Practice adding one to numbers within 10 with this first-grade addition worksheet!

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

Travel through the hundreds chart on a quest to one.

Give your first grader's math skills a boost with this delightful worksheet that asks them to complete a collection of one-digit addition problems.

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.

Nail down those 1-2-3s with this tool shed full of numbers! Your little counter will review his colors to fill in the right color for each number.

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

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

Learn the number 1 with this early math worksheet!

How high can you count? First graders will strengthen their understanding of ones and tens with this hundreds chart. Students will fill in the missing numbers up to 120 and then answer questions using the chart.

Which one is longer? Practice quantifying things in measurements using this beginner's worksheet!

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

Help your kid understand what one-fourth means with this introduction to fractions.

Can your first grader count from 1 to 50? Test his counting and writing skills with this colorful printable.

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 your first grader get a handle on the fraction one-half with this printable math worksheet.

Children add 10 or 1 to move through the hundreds chart to get to 100 in this fun addition worksheet.

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

Ready, set, go! Start the timer and get going on this one-minute math addition practice.

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

Dive into one- and two-digit counting practice with this fun worksheet!

Get your kid into a fraction frenzy with this easy-to-understand worksheet that introduces them to one-half.

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.

Build fluency by identifying one more and ten more than a given number within 100 with this worksheet!

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