Across
- 2. relates an input to an output
- 3. a letter that represents a number
- 6. numbers, symbols and operators grouped together
- 8. finding the unknown or it is put in a real life problem
- 9. a quantity that expresses the extent
Down
- 1. it is possible
- 4. it has many lines
- 5. all about shapes and their properties
- 6. a mathematical sentence with an equal sign
- 7. the rate of change of a line