Curated OER
New: Fun with Fractions
Third graders determine that the larger the denominator the more parts the whole is being divided into. They use fractions to communicate and compare parts of the whole. They discover what the numerator and denominator of a fraction...
Curated OER
Discovering Math: Rational Number Concepts
Students explore the concept of Egyptian contributions in mathematics. In this Egyptian contribution lesson, students research Egyptian hieroglyphics and pyramids. Students write numerals in hieroglyphics. Students use Egyptian methods...
Curated OER
Robot Ratios
Students measure the activity and parts of a robot. In this algebra lesson, students explore ratio and proportion using their classroom. They apply properties of fractions as they cross multiply to solve problems.