iMagine Machine
The Land of Venn - Geometric Defense
Young mathematicians use their geometry skills to save the Land of Venn in an engaging math game. A fun way to reinforce children's understanding of basic geometric figures and shapes.
Curated OER
Fact Families Lessons
Have you ever tried using arrays to help you teach the fact families that go with multiplication and division? If not, you should read this article! Some excellent and easy-to-implement ideas are presented, along with some good lessons...
Arizona Department of Education
Area and Perimeter of Regular and Irregular Polygons
Extend young mathematicians' understanding of area with a geometry lesson on trapezoids. Building on their prior knowledge of rectangles and triangles, students learn how to calculate the area of trapezoids and other irregular...
Curated OER
Math Games for Upper Elementary Students
Keeping skills sharp doesn't have to be a chore. It can be done with math games.
Curated OER
Multiplying With Nine As A Factor
Elementary math minds complete various activities to memorize the multiples of nine. They watch a PowerPoint presentation and demonstrate the finger trick. Unfortunately the link to the multiplication activities does not take you...
Curated OER
Lines of Symmetry, Shapes and Symbols
Which shapes are symmetrical? Third graders decide which shapes have lines of symmetry, and which shapes are not symmetrical. They work on 13 shapes and symbols, four of which have lines already drawn through them. Use this resource to...
Noyce Foundation
Circular Reasoning
Examine the origin and application of pi in five different levels. The five lessons in the resource begin with an analysis of the relationship between the radius and circumference of a circle. The following lessons lead learners through...
Curated OER
An Introduction To Volume
Upper graders explore the topic of volume. In this math lesson plan, pupils count volume in cubic units, multiply to find volume, estimate volume, write a multiplication sentence to find the volume, and make a cost analysis of different...
Curated OER
Math Dice Review Game
This lesson can be used to review any math operation across the elementary to high school levels. Students review math operations by creating their own review problems using a specified number of dice and a white board (or paper).Explain...
Curated OER
Fractions . . . Are They Intricate or Elementary?
Elementary schoolers add and subtract fractions and mixed numbers and identify equivalent fractions of the same number. They use marshmallows to help them add fractions.
NSW Department of Education
Relationships Between Formal Measurement Units: Measure and Record Mass in Kilograms and Grams
Teach the masses about the metric system with this hands-on measurement lesson. Given a fruit or vegetable, learners estimate, measure, and convert its mass using the metric units gram and kilogram.
Curated OER
Lesson 2: Measurement Tools
Elementary schoolers examine the uses of rulers, scales, and measuring cups. They determine the criteria for the use of each tool and visit different areas of school to find items that can be measured with these tools. Everyone takes...
Curated OER
Math Activity File
Third graders describe the difference between area and volume and also explain how various units of measure relate to one another.
Curated OER
Everyday Math Experiences
Students can put away the workbooks and experience a real world math day.
Education World
Thinking About Thanksgiving: Lessons Across the Curriculum
Bring two integrated curriculum resources about Thanksgiving to an elementary social studies unit. The first activity focuses on Squanto's contributions to the early Pilgrims' survival with a gardening activity in which learners add fish...
Scholastic
Study Jams! Place Value
Looking at large numbers can intimidate many young mathematicians. Use Zoe's place value machine to help learners understand the meaning behind each digit in a whole number. After learning about the ones, tens, and hundreds places,...
National Security Agency
Going Green with Graphs
In this unit designed for second graders, youngsters are introduced to conducting surveys and creating tally charts based on the data they gather. Students then construct bar graphs, and observe the relationships between the two types of...
K-5 Math Teaching Resources
2-D Shape Cards
Add some visual support to your elementary geometry lessons with this set of printable shape cards. From triangles and squares to octagons and nanogons, this simple resource can be used in countless ways to develop children's knowledge...
Curated OER
Multiplication Word Problems One Version 2
Our friends Kimberly, Ronald, and Gerald all go to the store. Miniature mathematicians multiply to find out how many items each of our friends bought. These straightforward word problems all involve multiplying numbers between one...
Curated OER
Add It Up In Number Ville! Adding 2-Digit Numbers With and Without Regrouping
Students explore adding 2-digit numbers. In this math lesson, students identify 2-digit numbers and use base ten blocks to practice adding. Students use addition to break a code.
Curated OER
Area Applet
Elementary math classes calculate the area of a shape and explain the correlation between the size of the perimeter and the areas that can be contained within that perimeter. They also explain the effect the shape of the perimeter has on...
Curated OER
Butterfly Lesson 2 - Monarch Caterpillar
Students study the Monarch Butterfly life cycle. In this Monarch Butterfly lesson, students examine what happens prior to a caterpillar hatching, how often it sheds its skin, and what the caterpillar goes through when it is preparing to...
Alberta Learning
Area and Perimeter of Irregular Shapes
Evaluate young mathematicians' understanding of area and perimeter with this series of three assessment tasks. Challenging students to not only calculate the area and perimeter of irregular shapes, but to explain in writing their...
K-5 Math Teaching Resources
Tangram Cutout
Challenge the spatial thinking of your young mathematicians with this printable tangram puzzle. Using different sized triangles, squares, and parallelograms, children must figure out how to fit all the shapes together to create a square.