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Showing Results for properties of triangles

Classifying figures by features is a fundamental geometry skill. Use this lesson plan to teach your students how to categorize triangles by internal angle types. 

Classifying Triangles by Internal Angles

In this lesson, your students will explore the properties of solids and learn to describe them in various ways.


A Solid Investigation

You'll see angles from every angle! Students will describe and compare different angles they see in everyday situations. Use this lesson on its own or use it as support to the lesson Classifying Triangles by Internal Angles.

Describing Angles

In this lesson, students will use a multi-sensory approach by engaging in a hands on activity with toothpicks to create, explore, and learn about the properties of four different types of angles.

All About Angles

In this lesson, students engage in interesting hands-on activities that help them discover the properties of parallel, perpendicular, and intersecting lines. Your little mathematicians will have a blast as they learn about geometry.

What's My Line?

Show your class how combining two objects can create a new object in this hands-on science lesson. Students will learn why breaking apart an object doesn't change its mass.

All About Matter: Chemical vs. Physical Changes

Adding fractions with unlike denominators just doesn't work like it does when the denominators are the same. Let's make it work! Students will add fractions with unlike denominators with sums between one and two.

Make It Work! Adding Fractions with Unlike Denominators

Use this lesson with your students to allow them to explore the associative property of multiplication by having deep discussions in small groups. Use this as a stand alone lesson or alongside *Associative Property of Multiplication*.

Explore the Associative Property of Multiplication

Animals and spots are used to make multiplication interesting! In this lesson, students will practice multiplying one digit numbers.

Animal Spots: Multiplication Practice

Teach your students to recognize and use the associative property of multiplication.

Associative Property of Multiplication

Teach your students to predict and explain features of scaled regular shapes.

Shapes to Scale

Teach your students to recognize and use the distributive property of multiplication.

Distributive Property

How are quadrilaterals connected? In this lesson, your students will learn about the relationship between quadrilaterals by drawing, defining, and labeling different ones.

Are You Connected to Me?

Let's talk about the distributive property! Give students a chance to explain their thinking of how and why this property of multiplication works. This lesson may be taught as a standalone or as support to the lesson Distributive Property.

Justifying the Distributive Property

Teach your students fair shares with this hands-on resource. Using this lesson plan, your class will create, label, and illustrate sums for fair shares using a folded paper model.

A Fair Share of Fractions

Science can be sticky! This interactive lesson with an ooey-gooey ending will solidify your students&#39; understanding of the states of matter!

What's the Matter? Solids, Liquids, and Gases!

Your students will go bonkers for bingo as they play this baffling multiplication game! Who will get five in a row first?

Multiplication Bingo: Two-Digit Numbers

Get your students excited to learn about fractions with this hands on lesson. Working in groups will help students learn from each other and share ideas.

Parts of a Set: Fractions

On some level, all humans want to feel peace and to feel loved. In this lesson, students will practice sending peaceful thoughts to themselves and others and discuss how these practices can support peace in their lives and community. 

We Are Peacemakers

Enhance your students' multiplication toolbox by teaching them the lattice strategy for multiplication. Use this lesson as a standalone or as a prelesson to Multiplication Bingo: Two-Digit Numbers.

The Lattice Method for Multiplication

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