Basic Algebra
Inequalities
Word problems
Basic Geometry
Riddles
100

(4*(5+7))/2

24

100

x+5>2

x>-7

100

A group of preschoolers has 25 boys and 75 girls. What is the ratio of girls to boys? Simplify 


3 girls to every one boy

100

What is the name of this triangle? 

It's a triangle with a 90-degree angle and two sides that are equivalent  

Isosceles right triangle 

100

What disappears as soon as you say its the name? 

Silence 

200

(1/2)/(7/4)

SIMPLIFY 

2/7

200

2z-5<3

z<4

200

The farmer sells 10  pounds of potatoes worth 4 dollars, but you want only 3 pounds of potatoes. How much do you need to pay the farmer


1.2 dollars 

200

Name all quadrilaterals that have two sets of parallel lines and the opposite angles are equal  

Rectangle, square, Rhombus, parallelogram 

200

More of this there is, the less you see. What is it? 


Darkness 
300

x+2=8+2x

x=-6

300

-2(j-4)>-6

j<1

300

You want to take a bus from Boston to New York City, which is 756 miles away. If the bus travels at 39  miles an hour, and you’ve been driving for 12  hours, have you arrived in New York yet? Explain your answer! 


No, because they have traveled only 468 miles! 

39*12=468

300

Name three different types of angles and the ranges of their measures. 

Teacher will decide 

300

What can you hold in your left hand but not your right? 

Right Elbow 

400

10x+5=-5x+35

x=2

400

3a+2>-4(a-4) 

a>2

400

Christian can type 500 words in 25 hours and Sam can type 384 words in 4 hours. Who has a faster typing rate?


Sam is faster 

400

Find the area and perimeter of this shape. 



Area: 112 units squared

Perimeter: 104 units 

400

81 x 9 = 801. What do you need to do to make this equation true?


Turn it upside down. 108 = 6 x 18.

500

((x+9)/2)+6=7x+8

x=5/13

500

(18b+12)/-3<8+8x

b>-6/7

500

A man is 36 years old and his daughter is 3. In how many years will the man be 4 times as old as his daughter?


8 years 

500

Find area and perimeter of this shape. 


Area: 124 units squared

Perimeter: 61 units 

500

A girl has as many brothers as sisters, but each brother has only half as many brothers as sisters. How many brothers and sisters are there in the family?


3 brothers and 4 sisters