Your kindergarteners will look at the pictures each row and circle the item that does not belong with the others.

Your students will have fun looking at the pictures in each row and deciding which item is not like the others.

With this worksheet, your students will have fun circling the objects that do not belong with the others.

Kids count and color in this one-to-one correspondence worksheet.

This worksheet will challenge your students to think about the differences and similarities within a group of objects.

Children will enjoy counting (and perhaps eating!) the rainbow with this fun one-to-one correspondence practice worksheet.

Identify numbers that are one less than another number with this kindergarten worksheet!

One more vegetable! This worksheet will have your students figuring out what happens when you add one more vegetable to the existing list.

Help kids grasp the concept of subtraction by taking one away in this worksheet.

In this worksheet, students will identify, count, and order numbers from 1-10 in order to gain a better understanding of one-to-one correspondence between numbers and pictures.

Use this glossary with the EL Support Lesson: One Less.

Ask your kindergartener to complete these one-digit subtraction facts, and they'll go above and beyond kindergarten standards in no time!

Kids count the number of buttons on each shirt and draw lines from the number 1 to the shirts that have one button on this prekindergarten math worksheet.

Learn the number 1 with this early math worksheet!

Your number 1 math star will love this starry pre-kindergarten and kindergarten math worksheet!

One of these animals is heavier than the other! Teach your child about the concept of weight with this measurement worksheet.

Use these vocabulary cards with the EL Support Lesson: One Less.

Kindergarten students are excited to practice their addition skills. As they grow to become better mathematicians, use this fun worksheet to help them understand what happens when you add one more.

Help students learn simple addition by exploring the concept of "plus one" in this worksheet.

Children practice counting and comparing amounts in this numbers 1-10 math worksheet.

Kids color a rabbit and trace the number 1 several times to practice counting, identifying, and writing numbers on this prekindergarten math worksheet.

This preschool math and coloring worksheet focuses on the number 1. Kids color all of the spaces with the number 1 to reveal a hidden shark picture.

Use this glossary with the EL Support Lesson: Which One Is Bigger?

Give your little counter a head start on her numbers! This number puzzle will make up the number "1" when put together correctly.

Use this glossary with the EL Support Lesson: 1, 2, 3 Numbers!

Children can practice counting, ordering, and identifying numbers 1 to 20 with this set of number cards.

Help your kindergartener learn to recognize both forms of numbers 1-10 with this colorful cut-and-paste activity.