Across
- 3. To find a value that is close enough to the correct value.
- 6. The result of adding: altogether.
- 7. The opposite of another operation.
Down
- 1. The result of subtracting one number from another.
- 2. Swap one thing for another.
- 4. How you use relationships and connections between numbers to solve a problem.
- 5. Make a number simpler but keeping its value close to what it was.
- 8. The result of adding two or more numbers.