Show:
Operations
Decimals
Fractions
Geometry
100
These are the four main mathematical operations.
What is addition, subtraction, multiplication, and division.
100
This is the definition of a decimal.
What is a part of a whole?
100
These are the names for the numbers on top and bottom of the fraction line. 
What is numerator and denominator?
100
These are the names of the quadrilaterals.
What is a square, rectangle, trapezoid, parallelogram, rhombus?
200
These are the names of the answers of all four operations.
What is sum, difference, product, and quotient?
200
These are the three places that come after a decimal point in order.
What are tenths, hundredths, thousandths?
200
This is when both denominators are the same. 
What are like fractions?
200
I have 4 sides. One set of opposite sides are parallel.  
What is a trapezoid?
300
This is the order of operations?
What is PEMDAS? 
300
This is the rule for adding and subtracting decimals.
What is lining up the decimal point?
300
This is when you make an equivalent fraction in lowest terms. 
What is simplifying?
300
I have a round face, no edges, and am three-dimensional.
What is a cone?
400

3 + (4 x 7) - 52

What is 6?
400

This is the number relationship between every place in the number system.

What is a power of 10?
400
The answer to 3 1/4 x 16.
What is 52?
400
I am a quadrilateral, a parallelogram, and a rectangle. 
What is a square?