Hop your way through a mathematical equation with your first grade class as they learn the idea of moving up and down the number line. Adding and subtracting like little frogs is an engaging and clever way to teach/reinforce this concept.

How can you tell if a number of items is reasonable? Combine math and language arts with a fun lesson plan based on Jeff Shepard's The Right Number of Elephants. After reading the book, kids discuss amounts of other items and create...

Strengthen your class's understanding of place value with this series of base-ten flash cards. Including illustrations representing a variety of numbers from 13 to 94, this resource can be used in many different ways to build the numbers...

First graders work together to sort, categorize, and order collections of objects through activities that help build number sense. 

It's never too early to begin a child's math education. This collection of fun hands-on activities engage youngsters in building their number sense as they learn how to count objects, identify numerals, compare amounts, and much more.

How many people and animals can cram into a single bed? Find out with this cross-curricular math and language arts lesson. Following along with a reading of the children's book The Napping House by Audrey Wood, young mathematicians add...

Kindergartners jump right into learning. Each lesson in this math unit is clearly outlined with materials, procedures, student outcomes, misconceptions, and solutions. All lessons and activities are aligned with Common Core math standards.

In groups, first graders use manipulatives and drawings to model numbers in order to extend their knowledge about counting on to 120. The lesson allows students to hear and say number words as they count aloud their number representations.

Climb into Archimedes' treehouse and explore a variety of manipulative-based math activities. A great resource for developing fundamental number sense and basic math skills in young learners.

Building on the previous lesson in this series, young mathematicians develop a deeper understanding of the alternating pattern with even and odd numbers. Pictures and number lines guide learners as they observe how the observed pattern...