Have a blast coloring in this mandala made up of triangles and the number 3. This is a great way to remember that a triangle has three sides.

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.

Use this glossary with the EL Support Lesson: Addition Problem Solving.

Use these vocabulary cards with the EL Support Lesson: Addition Problem Solving.

On this prekindergarten math worksheet, kids draw a line along the path that shows triangles to get to the barn.

How many sides does a triangle have? Three! Sort shapes that have three sides and shapes that don't have three sides with this wacky worksheet.

Pattern blocks are a great way for children to explore problem-solving strategies. In this social emotional learning worksheet, young learners are guided to create images of rabbits and gifts using only a certain number of pattern blocks.

A farmer needs to get to his piglets! On this prekindergarten math worksheet, kids draw a line along the path of triangles and rectangles to get to the piglets.

Is it a square? Is it a triangle? This cut and paste worksheet will help your child categorize quadrilaterals, which are four-sided shapes.

What's the connection? Make lines between the dots to create triangles with this dotty worksheet.

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.

Let's try to find triangles! On this prekindergarten math and coloring worksheet, kids find and color all the triangles!

Ask your child to find all the triangles in this worksheet on identifying shapes. He'll hone his skill of identifying shapes, a key part of basic geometry.

Shape up those problem solving skills with a fun block puzzle activity, comparable to tangram puzzles!

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!

Find the facts within the number triangles in this engaging subtraction worksheet!

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

Learning simple shapes is fun with this cute printable maze that helps preschoolers practice recognizing triangles.

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

Snowed in? Snow problem! Celebrate the winter season with this colorful logic puzzle!

In this worksheet, kids find the answer to the subtraction problem by crossing out the fish.

Get in the fall spirit with this simple subtraction problem perfect for the young mathematician in your life.