Lesson deck
AlgebraHigher
Simultaneous equations:Special cases
Working that ends in 0 = 4 means no solution (parallel lines); 0 = 0 means infinitely many (the same line). Then finding k, angles and interest.
A free GCSE Higher algebra lesson on simultaneous equations: special cases, spec codes A19, A9 and A21. It has a lesson deck to teach from with a visualiser, a worksheet with answers and an exit ticket.
Higher
Simultaneous equations:Special cases
Exit ticket
Simultaneous equations:Special cases
More in Equations and inequalities
- Missing numbers: first equationsLesson · Support
- Solving two-step equationsLesson · Support
- Solving two-step equationsLesson · Foundation
- Equations with bracketsLesson · Support
- Equations with bracketsLesson · Foundation
- Equations: the unknown on both sidesLesson · Support
- Equations: the unknown on both sidesLesson · Foundation
- Forming equations from perimeterLesson · Common
- Inequalities on a number lineLesson · Common
- Solving inequalitiesLesson · Common
- Algebraic expressions: exam questionsExam questions
- Functions and iterationProblem solving
- Solving one-step equationsWorksheet · Foundation
- Answer chain: two-step equationsPuzzle