Across
- 3. Two numbers that are an equal distance from zero on a number line. (also called additive inverse)
- 5. The opposite of a number. When you add two additive inverses, the result is zero.
- 6. The set of whole numbers and their opposites, including zero.
- 7. A representation of an expression, often using objects.
Down
- 1. The distance of a number from zero on a number line. Shown by | |
- 2. Positive numbers, including the number zero. There are no decimal or fraction values.
- 4. A mathematical phrase that contains operations, numbers, and/or variables. No equal sign.