Exponents
Riddles
Linear Equations
Random facts
Linear Equations
100

5^3

125

100

What has an eye but cannot see?

A needle

100

2x+5

=11
100

when did the cold war end?

1990

100

x+9=17

8
200

2^7

128

200

What is always coimg but never arrives?

Tommorrow

200

3x-7

=8

200

How much does a cloud weight?

A million tonnes

200

x-13=12

25

300

5^3

125

300

What has to be broken before you use it?

An egg

300

-4x+12

=0

300

What was the first book published?

Harry Potter

300

6c-12=48 solve for c

C=10

400

3^4

81

400

What has an neck but no head?

A bottle

400

3x+4

=10

400

What never spoils?

Honey

400

9x-24=84 solve for x

X=12

500

7^5

16,807

500

What is full of holes but still holds water?

A sponge

500

1/2x-4

=2


500
How many hearts does octopuses have?

3

500

12p-18=30 solve for P

P=4