Algebra 2 students learned to solve a system of equations in three variables with pencil and paper. They then learned about matrices, matrix multiplication, and determinants and were able to apply Cramer's Rule to solve a system of equations, again "by hand." After a few days of torture, I taught them how to use their graphing calculators to enter matrices, find determinants, and perform matrix operations. They were psyched! It may not appear so in the photos, but ask them about it.
Ava and Sarah. Sarah has to reference her user manual since she has a Casio.
Sven's calculator just arrived!
Sophie is so glad she has her name engraved on her calculator.
Anna is a pro!
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