You are given a cube that is made with the help of 10x10x10 smaller cubes summing up to a total of 1000 smaller cubes. You are asked to take off one layer of the cubes.
How many remain now?

Take number 1000 and then add 20 to it.
Now add 1000 one more time.
Now add 30.
Now add 1000 one more time.
Now add 40.
Now add 1000 one more time.
Now add 10.

What is the total?

You Throw The Outside, Cook The Inside
Eat The Outside, Throw The Inside.

What Is It?

A sundial has the fewest moving parts of any timepiece. Which has the most?

Look at this sequence from top to bottom. What is the next number in the sequence?
1
11
21
1211
111221
312211

What does this Rebus Picture mean?

What word begins and ends with an E, but has only one letter?

A tree doubled in height each year until it reached its maximum height over the course of ten years. How many years did it take for the tree to reach half its maximum height?

using four eights (8) and a one (1) and one mathematical symbol , create the number 100

Can you identify the hidden rebus in the image below?