Your first grader will soar high above the skies as he completes addition problems with sums of 9 or less in this math worksheet.

This fun printable shows the 1st day of Christmas in this classic song. Your child can practice reading and counting while getting into the holiday spirit.

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

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.

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.

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

Learn the number 1 with this early math worksheet!

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.

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

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

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.

Learners will take on 20 one-digit addition problems in this sweet springtime 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.

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.

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

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

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

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

Practice place value and addition and see where the two intersect with this hundreds chart that teaches how to add in groups of ten and one.

A worksheet for 1st-graders on money-counting and addition.