Across
- 5. the numbers on which we operate can be moved or swapped from their position to get the same answer
- 8. A symbol for a number we don't know yet
- 9. to divide something or give a share or part of something
- 12. any of the line segments from its center to its perimeter
- 14. to substitute a number for each variable and perform the arithmetic operations
- 15. any straight line segment that passes through the center of the circle
Down
- 1. compares two values, showing if one is less than or greater than the other
- 2. How much one number differs from another
- 3. the aggregate of two or more numbers
- 4. the result of multiplying
- 6. a measure of how much space there is on a flat surface
- 7. the length of the outline of a shape
- 10. a statement that the values of two mathematical expressions are equal
- 11. The distance around the edge of a circle
- 13. the distance from zero 2wds