Curated OER
Solutions to Equations with Variables on Both Sides
Students solve equations with variables on both sides. For this algebra lesson, students solve equations using addition, subtraction, multiplication and division. They graph their solution on a coordinate plane.
Curated OER
It's Great to Be More
Students compare whole and fractional numbers using <, >, or =, with manipulatives and drawings.
Curated OER
Big Magic Squares
Students discover that magic squares are interesting objects in both mathematics proper and in recreational mathematics. So they are objects that students should have heard about and experienced.
Curated OER
Ratios, Proportions, and Cross-multiplication
Middle schoolers use cross-multiplication to find the unknown respiration rate of an astronaut. In this multiplication lesson plan, students also use the same process to find missing values in proportions.
Curated OER
Commutative, Associative, and Distributive Properties
Students explore the concept of the associative, commutative, and distributive properties. In the associative, commutative, and distributive properties lesson plan, students discuss real world examples of each property. Students...
Curated OER
Negative Magic Squares
Magic squares are interesting objects in both mathematics proper and in recreational mathematics. So they are objects that children should have heard about and experienced. The problems in this sequence give students the opportunity to...
Curated OER
How Does Radon Get Into Your Home?
Young scholars complete an experiment in which they measure the radon level in their home. They examine the different types of units of measurement and practice using them throughout the activity. They calculate surface area on objects...
Curated OER
Around and Around
Students create a spreadsheet to record information about circular objects. They measure and record information from a variety of objects. Students calculate the ratio of the circumference to the diameter of each object. They find the...