side is 15cm. What is the area?

60cm²

200

The length of a rectangle is 16 inches. The width is 9 inches. What is the area?

144 inches²

300

A triangle has a base of 23cm. It has a height of 18cm. What is the area?

207cm²

400

A circle has a radius of 42mm. What is the area?

5538.96mm²

500

A circle has a radius of 92cm. What is the area of the circle?

26576.96cm²

Discounts and Tax

100

A shirt costs $13.99. Include 12% tax. What is the total cost?

$15.67

200

Xage buys shoes for $132.99. He gets a 45% discount. What is the total cost. 

(no tax)

$73.14

300

Carson buys 2 yoyos. 1 yoyo is 12.99. The deal he got was buy 1, get 1 30% off. What is the total cost?

(no tax)

$22.08

400

A bag is $356.98. There is 10% discount and a 12% tax. What is the total cost?

$359.84

500

Stephen bought a PC for $3438.57. He got a 24% discount. Include 12% tax. What is the total cost?

$2926.91

Adding/Subtracting Fractions

100

3/7+5/8

59/56 or 1 3/56

200

3/5-5/9

2/45

300

4/9-3/8

5/72

400

6/7+8/11

122/77 or 1 45/77

500

9/18-8/72

28/72 = 7/18

Random 😈

100

What quadrant is in the bottom right corner of the Cartesian plane?

Quadrant 4

200

What is 7⁴?

2401

300

What is 8⁶

262144

400

Jarcean on his 5 past test 98%, 96%, 95%, 103% and 99%. He wants to find the mean, range and median.

Mean=98.2%

Range=8%

Median=98%

500

if x=21, what is Arjay's full name?

Arjay Wayne Jayectin