Curated OER
Addition: 2-Digit plus 2-Digit, No Regrouping
In this addition worksheet, students complete 30 problems, adding two, 2-digit numbers-no remainders. Worksheet includes links to answers and additional worksheets.
Curated OER
Addition: 2-digit + 2-digit - Regrouping
In this addition learning exercise, 3rd graders focus on the addition of double digit numbers. Students solve for 30 problems using regrouping where necessary.
T. Smith Publishing
Easter Addition : Sums to 100
Around Easter time, if your class is working on adding two-digit sums with regrouping, this instructional activity would make a colorful addition to your homework assignments. After solving 25 problems, they can color all of the eggs...
Curated OER
St. Patrick's Day Subtraction
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.
Curated OER
The Beet Goes On
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,...
Curated OER
Working Watermelon
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...
Primary Resources
Primary Resources: Addition and Subtraction Higher Numbers
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...
![Inside Mathematics: Peanuts and Ducks [Pdf] Lesson Plan](https://d15y2dacu3jp90.cloudfront.net/images/attachment_defaults/resource/large/FPO-knovation.png "Inside Mathematics: Peanuts and Ducks [Pdf] Lesson Plan")
University of Texas
Inside Mathematics: Peanuts and Ducks [Pdf]
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...
University of Texas
Inside Mathematics: Pocket Money [Pdf]
This task challenges a student to demonstrate fluency in adding and subtracting whole numbers.
University of Texas
Inside Mathematics: Adding Numbers [Pdf]
This task challenges a student to use knowledge of place value to solve a problem using a variety of strategies.
Student Achievement Partners
Illustrative Mathematics: Addition and Subtraction Fluency Set of Tasks [Pdf]
Students explore the relationship between addition and subtraction and develop an understanding of decomposing numbers in different ways in this first-grade lesson plan.
E-learning for Kids
E Learning for Kids: Math: Movie Theater: Number Patterns
Caleb works in a movie theater. Can you help him serve foods and beverages to the customers?
AAA Math
Aaa Math: Specific Place Values
Students review whole number place value through the hundreds and practice the skill through a series of self-check exercises and timed learning games.
AAA Math
Aaa Math: Place Values
Learners practice stating the value in the ones and tens place value.
AAA Math
Aaa Math: Inverse Relationship of Addition and Subtraction
This site introduces addition and subtraction fact families and provides an opportunity for students to practice the skill.
School Express
School Express: Online Addition
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.
University of Regina (Canada)
University of Regina: Math Central: Place Value Activities
These hands-on activities help students in grades K-3 understand place value.
Beacon Learning Center
Beacon Learning Center: Checking Subtraction
Students can explore the inverse relationship of addition and subtraction in this interactive web lesson.
Mr. Martini's Classroom
Mr. Martini's Classroom: Adding With Multiple Choice Answers
Practice addition facts 4 to 9 with this interactive multiple choice activity.
ABCya
Ab Cya: Math Bingo
Practice addition, subtraction, multiplication, and division with the game of Bingo.
K-5 Math Teaching Resources
K 5 Math Teaching Resources: Add and Subtract Ten on a Number Line [Pdf]
Students will roll a die and follow the directions to explore adding and subtracting on a number line.
Scholastic
Scholastic: Study Jams! Math: Relate Adding, Subtracting
Watch a short video on the relationship between addition and subtraction then assess your knowledge with practice questions.
Mr. Martini's Classroom
Mr. Martini's Classroom: Mr. Martini's Classroom: Adding Objects
Practice addition facts 1 to 9 with numbers and pictures in this interactive game.
Mr. Martini's Classroom
Mr. Martini's Classroom: Kid's Big Numbers
Students practice place value of whole numbers using base ten blocks.