Math Jeopardy

Math Riddles

100

John father is 3 times his age. His brother Mark, is 2 years older than John. If John dad is 33 years old, how old is Mark.

Mark is 13 years old

200

Mom and dad have four daughters, and each daughter has one brother. How many people are in the family?

7

because the daughters share the same brother

300

Use the numbers 2, 3, 4 and 5 and the symbols + and = to make a true equation.

Answer: 2+5= 3+4

Because 2 +3+4+ 5= 14 and half of 14 is 7. Therefore, you are going to need 7 on both side of the equal sign.

400

Add this number with any other number and you will always get the same answer. What’s the number?

0 

Examples

50+0=50

5+0 = 5

Order of Operation

100

Solve:

2 x3 + 20 - 4

22

200

Solve:

5² - 2² - 5 + 2

18

300

Solve:

(5/25)/(3/15)

1

400

Solve

2² / 2 + (2)

4

500

3(10³) -20 + (90/3)

3010

Algebra Name

100

Find a:

a + 2= 22

a = 10

200

A chocolate bar costs A cents and a drink costs B cents. Write down an expression for the total cost of 3 bars chocolate bars and 2 drinks.

3A  + 2B

300

Simplify the following:

4m²+5+2m + 20 m −1 -2 -3.

4m²+22m -1

400

Brian is a window cleaner. He uses the following formula to calculate the amount to charge his customers:

Charge =$50+4n + 3n²

Where n is the number of windows a house has.

If a house has 6 windows, how much would Brian charge?

50 + 24 + 3(36)= 182

500

The formula for changing degrees Celsius (C) to degrees Fahrenheit(F) is: 

F =( 9C / 5) + 32

Find C

C= ( 5(F -32) )/9