### Numbers

This plugin is included in the free base version of Tewter. The chapter covers prime numbers, factors, square roots and indices.

- The following topics are included.–
- prime numbers
- factors and prime factors
- greatest common factor
- lowest common multiple
- square numbers and cube numbers
- square roots and cue roots
- indices
- index laws
- fractional indices
- powers of 2 and 10

Each topice contains multiple question types. Revise single topics or the complete chapter.

### Algebra

This chapter covers the basics of algebraic expressions and their simplification. It is a plugin to the base app and all content is integrated into the base Tewter app. The app contains a powerful symbolic algebra engine. This allows you to enter the answer in clear text. Tewter is not fussy about the exact order of terms or spaces that you might include in your answer.

The following topics are included.

- algebraic expressions
- algebraic expressions involving squares
- using index laws in algebraic expressions
- expanding brackets
- factorising expressions
- simplfying algebraic expressions
- multiplying two brackets
- squares of brackets
- solving equations and the balancing method

Each topice contains multiple question types. Revise single topics or the complete chapter.