Worksheet
Curated OER

Addition: 2-Digit plus 2-Digit, No Regrouping

For Students 2nd - 3rd Standards
In this addition worksheet, students complete 30 problems, adding two, 2-digit numbers-no remainders. Worksheet includes links to answers and additional worksheets.
Worksheet
Curated OER

Addition: 2-digit + 2-digit - Regrouping

For Students 3rd Standards
In this addition learning exercise, 3rd graders focus on the addition of double digit numbers. Students solve for 30 problems using regrouping where necessary.
Worksheet
T. Smith Publishing

Easter Addition : Sums to 100

For Students 2nd - 3rd Standards
Around Easter time, if your class is working on adding two-digit sums with regrouping, this worksheet would make a colorful addition to your homework assignments. After solving 25 problems, they can color all of the eggs that have an...
Worksheet
Curated OER

St. Patrick's Day Subtraction

For Students 2nd - 3rd Standards
For this math worksheet, students solve 20 problems in which a single digit is subtracted from a 2 digit number. There is regrouping on the page which has a St. Patrick's theme.
Lesson Plan
Curated OER

The Beet Goes On

For Teachers 1st - 5th Standards
Root vegetables inspire the series of activities included here. Class members participate in activities related to language arts, social studies, science, visual art, and math. At first, the long list might feel overwhelming; however,...
Lesson Plan
Curated OER

Working Watermelon

For Teachers 2nd - 4th Standards
You're going to wish you had a watermelon for this lesson! Class members read about watermelons and make a salad in class to sample. They also perform estimates, measurements and calculations on a watermelon. They predict what percentage...
Professional Doc
Primary Resources

Primary Resources: Addition and Subtraction Higher Numbers

For Teachers Pre-K - 1st Standards
An extensive selection of teacher resources to aide in teaching and reviewing addition and subtraction of two and three digit numbers, inverse operations, counting on, and other mental strategies for addition and subtraction. Resources...
Lesson Plan
University of Texas

Inside Mathematics: Peanuts and Ducks [Pdf]

For Teachers 1st - 3rd Standards
This task challenges a student to demonstrate understanding of concepts involved in addition and subtraction. A student must be fluent with addition and subtraction within 100 and understand the relationship between addition and...
Lesson Plan
University of Texas

Inside Mathematics: Pocket Money [Pdf]

For Teachers 1st - 3rd Standards
This task challenges a student to demonstrate fluency in adding and subtracting whole numbers.
Lesson Plan
University of Texas

Inside Mathematics: Adding Numbers [Pdf]

For Teachers 2nd - 4th Standards
This task challenges a student to use knowledge of place value to solve a problem using a variety of strategies.
Lesson Plan
Student Achievement Partners

Illustrative Mathematics: Addition and Subtraction Fluency Set of Tasks [Pdf]

For Teachers K - 1st Standards
Students explore the relationship between addition and subtraction and develop an understanding of decomposing numbers in different ways in this first-grade lesson plan.
Unit Plan
E-learning for Kids

E Learning for Kids: Math: Movie Theater: Number Patterns

For Students 2nd - 3rd Standards
Caleb works in a movie theater. Can you help him serve foods and beverages to the customers?
Unit Plan
AAA Math

Aaa Math: Specific Place Values

For Students 2nd - 3rd Standards
Students review whole number place value through the hundreds and practice the skill through a series of self-check exercises and timed learning games.
Activity
AAA Math

Aaa Math: Place Values

For Students 1st - 4th Standards
Learners practice stating the value in the ones and tens place value.
Activity
AAA Math

Aaa Math: Inverse Relationship of Addition and Subtraction

For Students Pre-K - 1st Standards
This site introduces addition and subtraction fact families and provides an opportunity for students to practice the skill.
Activity
School Express

School Express: Online Addition

For Students Pre-K - 1st Standards
Great place to sharpen your addition skills. Start with basic facts and go all the way up to 3 digit addition with regrouping. You select the level of difficulty and the number of problems. You can also check your answer right away.
Activity
University of Regina (Canada)

University of Regina: Math Central: Place Value Activities

For Students K - 1st Standards
These hands-on activities help students in grades K-3 understand place value.
Activity
Beacon Learning Center

Beacon Learning Center: Checking Subtraction

For Students Pre-K - 1st Standards
Students can explore the inverse relationship of addition and subtraction in this interactive web lesson.
Interactive
Mr. Martini's Classroom

Mr. Martini's Classroom: Adding With Multiple Choice Answers

For Students Pre-K - 1st Standards
Practice addition facts 4 to 9 with this interactive multiple choice activity.
Interactive
ABCya

Ab Cya: Math Bingo

For Students K - 1st Standards
Practice addition, subtraction, multiplication, and division with the game of Bingo.
Activity
K-5 Math Teaching Resources

K 5 Math Teaching Resources: Add and Subtract Ten on a Number Line [Pdf]

For Students 1st - 2nd Standards
Students will roll a die and follow the directions to explore adding and subtracting on a number line.
Unit Plan
Scholastic

Scholastic: Study Jams! Math: Relate Adding, Subtracting

For Students 1st - 4th Standards
Watch a short video on the relationship between addition and subtraction then assess your knowledge with practice questions.
Interactive
Mr. Martini's Classroom

Mr. Martini's Classroom: Mr. Martini's Classroom: Adding Objects

For Students Pre-K - 1st Standards
Practice addition facts 1 to 9 with numbers and pictures in this interactive game.
Interactive
Mr. Martini's Classroom

Mr. Martini's Classroom: Kid's Big Numbers

For Students K - 1st Standards
Students practice place value of whole numbers using base ten blocks.