Shodor Education Foundation
Shodor Interactivate: Modular Arithmetic
Introduces students to modular (clock) arithmetic and its uses in real world problem-solving.
CK-12 Foundation
Ck 12: 2.5 Simple Rational Models
This section draws on previous sections that explored how to add, subtract, multiply, and divide rational numbers in order to solve real-world problems involving rational equations. It explores how to apply these procedures in order to...