Across
- 1. one of the two parts to make the whole
- 4. the sign used to show having the same value
- 7. to join together
- 9. the answer to an addition problem
- 10. a fact, the opposite of false
- 11. the sum of two parts
Down
- 2. any numbers being added together
- 3. the symbol used to show addition
- 5. number sentence an expression using numbers and the + and = signs
- 6. something that is not a fact, the opposite of true
- 8. a count of no objects