This lesson is a part of 5 part series that I teach on matrices, that is available as a bundle at a reduced price. This whole lesson is on teaching about the zero and identity matrix and then finding the determinant of different matrices. 14 slides.
Lesson One: adding and subtracting, what are matrices etc...
Lesson Two: Multiplying, mainly 2x2, when you can and cannot multiply
Lesson Three: zero and identity matrix and the determinant
Lesson Four: Inverse matrices intro - using the formula
Lesson Five: Inverse matrices further - simultaneous equations
This lesson builds towards the next lesson on finding inverse matrices. This lesson has a starter, learning objectives, keywords, excellent examples and teaching slides, embedded questions with answers and a plenary.
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