Use this glossary with the EL Support Lesson Plan: Triangle Time.

Use these vocabulary cards with the EL Support Lesson Plan: Triangle Time.

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

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

Can your kindergartener recognize triangles? Give her some extra practice with this worksheet. She'll draw triangles and pick them from a box of other shapes.

Build student understanding of the defining attributes of triangles with this sorting activity. Students will cut out different shape cards and sort them into examples and non-examples of triangles.

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

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

This printable worksheet includes six different shapes: Rectangle, circle, hexagon, rectangular prism, sphere, and triangle. Can they match the shape to its name?

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

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

All of these pictures are hiding some sneaky triangles. Can your kindergartener find them all in this colorful worksheet?

Find all the triangles in this fun shapes coloring worksheet!

Here's a colorful math challenge for your kindergartener: can he count up all the triangles in the birthday party scene?

Can your first graders tell the difference between a square and a cube? How about a triangle and a cone? Use this geometry assessment to gauge your students’ abilities to use attributes to sort 2-D and 3-D shapes.

How many triangles do you see? Introduce your young student to shapes and beginning geometry concepts with this fun coloring sheet.

This worksheet challenges your preschooler to decide which two triangles are the same shape and size.

Children will take note of the everyday shapes that surround them in this fun geometry activity.

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

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

Trace, then color, then write, all while getting familiarized with basic shapes: circles, squares, triangles and rectangles.

What does one semicircle, two parallelograms, three triangles and a rectangle add up to?

In this geometry worksheet, children learn to calculate area two ways!

Learn the difference between parallel and perpendicular lines with this helpful tracing worksheet!

Help your third-grader learn to recognize quadrilaterals with this geometry worksheet.

Are your students ready to learn about equal shares? Then, this worksheet is for them!

Circles and triangles and squares, oh my! Can your child find all the hidden shapes in this cute coloring page?

Help your child learn how to recognize congruent shapes with this fun worksheet.

Learn to multiply single-digit numbers using area models in this colorful worksheet!

How can a few triangles and a rectangle make an airplane? Show your kindergarten the magic of shapes with this fun cut and paste activity.