Across
- 4. One of the two parts joined to make the whole.
- 6. An expression using numbers and the + and = sign.
- 9. Something that is NOT a fact; the opposite of true.
Down
- 1. The sum of two parts.
- 2. A count of no objects.
- 3. Something that IS a fact; the opposite of false.
- 4. The symbol used to show addition.
- 5. To join together sets to find the total or sum.
- 7. The answer to an addition problem.
- 8. The sign used to show having the same value as or is the same as.