NumberNut
Number Nut: Subtraction: 1 to 10
Subtraction is about taking things away. Learn how to set up the problem and work with single-digits to 10. Then practice the skills with the two interactive subtraction activities.
Math Is Fun
Math Is Fun: Comparing Numbers
A simple explanation of what the less than and greater than signs are, with links to games where you can practice comparing numbers.
Project Britain
Primany Homework Help: Year 3 Iq Problems A
The assessment reviews addition and subtraction facts. Students answer 10 review problems and then check their answers by clicking a button.
Mr. Martini's Classroom
Mr. Martini's Classroom: Positive Number Line: Addition and Subtraction
Students solve addition and subtraction problems using a positive number line.
Mr. Martini's Classroom
Mr. Martini's Classroom: Subtraction: Fill in the Blank
Students fill in the blanks to solve subtraction fact problems on these interactive flashcards. The problem changes color when the correct number is typed.
Mr. Martini's Classroom
Mr. Martini's Classroom: Addition and Subtraction Quiz
Students can test their knowledge of addition and subtraction facts. They can choose to have their quiz graded or select new problems.
AAA Math
Aaa Math: Adding Hundreds
Practice adding hundreds with a game that keeps running totals of your correct and incorrect answers, as well as a percent score of your correct answers.
Quia
Quia: Subtracting to Win a Million
Students will love playing this "Who Wants to be a Millionaire," style game as they work through the subtraction problems. Some of the numbers are large, but there is no regrouping necessary.
Ducksters
Ducksters: Practice Math Questions: Single Digit Subtraction
This site includes practice math questions for single digit subtraction.
Ducksters
Ducksters: Practice Math Answers: Single Digit Subtraction
This site contains answers to single-digit subtraction problems.
Varsity Tutors
Varsity Tutors: Aplusmath: Order of Operations Homework Helper Subtraction
The subtraction homework helper allows students to plug their homework questions into the solver to see if their solutions are correct.
Other
Project Happy Child: Free Subtraction Worksheets
2000 basic subtraction worksheets are available at this web site. They can be printed and used for a variety of practice purposes. Some helpful hints are included to avoid mindless practice that could quickly become counter productive.
Teaching Treasures Publications
Teaching Treasures: Year One Timed Mental Math (Page 2)
Learners are challenged to solve ten addition or subtraction problems in less than five minutes using this interactive worksheet. Immediate feedback is given.
ClassFlow
Class Flow: Fact Families
[Free Registration/Login Required] In this activity, students use the visual cues from a fact family triangle, manipulatives and numbers to understand and apply the concepts and procedures of mathematics including addition, subtraction,...
Topmarks Online
Topmarks: Subtraction Grids
Can you meet the challenge to see how many subtraction calculations you can do in two minutes? There are different levels and you can choose either one or two missing numbers to make your number sentence correct.
Math Slice
Math Slice: Subtraction: Math Worksheets
This tool allows you to create worksheets where students solve subtraction equations at varying levels of difficulty.
Math Slice
Math Slice: Subtraction: Math Worksheets
This tool allows you to create worksheets where learners solve subtraction equations at varying levels of difficulty.
Math Slice
Math Slice: Addition: Math Worksheets
This tool allows you to create worksheets where students solve addition equations at varying levels of difficulty.
University of Cambridge
University of Cambridge: Nrich: Game Asteroid Blast
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.
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...
University of Cambridge
University of Cambridge: Nrich: 2, 4, 6, 8
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.
Ducksters
Ducksters: Practice Math Questions
A collection of practice math questions from addition to division.
Ducksters
Ducksters: Practice Math Answers: Double Digit Addition
A website that gives practice problems for double-digit addition.
AAA Math
Aaa Math: Adding Three Numbers
Use this online game to practice adding three single digit numbers. The game gives running totals of your correct and incorrect answers, as well as a percent score of your correct answers.