CK-12 Foundation
Ck 12: Elem Math: Inequalities With Addition and Subtraction
[Free Registration/Login may be required to access all resource tools.] Students attempt practice problems on solving basic inequalities with addition and subtraction.
Texas Instruments
Texas Instruments: Number Line
In this activity, students explore addition and subtraction of integers.
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: Math Word Problems for Children
Solve addition and subtraction word problems using a number line in this interactive exercise.
Better Lesson
Better Lesson: Applying the Basics!
Using base-ten materials and place-value skills, 2nd graders gain a better understanding of how to add and subtract numbers.
Scholastic
Scholastic: Math Maven's Mysteries: The Case of the Hatcher Hotel Heist
Help Math Maven solve this mystery! Items are missing from several hotel rooms, but some addition and subtraction clues have been left behind. Use your skills to figure out where the thief will strike next!
Other
Xtra Math
[Free Registration/Login Required] XtraMath is an excellent site for students to practice their basic number facts and develop automatic recall. Teachers can register for a free account and are then guided through the steps for setting...
Texas A&M University
Wtamu Virtual Math Lab: Beginning Algebra: Adding and Subtracting Polynomials
A tutorial as an introduction to polynomials. Basic terminology and simple algebraic manipulations. Offers discussions and practice exercises with answers and explanations.
Primary Resources
Primary Resources: Follow Me "Loop" Math Games
An extensive collection of premade cards for "loop" games in math. These "I have, Who has?" cards are available for counting on and back, capacity, place value, addition, subtraction, multiplication, division, fractions, decimals, money...
Mr. Martini's Classroom
Mr. Martini's Classroom: Kids' Subtract Up to 9
Practice subtraction facts up to nine with this interactive exercise.
Varsity Tutors
Varsity Tutors: Aplus Math: Timed Flashcards
Practice your basic facts in addition, subtraction, multiplication, and division using these timed flashcards. Answers must be completed within a ten second time frame. Choose to play a set of twenty-five or fifty flashcards per session.
Teaching Treasures Publications
Teaching Treasures: Year Two Math (Page 3)
Review basic addition and subtraction facts using this interactive worksheet. Problems are presented in horizontal format and offer immediate feedback. With only ten problems, this worksheet could also be used for a quick review or short...
Teaching Treasures Publications
Teaching Treasures: Year One Math (Page 2)
Review basic addition and subtraction facts with this interactive worksheet that offers immediate feedback. Use this tool for a quick review or assessment of these skills.
Teaching Treasures Publications
Teaching Treasures Picture Math Grades K 1 (Page 3)
Use this colorful, interactive picture worksheet to practice basic addition and subtraction facts. An easy to grasp activity that allows learners to check their answer immediately.
Fun Brain
Fun Brain: Math Car Racing Game
Players must choose the mathematical expression with the highest value to win. Tests understanding of basic arithmetic skills involving the addition, subtraction, multiplication, and division of whole numbers.
Toy Theater
Toy Theater: Math Bingo
Play bingo by solving addition, subtraction, multiplication or division problems. The game can be played at several speeds.
University of Cambridge
University of Cambridge: Nrich: Game Pass the Peas, Please
Use this game to improve your subtraction or addition skills. Gain skills in two areas at the same time! There is a "Get Printable Page," link at the top to print out materials you need. This game can also be altered to practice...
University of Cambridge
University of Cambridge: Nrich: Game Criss Cross Quiz
Use this online game to improve your subtraction or addition skills while you play on a coordinate plane gameboard. Gain skills in two areas at the same time! This game can also be altered to practice multiplication facts. There is a...
Teaching Treasures Publications
Teaching Treasures: Year One Timed Mental Math (Page 3)
Try to solve ten addition or subtraction problems in less than five minutes using this interactive worksheet. Immediate feedback is given. A suitable tool for use as a quick assessment.
Other
Sumdog Teacher Portal: One More, One Less
This engaging lesson plan introduces students to basic addition and subtraction by adding or subtracting one. Teachers can create a free Sumdog account and usernames for their students to practice the skills through online learning games.
Can Teach
Can Teach: Who Has More or Less?
Want to practice addition and subtraction skills in a new and exciting way? Use this online math lesson card game activity.
CK-12 Foundation
Ck 12: Elem Math: Adding and Subtracting Lengths in Two Steps
[Free Registration/Login may be required to access all resource tools.] This resource is a video that demonstrates using two different steps with addition or subtraction to solve a word problem. Practice word problems follow using two...
Learning Wave Communications
Learning Wave: Decimals
This resource contains several links that lead to discussions on several topics of decimals, including converting and comparing with fractions, rounding, estimating, and basic operations. Each page includes examples and some sample...
Illustrative Mathematics
Illustrative Mathematics: Field Day Scarcity
Students will learn about managing money and scarcity while practicing addition and subtraction. They will be given a certain amount of money to spend at a fictitious store. Included are discussion questions about how students decided to...