Children will learn how to identify the greatest common factor of two numbers in this engaging math worksheet.

Use this glossary with the EL Support Lesson: Compare Common Denominators Methods.

This geometry activity calls for a blank sheet of paper, and an eye for angles. Students will construct common angles by following these simple instructions.

Help students build their number sense as they practice finding the least common multiple (LCM) in this helpful practice worksheet.

Use these cards to help students compare two strategies that involve finding common denominators.

In this fifth-grade worksheet, students will find common denominators in order to make adding fractions easier!

Use these vocabulary cards with the EL Support Lesson: Compare Common Denominators Methods.

Kids completing this third grade math worksheet multiply by 1 to solve each equation and also fill in a multiplication chart for the number 1.

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

In this fall-themed worksheet version of the popular game two truths and one lie, learners will solve three equations and determine which two equations are true and which one is false.

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

Travel through the hundreds chart on a quest to one.

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!

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!

Children practice their one-digit multiplication facts with this fall-themed math worksheet.

Find the answers to 16 one- and two-digit division problems in this playful holiday worksheet!

Children practice their one- and two-digit division facts with this fall-themed math worksheet.

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

This fun fraction worksheet introduces kids to the fraction 1/3.

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

Give learners targeted practice performing mixed operations with positive decimals in this one-page practice worksheet!