Across
- 2. a statement that the values of two mathematical expressions are equal
- 4. uses the "+" sign.
- 6. uses the "x" sign.
Down
- 1. uses the "-" sign.
- 3. the branch of mathematics concerned with the properties and relations of points, lines, surfaces, solids, and higher dimensional analogues.
- 5. the part of mathematics in which letters are used to represent numbers in formulae and equations.