ALEX Lesson Plan Resources

ALEX Lesson Plans  
Subject: Mathematics (9 - 12)
Title: Classifying Complex Numbers
Description: This lesson helps students distinguish between strictly complex numbers, strictly real numbers and strictly imaginary numbers while learning that real numbers and imaginary numbers are subsets of the set of complex numbers.

Thinkfinity Lesson Plans  
Subject: Mathematics
Title: Approximations of Pi      Add Bookmark
Description: This student reproducible, from an Illuminations lesson, provides information about and several examples of approximations for the constant pi.
Thinkfinity Partner: Illuminations
Grade Span: 6,7,8

Subject: Mathematics
Title: Caesar Cipher      Add Bookmark
Description: In this lesson, one of a multi-part unit from Illuminations, students investigate the Caesar substitution cipher. Text is encoded and decoded using inverse operations.
Thinkfinity Partner: Illuminations
Grade Span: 9,10,11,12