Random Math Facts
Two step Equations
Multistep Equations
Simplifying and Applying Expressions
Riddles
100
A letter used to represent an unknown number
What is a variable?
100

Jim paid a gym membership fee of $50, plus $20 per month. Jim has paid a total of $290 to the gym. How many months did Jim go to the gym?  

 12

100

6r − 1 + 6r = 11

r = 1

100

Simplify the expression

2 + 6x + 4 + x

7x + 6

100

How many letters are in the alphabet?

There are 11 letters in the alphabet.

200
The opposite of addition
What is subtraction?
200

Scott works on cars. He charges $35 for each car plus $7 per hour.  If Kylie's car bill was $63, how many hours did Scott work on the car?

4

200

18 = 3(3x − 6)

x = 4

200

Simplify the expression

-22c + 44r - 88

11(-2c + 4r -8)

200

What is possible to catch but impossible to throw?

A cold

300
The four basic operations
What are addition, subtraction, multiplication, and division?
300

Natalie is a softball coach. She has a pitching private lesson with Kasey. Kasey's mom pays Natalie $11 per hour plus a $6 tip. The total cost was $39. How many hours was the lesson?

3

300

r + 11 + 8r = 29

r = 2

300

Simplify the expressions

-3( -2 + 4r) - 5r

-17r + 6

300

I am always old, but sometimes also new. While I’m never sad, sometimes I am blue. I am never empty, but only sometimes full. I never push, but I always pull. What am I?

The moon

400
A number right in front of a variable
What is a coefficient?
400

A bag of candy was shared equally among 4 friends. Each friend gave away 7 pieces of candy. They each ended up with 8 pieces of candy. How much candy was in the bag at the beginning?

60

400

−13 = 5(1 + 4m) − 2m

m = -1

400

Simplify the expression

7 - 3n + 9k use n = 9 and k = 8

52

400

What word starts with E, ends with E, but only holds a single letter?

Envelope

500

What is the coefficient in this expression?

3 + -y + 18

-1

500

Jill sold half of her comic books and then got sixteen more. She now has 36. How many book did she begin with?

40

500

−89 = 3c + 4 (3c + 4)

c = -7

500

Simplify the Expression

-2(-7z - 3c) use z = 9 and c = 7

168

500

If you have me, you want to share me. If you share me, you haven’t kept me.

A secret

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