In this worksheet, children will learn about a few common resource materials and how to search for information in them alphabetically.

Create a mini guide that can serve as a useful reference when completing the activities in the workbook "Hooray for Arrays" and others.

Your scholars will break down their vocabulary words with inflected endings into the base form in order to successfully locate a dictionary entry.

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.

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.

This discussion guide helps readers reflect on chapters 1–38 of The One and Only Ivan.

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.

This mini-book is a super handy reference tool for students learning multiplication.

Help students remember the four main types of sentences with this convenient reference sheet!

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.

Use this glossary with the EL Support Lesson: One More Please!

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

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

Learners will practice dividing two-digit numbers by one-digit numbers in this division without remainders worksheet.

Practice one- and two-digit division facts with this 20-problem worksheet!

Children practice their one-digit multiplication skills with this Thanksgiving math worksheet.

This colorful diagram is a handy reference guide for kids learning basic body systems.