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.

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.

Find all the triangles in this fun shapes coloring worksheet!

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

Give your little one some gold-star subtraction practice with this worksheet! Have her use the space visual aids to find the answer to the subtraction problem.

This 4th of July picnic is full of shapes! Help your preschooler learn to identify circle, stars, triangles and squares that are hidden in this scene.

Count the number of vegetables in each box to find the answer to each of the addition problems.

Complete this musical-themed addition worksheet by counting the total number of instruments to find the answers to the problems.

Children will enjoy matching familiar foods and objects to their corresponding shapes in this appealing worksheet.

Kids cut out pictures to put silly, mixed-up shapes back together on this prekindergarten math worksheet.

Help your busy bee get some addition practice in on Easter with this addition worksheet. She'll use visual clues to help her tally up addition problems.

Kindergarten students are practicing their addition skills! Help them practice adding one more using this helpful worksheet.

In this preschool math worksheet, your child will practice sorting and categorizing to figure out what doesn't belong.

A counting and addition worksheet for preschoolers, featuring a bird theme.

What if more blind mice were added to the three blind mice? Help your child practice her counting with this nursery rhyme intro to addition!

No matter what the season, preschoolers will love to learn to count with this fun, easy "Addition with Pictures" worksheet featuring fall leaves.

Help your learner's love for numbers blossom with this spring-themed counting worksheet!

Learn the names of numbers in this bright, inviting worksheet!

See how many ladybugs you can spot in this preschool and kindergarten worksheet!

The rain has washed away numbers in these sequences—can you finish them?

Learners will love counting and writing numbers 1–20 in this St. Patrick’s Day themed-worksheet!

How many hats are in each set? Practice counting 1–20 in this St. Patrick’s Day themed-worksheet!

Get ready for an egg-citing adventure as young learners dive into this Easter-themed counting worksheet!

How many pots of gold are in each set? Practice counting 1–20 in this St. Patrick’s Day themed-worksheet!

Cleverly consider the clues to choose which cool new coat belongs to Cam!