How many shells did Sally sell by the seashore? Get your student in gear for math with this addition worksheet.

Not only does this worksheet bolster kids' addition skills, it's a great mental math exercise, too.

Kids use details from the word problems on this third grade math worksheet to construct and solve addition problems with two or three two-digit addends.

Children learn to identify and convert Roman numerals in this introductory worksheet.

In this worksheet, children use number lines to practice adding and subtracting decimals to the tenths and hundredths place.

Want to bulk up your second grader's two-digit addition skills? This super hero-themed worksheet will do the trick!

Give a kick to addition! Your little math ninja can practice two-digit addition and carrying (also called regrouping) with this worksheet!

Do your students know how to solve word problems without a given operation? This mixed operation assessment can help you gauge student understanding of two-digit subtraction and addition word problems.

Featuring word problems all about shopping and money, this worksheet is a great way to practice 3-digit addition.

Put your addition skills to the test with these puzzle boxes for second and third graders!

Go over adding two-digit numbers to one-digit numbers with this helpful worksheet.

Give your child's addition skills a boost with this second grade math worksheet that offers practice in two-digit addition using carrying.

Practice addition within 10 with this Halloween math workheet!

Children use their addition skills to decode a puzzle in this fun math exercise.

What is a math teacher's favorite dessert? Pi! Find more funny riddles by doing this worksheet--a perfect combination of math practice and brain teasers.

This resource gives your learners practice solving multi-step word problems with mixed operations. They will use addition, subtraction, or both operations.

Use this Arctic-themed resource with your students to practice multi-step word problems with mixed operations.

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

Spark curiosity and problem-solving skills in young learners with this engaging spring-themed math puzzle!

Math learners solve sports-themed addition and subtraction problems in this practice worksheet.

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

Practice using repeated addition to find the total number of objects in equal groups.

Children practice writing numbers from expanded forms, and expanded forms from numbers.