Across
- 3. The correct way of writing a x 4 in algebra
- 4. two expressions equal to each other
- 5. The part of mathematics in which letters and other general symbols are used to represent numbers and quantities in formulae and equations.
- 6. a mathematical sentence made of variables, numbers and operations
- 8. The value of 7x when x=3
Down
- 1. a letter used to replace an unknown number
- 2. An equation is made of twe expressions separated by an .... sign
- 7. the sum of x and 1
- 8. The value of 2x+5 when x=100