Lesson Plan
Curated OER

Sizing Up Shapes

For Teachers 1st
First graders explore geometric shapes. In this math instructional activity, 1st graders sort shapes into groups and discuss the characteristics of the shapes. Students build geometric shapes using toothpicks and marshmallows.
Lesson Plan
Curated OER

Prime & Composite Numbers: Algebra/Geometry Institute 2009

For Teachers 7th - 8th
Young scholars create factor trees.  In this prime and composite activity, students model fractions using tiles.  They create factor trees and identify prime and composite numbers.  Young scholars use grid paper and tiles...
Lesson Plan
Curated OER

Monkey Subtraction

For Teachers K
Students listen to the book Five Little Monkeys Sitting In a Tree, identify written numbers 0-9 and the symbol for subtraction; students subtract two single digit numbers using manipulatives, and recite the corresponding number sentence.
Lesson Plan
Curated OER

Problem Solving Using Coin Identity and Coin Value

For Teachers K
Students identify characteristics of a penny, nickel, dime, and quarter, match the value of coins, and practice using money for a purchase.
Lesson Plan
Curated OER

Geometry House!

For Teachers 4th
Fourth graders use computer drawing tools to create a house of geometric shapes.