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.

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

Bus #3 needs to get to some houses! Help your child practice his number sense by looking for multiples of three.

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.

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.

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

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

With over 40 three-digit subtraction problems, this worksheet is packed with extra practice.

Continue practicing with two strategies for solving three-digit subtraction 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!

This worksheet will introduce your child to the three types of triangles: the equilateral triangle, the isosceles triangle and the scalene triangle.

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

Practice three-digit addition with regrouping in this set of 36 problems.

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.

What makes a sphere unique compared to other shapes? Does it share any similarities? Use this resource with your young mathematicians to practice identifying the characteristics of this three-dimensional shape and comparing it to other shapes.