Algebraic expressions in real life
Mathematics · Grade 8 · about 40 minutes
Formulas as expressions with a job, building one from a described situation, and using it for many sets of values.
Sign in to read this lesson
Lessons are for learners and teachers with an account. Browsing the curriculum — subjects, strands and what each sub-strand covers — stays open to everyone.
- 6 sections of explanation, worked examples and diagrams
- 1 practice task with hints and worked answers
- A quiz that marks itself as you go
- Your progress kept across every subject you take
Other lessons in this sub-strand
- Like and unlike terms
- Factorising by common factors
- Factorising by grouping
- Simplifying algebraic fractions
- Substituting numerical values
- Algebraic expressions in real life