1.
it in its simplest form
2.
number in front of a variable in math expression
4.
math sentence that shows two sides are equal
5.
Number variable or both in an expression
6.
Solved with just one math operation
7.
The opposite operation (like + and −)
8.
math phrase without an equal sign
9.
number that does not change
10.
A comparison showing <, >, ≤, or ≥
11.
Needs more than one operation to solve
12.
Whole numbers and their opposites
13.
A decimal pattern that goes on forever
14.
Counting numbers (1, 2, 3, …)
15.
number that never ends or repeats
