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Showing Results for of a triangle

Children find the unknown angles for five triangles, then identify whether the triangle is right, acute, or obtuse, in this geometry worksheet.

Triangle Angles

This worksheet will introduce your child to the three types of triangles: the equilateral triangle, the isosceles triangle and the scalene triangle.

Three Types of Triangles 

Let your fourth grader play triangle detective: can she spot the acute triangles on this worksheet?

Identifying Triangles: Acute Triangles

Help your child learn how to identify an isosceles triangle with this geometry worksheet.

Isosceles Triangles

Find the missing angle in a triangle using addition and subtraction.

Tri-Angles

Help your child practice identifying equilateral triangles on this geometry worksheet.

Equilateral Triangles

This colorful worksheet asks your fourth grade geometry detective to practice identifying right triangles.

Identifying Triangles: Right Triangles

Help your child learn to recognize scalene triangles with this worksheet.

Scalene Triangles

See if your child can find all the triangles hidden on this geometry worksheet.

Count the Triangles

How much does your fourth grader know about triangles? Can he figure out the missing angle in each of these triangles?

The Missing Angle: Triangles

On this geometry worksheet, your third-grader will look at the different triangles and label them as equilateral, isosceles, or scalene

Identifying Triangles

Is your fourth grader reluctant to practice geometry? This colorful worksheet, which explores obtuse triangles, may be just what he needs!

Obtuse Triangles: Identifying Triangles

Teach your students to sort triangles as acute, right, or obtuse based on their internal angle type.

Sorting Triangles

Fifth graders review types of angles, triangles, and polygons in this handy geometry review.

Geometry Review: Angles and Polygons

Challenge your students to identify or draw 18 different geometric shapes, including polygons, quadrilaterals, and triangles.

Geometry Task Cards

In this fourth grade geometry worksheet, your child will learn how to calculate the area of a hexagon by breaking it down into rectangles and triangles first.

Calculating the Area of a Hexagon

In this fourth grade geometry worksheet, your child will learn how to calculate the area of a pentagon by breaking it down into rectangles and triangles first.

Calculating the Area of a Pentagon

Is your child in need of a geometry review? This worksheet covers the basic 2-D shapes, from circles and triangles to pentagons and hexagons.

2-D Shapes: Fill in the Table

Strengthen your child's geometry skills with this printable worksheet. Use this resource with your students to classify two-dimensional shapes like parallelograms, quadrilaterals, squares, and triangles.

Categorize These Shapes!

Use this resource to help your students develop their understanding of trapezoids and other two-dimensional shapes. Students will compare the attributes of trapezoids to those of other plane figures, such as triangles and ovals, in this geometry activity.

Geometry: Comparing Trapezoids & Other Shapes

Learn more about geometry by creating a 3-D triangular pyramid! Color, cut, fold and glue together the flaps to create a triangular pyramid.

Triangular Pyramid

Kids get to know shapes better by counting their line segments, endpoints, and angles, and record the info in this handy chart.

Shape Basics: Lines, Endpoints, and Angles

Learn more about geometry by creating a paper triangular prism! This triangular prism makes for fun math learning and a great decoration.

Triangular Prism

This little chick is so cute that your child will want to make a whole flock to call her own.

Little Chick

This game is a great way to help your child remember the names of shapes. Give it a go and before you know it, your kid will have all her shapes down pat.

Shape Identification

Have your child observe, measure and record the amount of space objects occupy, and you'll have an inside space explorer on your hands in no time!

Area and Volume

Take the spookiness out of spiders with this web-making activity! Your child will practice talking about and creating shapes in this Halloween craft, and learn about spiders along the way.

Spider Web Shapes

Geometry is a core of mathematics in the early years. Help students recognize and draw shapes given specific attributes such as the number of corners and sides. This lesson can be a stand-alone activity of paired with 2-D Shapes!

Sides, Corners, and More, Oh My!

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