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

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

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 how to identify an isosceles triangle with this geometry worksheet.

Your child will add up the dice to build a fact family number sentence. Then, she will use her math skills to complete the fact family triangle.

Your child will use his knowledge of inverse operations to build another fact family number sentence and even complete a fact triangle.

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

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

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

Circle, cheese, triangle, square: One of these things does not belong in this group. Help your child figure out the outlying object with this worksheet.

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 the facts within the number triangles in this engaging subtraction 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?

Build subtraction sentences with fact family triangles in this engaging worksheet!

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.

Use these vocabulary cards with the EL Support Lesson Plan: Fact Family Triangles.

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

Students will love getting to make and cut out their own fact family triangles as they practice writing three related numbers.

Focus on fact fluency within 10 in this colorful addition worksheet!

Challenge your third grader to figure out the addition and subtraction patterns on this worksheet.

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

Master your addition facts with this colorful, inviting math worksheet!