BROOKLAND STEM FAMILY NIGHT JEOPARDY!!!!

Arithmetic

100

What is 48 + 27?

75

200

What is 144 ÷ 12?

12

300

What is 7×8−10?

46

400

What is 3.5+2.75?

6.25

500

A number is multiplied by 6 and then 8 is added. The result is 50. What is the number?

7

Geometry

100

How many degrees are in a right angle?

90°

200

A triangle has angles of 50° and 60°. What is the measure of the third angle?

70°

300

What is the area of a rectangle that is 9 units long and 6 units wide?

54 square units

400

A square has a perimeter of 36 units. What is its area?

81 square units

500

A triangle has a base of 12 units and a height of 9 units. What is its area?

54 square units

Algebra

100

Solve: x+7=15

x=8

200

Solve: 3x=24

x=8

300

Solve: 2x+5=17

x=6

400

If y=3x−2, what is y when x=5?

13

500

A number is doubled and then 9 is subtracted. The result is 25. What is the number?

17

Exponents

100

What is 2³?

8

200

What does 5² mean?

5 x 5

300

What is 3⁴?

81

400

Simplify: 2³ x 2²

2⁵ = 32

500

Which is greater: 2⁸ or 4⁴?

They are equal: 256

Math Riddles

100

I am an odd number. Take away one letter and I become even. What number am I?

Seven

200

I have four equal sides and four right angles. What am I?

Square

300

I’m thinking of a number. I multiply it by 2 and add 6. I get 20. What number am I?

7

400

Two fathers and two sons go fishing. They catch three fish, and each person gets one fish. How is this possible?

There are only 3 people: a grandfather, father, and son.

500

I am a two-digit number. My digits add up to 9. When you reverse my digits, the new number is 27 greater than the original number. What number am I?

36