Use this resource to help your students develop their understanding of trapezoids and other two-dimensional shapes. Students will compare the attributes of trapezoids to those of other plane figures, such as triangles and ovals, in this geometry activity.

Your kindergarteners will look at the pictures each row and circle the item that does not belong with the others.

Your students will have fun looking at the pictures in each row and deciding which item is not like the others.

With this worksheet, your students will have fun circling the objects that do not belong with the others.

This worksheet will challenge your students to think about the differences and similarities within a group of objects.

Learn how to use doubles facts to solve other addition problems!

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!

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.

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

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.

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!

Your number 1 math star will love this starry pre-kindergarten and kindergarten math 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.

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.

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

Practice your fractions with a fun, visual activity! Your first grader will get to practice his fraction 1/3 by looking for shapes that are one third shaded.