Curated OER
Greatest Common Factor: Using the Factor Tree
Students find the greatest common factor of two numbers. For this algebra lesson, students use prime factorization to find their factor to simplify equations. they create a factor tree to find the factors of composite numbers.
Curated OER
Mathematics: Prime and Composite Numbers
Sixth graders explore how to apply the commutative property and the rules of divisibility. They examine the difference between prime and composite numbers.
Curated OER
Look At Those Leaves!
Young scholars collect, observe, sort, and measure leaves. In this leaf instructional activity, students take a walk to collect leaves. They bring the leaves back into the classroom to observe, sort, and measure them. They visit a...