Across
- 3. A letter that represents a number in a math expression.
- 7. A math phrase that combines operations, numbers, and/or variables.
- 8. General term for addition, subtraction, multiplication, and division.
Down
- 1. A number on its own, without a variable.
- 2. The total length of all the edges of a polygon.
- 4. The number that indicates how many times the base is multiplied by itself.
- 5. A number expressed in the form a/b.
- 6. The set of numbers that contains the whole numbers and their additive inverses.