Interactive
AAA Math

Aaa Math: Adding Two Digit Numbers Mentally

For Students K - 1st Standards
Read these two strategies for adding two-digit numbers in your head. Then try out the one you like better by playing the game. Running totals of your correct and incorrect answers as well as a percent score of your correct answers will...
Activity
AAA Math

Aaa Math: Division by 1 Through 12

For Students 3rd - 8th
This site gives practice problems for division by 1-12 and games to use this skill. The information is brief, but helpful and worth a look.
Activity
Wolfram Research

Wolfram Math World: Addition

For Students 6th - 8th Standards
MathWorld provides a detailed definition of addition.
Unknown Type
Discovery Education

Discovery Education: Web Math: See How Two Numbers Add Together

For Students 3rd - 5th Standards
WebMath offers a good addition practice site. Students can use this site to check their homework assignment. An explanation is given regarding how each answer was arrived at.
Activity
University of Cambridge

University of Cambridge: Nrich: Games Pelmathism, Multiplication

For Students Pre-K - 1st
Use this game to improve your quickness and memorization of multiplication facts. You can set the facts you want to practice on this game.
Unknown Type
Other

Project Happy Child: Times Tables Division Worksheets

For Students Pre-K - 1st Standards
50 basic division 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.
Activity
University of Cambridge

University of Cambridge: Nrich: Divide It Out!

For Students Pre-K - 1st Standards
On this one page website sharpen your logic and basic division fact skills while working on this challenge. The solution is available to double check your solution.
Interactive
University of Cambridge

University of Cambridge: Nrich: Flip Flop

For Students 1st - 5th
Use this game to improve your quickness and memorization of addition facts. You can set the facts you want to practice on this game. Just follow the instructions below it!
Unknown Type
Other

Project Happy Child: Free Addition Worksheets

For Students Pre-K - 1st Standards
2000 basic addition 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.
Activity
University of Cambridge

University of Cambridge: Nrich: Routes 1 and 5

For Students 3rd - 8th Standards
Sharpen your logic and basic arithmetic skills while working on this challenge. Solution.
Unknown Type
Other

Project Happy Child: Multiplication Worksheets

For Students Pre-K - 1st
2000 basic multiplication 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.
Activity
University of Cambridge

University of Cambridge: Nrich: Twenty Divided Into Six

For Students Pre-K - 1st Standards
On this one page website sharpen your logic and addition fact skills while working on this challenge. The solution is available to double check your solution.
Activity
University of Cambridge

University of Cambridge: Nrich: 1, 2, 3 Magic Square

For Students Pre-K - 1st Standards
Sharpen your logic and basic addition facts skills while working on this challenge. Solution.
Activity
University of Cambridge

University of Cambridge: Nrich: Sealed Solution

For Students Pre-K - 1st Standards
On this one page website sharpen your logic and addition facts skills while working on this challenge. The solution is available to double check your solution.
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.
Activity
University of Cambridge

University of Cambridge: Nrich: One Big Triangle

For Students Pre-K - 1st Standards
On this one page website sharpen your logic and addition facts skills while working on this challenge. The solution is available to double check your solution.
Activity
University of Cambridge

University of Cambridge: Nrich: Multiplication Squares

For Students 3rd - 5th Standards
On this one page website sharpen your logic and multiplication skills while working on this challenge. The solution is available to double check your solution.
Activity
Utah State University

Teacher Link Printable Teacher Aids

For Teachers Pre-K - 1st Standards
A huge collection of worksheets for addition, subtraction, multiplication, division, and handwriting practice all on PDF files ready for you to download and print for your students.
Interactive
Mr. Martini's Classroom

Mr. Martini's Classroom: Kids' Adding Up to 5

For Students Pre-K - 1st Standards
Practice addition facts up to 5 in this interactive exercise.
Interactive
Mr. Martini's Classroom

Mr. Martini's Classroom: Kids' Subtract Up to 5

For Students Pre-K - 1st Standards
Practice subtraction facts using this interactive exercise.
Website
Cool Math

Coolmath: Coolmath4kids: Subtraction

For Students K - 1st Standards
A set of seven short tutorials on subtraction. Begins with a basic introduction to how subtraction works and covers topics such as fact families, place value, and regrouping.
Interactive
Mr. Martini's Classroom

Mr. Martini's Classroom: Adding With Multiple Choice Answers

For Students Pre-K - 1st Standards
Practice addition facts 4 to 9 with this interactive multiple choice activity.
Interactive
Mr. Martini's Classroom

Mr. Martini's Classroom: Mr. Martini's Classroom: Adding Objects

For Students Pre-K - 1st Standards
Practice addition facts 1 to 9 with numbers and pictures in this interactive game.
Unknown Type
Mr. Martini's Classroom

Mr. Martini's Classroom: Kids' Addition Quiz

For Students Pre-K - 1st Standards
Assess knowledge of addition facts from 1 to 9 with this interactive quiz. Click check my answers and do it again, to verify answers and continue practice.

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