Activity
Cool Math

Coolmath: Coolmath4kids: Printable Flash Cards

For Students K - 1st
Find here flashcards for addition, subtraction, multiplication, and division for printing off and coloring.
Activity
Education.com

Education.com: Jelly Bean Subtraction

For Teachers Pre-K
[Free Registration/Login Required] This picture-perfect picnic is all set for some subtraction practice! Count up the jelly beans to find out how many got eaten. This picture problem is a great first step to helping your child understand...
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Varsity Tutors

Varsity Tutors: Aplus Math: Timed Flashcards

For Students Pre-K - 1st
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.
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Varsity Tutors

Varsity Tutors: Aplus Math: Flashcard Creator

For Students Pre-K - 1st
Create and print your own flashcards to practice your basic math facts. Choose either addition, subtraction, multiplication, or division, as well as which sets of numbers you would like to practice. The flashcards come in sets of twelve,...
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Varsity Tutors

Varsity Tutors: Aplus Math: Flashcard Creator

For Students Pre-K - 1st
Create and print your own flashcards to practice your basic math facts. Choose either addition, subtraction, multiplication, or division, as well as which sets of numbers you would like to practice. The flashcards come in sets of twelve,...
Activity
University of Cambridge

University of Cambridge: Nrich: Game Asteroid Blast

For Students Pre-K - 1st Standards
Use this game to improve your addition, subtraction, multiplication, and division basic facts. Practice all these skills and have fun at the same time! There is a "Get Printable Page," link at the top to print out the materials you need.
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Varsity Tutors

Varsity Tutors: Aplus Math: Non Java Flashcards (Mixed Topics)

For Students 3rd - 8th
Find a great selection of non-Java math flashcard activities. Choose from an index of flashcard topics of a variety of difficulty levels. Topics include: basic and advanced addition, subtraction, multiplication, and division, algebra,...
Activity
University of Cambridge

University of Cambridge: Nrich: 2, 4, 6, 8

For Students Pre-K - 1st Standards
On this one page website sharpen your logic, addition, and subtraction skills while working on this challenge. The solution is available to double check your solution.
Interactive
Toy Theater

Toy Theater: Math Flashcards

For Students 2nd - 5th
You decide what you kind of flashcards you want to practice: addition, subtraction, multiplication, or division. Type in the answer and click "Get Answer". Click "Next" to get the next flashcard. The game keeps track of the number right,...
Unit Plan
E-learning for Kids

E Learning for Kids: Math: Carnival Parade in Rio: Addition and Subtraction

For Students 3rd - 5th Standards
Help keep the carnival parade safe by helping officer Davi with his addition and subtraction!
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: Fact Families

For Teachers 1st - 2nd Standards
As a whole class, the teacher presents students with 3 numbers on cards, such as 5, 8, and 3. The teacher asks the students to find all the ways the numbers can be put together in addition or subtraction sentences. This lesson includes...
Activity
Math Fact Cafe

Math Fact Cafe

For Students Pre-K - 1st
This site provides math fact sheets and flashcards for parents and teachers. Access hundreds of pre-generated math sheets, or create custom sheets to meet your own special needs.
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: Incredible Equations [Pdf]

For Teachers 1st - 3rd Standards
This task challenges a student to demonstrate understanding of concepts involved in addition and subtraction.
Website
Other

Xtra Math

For Students 1st - 6th
[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...
Interactive
Room Recess

Math Facts Game

For Students Pre-K - 1st Standards
Math Facts Game is game that allows for a flash card race method to allow students to practice basic math skills such as addition, subtraction, multiplication and division.
Whiteboard
ClassFlow

Class Flow: Addition to Twenty

For Teachers Pre-K - 1st
[Free Registration/Login Required] This flipchart provides opportunities for children to recall their addition and subtraction facts for numbers to twenty.
Activity
Scholastic

Scholastic: Math Maven's Mysteries: The Cuckoo Caper

For Students 3rd - 8th
The famous Clockenheimer Cuckoo is missing from Clockenheimer Clocks on Main Street! Help Math Maven get it back by solving a math riddle.
Professional Doc
Books in the Classroom

Carol Hurst's Children's Literature Site: Computation and Picture Books

For Teachers Pre-K - 1st Standards
This sample chapter from Hurst's book Picturing Math is an excellent resource for using picture books and activities for learning computation.
Activity
NumberNut

Number Nut: Subtraction: 3 Digit Numbers

For Students 3rd - 8th Standards
A brief lesson on subtracting from three-digit numbers that includes detailed examples, rules, and further explanation of borrowing.
Whiteboard
ClassFlow

Class Flow: The Fact Family

For Teachers Pre-K - 1st
[Free Registration/Login Required] This flipchart allows students to become familiar with fact families in a fun and creative way.
Interactive
Fun Brain

Fun Brain: Tic Tac Toe Squares (Math Facts Games)

For Students 5th - 8th Standards
Players practice adding, subtracting, multiplying, and dividing skills while playing virtual Tic Tac Toe. They can also try their hand at squares, cubes, and square roots.
Interactive
Mr. Martini's Classroom

Mr. Martini's Classroom: Kids' Subtract Up to 9

For Students Pre-K - 1st Standards
Practice subtraction facts up to nine with this interactive exercise.
Activity
University of Saskatchewan (Canada)

Emr: Exercises in Math Readiness

For Students K - 1st Standards
Practice your mental math skills with this site, where practice problems in addition, subtraction, multiplication, and division abound. Introductory, intermediate, and advanced levels are available. Just type in your answer and you'll...