It goes up and down the stairs without moving.
Carpet
It is the product of repeated factors.
Power
What can you catch but not throw?
Cold
If you divide thirty by half and add ten, what do you get?
70
1, 4, 9, 16, 25, 36, ... are examples of these.
Perfect Squares
Clock
It's used to write very small or large numbers and is the product of a factor and an integer power of 10.
Scientific Notation
When I take five and add six, I get eleven, but when I take six and add seven, I get one, What am I?
Clock
A word I know, Six letters it contains. Subtracting just one, and twelve is what remains.
Dozens
What is x, if x2= 25.
x=5 and x=-5
The more there is the less you see.
Darkness
1, 8, 27, 64, 125, ... are an example of ?
Perfect Cubes
What has a mouth but cannot chew?
River
X is an odd number. Take an alphabet away from X and it becomes even. Which is that number?
Seven (Seven-S=Even)
What is x, if x3= -8
x=-2
You hear me once, you heard me again, and then I die until I am called again.
Echo
It's a number, variable, or a product of a number and variable.
monomial
I'm tall when I'm young and short when I'm old. What am I?
Candle.
If you multiply this number by any other number, the answer will always be the same. What number is this?
Zero
These roots are always rational.
perfect squares
Creeping on its belly, curled into a ring. Eyes forever open, beware its lethal sting.
Snake
What is the value in an equation or expression that never changes
Constant
If I drink I die, If I eat I'm fine. What am I?
Fire
How can you take 2 from 5 and leave 4?
F I V E
What is x, if x2=-16
non existing