Across
- 2. To put numbers together
- 5. A number sentence with a missing number
- 6. The answer to a subtraction problem
- 8. To take one number away from another
- 9. Solve this: x plus 3 equals 7, x equals
- 10. The answer to an addition problem
Down
- 1. A rule that repeats or changes in a sequence
- 3. A letter that stands for a number
- 4. A symbol like plus or minus
- 7. The sign that means “the same as”