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

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

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

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.

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

Learn the number 1 with this early math worksheet!

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

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

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.

Each row on this prekindergarten science worksheet has four pictures. One picture does not belong! Kids circle the odd picture out.

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.

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.

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

Alligator needs to take his first swing at hole number 1! Can your kid help him spot that very first number?

Practice finding numbers that are one less with this hands-on worksheet!

Use these vocabulary cards with the EL Support Lesson: Which One is Bigger?