Lesson Plan
Curated OER

A Fraction of the Possibilities

For Teachers 12th - Higher Ed
Students review the conversion of fractions to decimals, develop strategies to compare fractions perform complex calculations using ratio techniques similar to the construction of fractions.
Lesson Plan
Curated OER

Number Properties - Know 'em, Like 'em, Use 'em

For Teachers 9th
Ninth graders express mathematical properties through creation of advertising jingles.
Worksheet
Curated OER

Gulliver's Travels Discussion Questions

For Students 9th - 12th
Good discussion questions are hard to find and even harder to craft. If you're looking for questions that will stimulate in-depth discussions for all four books in of Jonathan Swift's Gulliver's Travels, check out this resource.
Lesson Plan
Curated OER

Are You a Radical or Just a Square Root?

For Teachers 4th
Fourth graders discover that the inverse of squaring is finding a square root. and that square roots are found in many formulas used in many disciplines. They utilize a worksheet imbedded in this plan that gives them quite a bit of...
Lesson Plan
Curated OER

Clock Arithmetic and Cryptography

For Teachers 9th - 12th
Students investigate modular clock arithmetic and cryptography. They perform basic operations in modular (clock) arithmetic and encode and decode messages using simple shift and affine ciphers.