A number can be divided evenly by numbers other than 1 or itself.
What is a composite number?
100
9 1/2 - 1 2/9=
What is 8 5/18
100
36 * -61
What is -2046?
100
Any of the 4 equal areas made by dividing a plane by an x and y axis.
What are quadrants?
100
3x=120
What is x=40?
200
Includes the counting numbers {1, 2, 3, ...}, zero {0}, and the negative of the counting numbers {-1, -2, -3, ...}
What is an integer?
200
8 3/5 - 6 1/4 =
What is 2 7/20?
200
95 * -95
What is -9025?
200
Quadrants are labeled in this direction.
What is counter clockwise?
200
5x - 20 =94
What is x=22.8
300
The highest number that divides exactly into two or more numbers.
What is greatest common factor or GCF?
300
4 4/9 + 2 1/2 =
What is 6 17/18?
300
-87 / -76
What is 1.14?
300
On a two-dimensional graph it is where the X axis and Y axis cross, marked (0,0).
What is the origin?
300
3x + 30 =71
What is x=10.25?
400
The whole numbers from 1 upwards: 1, 2, 3, and so on ...
Or from 0 upwards in some fields of mathematics: 0, 1, 2, 3 and so on ...
No negative numbers and no fractions.
What are natural numbers?
400
9 1/5 + 1 1/2 =
What is 10 7/10?
400
-6 * 88
What is -528
400
Two numbers written in a certain order.
Usually written in parentheses like this: (4,5).
What is an ordered pair?
400
11x -70 =77
What is x=13.36
500
Any number that can be made by dividing one integer by another.