Multiplying by 3 is easier than multiplying by other numbers because of a certain pattern. When you multiply any number by 3, the digits of the answer must add up to a multiple of 3.

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.

Kids completing this third grade math worksheet multiply by 3 to solve each equation and also fill in a multiplication chart for the number 3.

Hone student's understanding of place value and three-digit numbers with this second grade math worksheet!

Find facts fast as you add 3 and subtract 3 in this engaging worksheet!

Learners will solve 20 two- and three-digit addition problems in this versatile practice worksheet.

Give students practice adding three-digit numbers within 1,000! 

Boost two- and three-digit subtraction skills with this comprehensive worksheet! 

Learners will solve 12 three-digit subtraction problems in this engaging math worksheet.

Practice two strategies for solving three-digit subtraction problems.

Master your multiplication and division with the number 3 in this helpful worksheet!

Children will put their three-digit addition skills to the test as they solve 23 practice problems in this math worksheet.

Continue practicing with two strategies for solving three-digit subtraction problems.

Review three-digit addition and subtraction by solving these dino-riffic word problems.

Help math learners review the divisibility rule for 3 with this fun practice worksheet!

Master three-digit by two-digit multiplication with this fifth-grade worksheet!

Use this glossary with the EL Support Lesson Plan: 3-D Scavenger Hunt!

Improve those skills! Practice three-digit addition with these twelve problems.

Get even more practice performing three-digit addition using open number lines with this second-grade math worksheet!

On this second grade math worksheet, kids go from egg to egg solving subtraction problems with three-digit numbers.

Get even more practice performing three-digit subtraction using an open number line with this second-grade math worksheet!

This coloring page dot-to-dot uses skip counting as an unexpected way to tie in multiplication learning and reviewing multiples of three!

Kids solve addition problems with three-digit addends to move from bubble to bubble on this second grade math worksheet.

Help Rex the Robot get home with a fun picture fraction sheet! This is a great introduction to simple fractions, such as 1/2, 1/3 and 1/4.

Build students' understanding of place value and three-digit numbers with this second grade math worksheet!

Children practice finding the sum of two three-digit whole numbers, with no regrouping, in this math worksheet.

Use these cards to help students see the difference between adding three-digit numbers using the standard algorithm and expanded notation.

Hip, hip, hooray! Children learn three strategies for solving multiplication problems in this third grade math worksheet.

Improve student's understanding of place value and three-digit numbers with this second grade math worksheet!

Use this thought-provoking worksheet to facilitate conversations as students seek to compare, contrast, and think deeply about different three-digit numbers.