Across
- 4. To find a number that is close in value to a given number
- 7. A close guess made using mathematical thinking
- 8. The two numbers added together in a addition program
- 9. The value assigned to a number digit based on its position
Down
- 1. Straight lines marked at equal spaces to show number lines
- 2. sums you get in each step of the strategy
- 3. The result of addition
- 5. The result of subtraction
- 6. To put together or break apart ones, tens, or hundreds
- 10. A set of routines steps used to solve problems