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: Add and Subtract Ten on a Number Line [Pdf] Activity](https://d15y2dacu3jp90.cloudfront.net/images/attachment_defaults/resource/large/FPO-knovation.png "K 5 Math Teaching Resources: Add and Subtract Ten on a Number Line [Pdf] Activity")
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.
Mr. Martini's Classroom
Mr. Martini's Classroom: Picking Signs
Chose which sign addition or subtraction completes the expression. Click "How to do this" for further instructions.
Mr. Martini's Classroom
Mr. Martini's Classroom: Kids' Adding Up to 3
Practice addition facts up to three with this interactive exercise.
Mr. Martini's Classroom
Mr. Martini's Classroom: Kids' Adding Up to 4
Practice addition facts up to four with this interactive exercise.
Mr. Martini's Classroom
Mr. Martini's Classroom: Kids' Adding Up to 7
Practice addition facts up to 7 in this interactive exercise.
Mr. Martini's Classroom
Mr. Martini's Classroom: Kids' Adding Up to 8
Practice addition facts up to 8 with this interactive exercise.
Mr. Martini's Classroom
Mr. Martini's Classroom: Kids' Subtract Up to 9
Practice subtraction facts up to nine with this interactive exercise.
Mr. Martini's Classroom
Mr. Martini's Classroom: Kids' Subtract Up to 4
Practice subtraction facts up to four using this interactive exercise.
Mr. Martini's Classroom
Mr. Martini's Classroom: Subtracting With Multiple Choices Math Facts
Practice subtraction facts 4 to 9 with this interactive multiple choice activity.
Illustrative Mathematics
Illustrative Mathematics: 2.nbt Many Ways to Do Addition 2
This lesson plan has students exploring was to add and subtract numbers with multi-digits and place value.
Illustrative Mathematics
Illustrative Mathematics: 2.nbt One, Ten, and One Hundred More and Less
In this lesson plan students will understand place value using addition and subtraction.
Mangahigh
Mangahigh: Number: Use Inverses
Explore addition and subtraction and how they are related.
Illustrative Mathematics
Illustrative Mathematics: Peyton and Presley Discuss Addition
The purpose of this task is to support students in developing an understanding of a place value strategy for adding numbers. By using a representation to visualize the abstract notation, students will make sense of the strategy, adding...
Cool Math
Coolmath: Coolmath4kids: Addition
A set of seven short tutorials on addition. Begins with a basic introduction to how addition works, and covers topics such as using a number line, place value, and regrouping.