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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

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?

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

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

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

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

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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