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.
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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.
Interactive
ABCya

Ab Cya: Turkey Touchdown

For Students 1st - 6th
What's more Thanksgiving than turkey and football? What about turkeys playing football? Turkey Touchdown is a great way for kids to celebrate the holiday and practice their math facts. Kids will choose a level of difficulty, and then...
Unit Plan
Lawrence Hall of Science

The Math Page: Skill in Arithmetic: The Meaning of Subtraction, and Mental Calculation

For Students Pre-K - 1st Standards
This website explains and defines basic subtraction. There are practice problems at the very end of this lesson.
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.
Activity
University of Cambridge

University of Cambridge: Nrich: Scoring With Dice

For Students 3rd - 8th Standards
On this one page website sharpen your logic, multiplication, and multiples skills while working on this challenge. The solution is available to double check your solution.
Interactive
Cool Math

Coolmath: Coolmath4kids: Tugboat Addition

For Students K - 1st Standards
Add numbers quickly to help your tugboat team win!
Lesson Plan
Scholastic

Scholastic: Max's Math Adventures: Max's Super Stars

For Teachers Pre-K - 1st Standards
Use this poem, teacher's guide, and various small manipulatives to make a great lesson on counting. There is a section for students to give their responses on the website.
Activity
Math Slice

Math Slice: Math Crossword Slice Special Test

For Students Pre-K - 1st Standards
Use this interactive math crossword puzzle to build number sense skills. Simply fill in the missing numbers based on the operation. Immediate feedback given to responses.
Website
United Nations

United Nations Cyberschoolbus: Refugee Briefing Paper for Students

For Students 9th - 10th
This site from the UN Cyberschool program provides a briefing for students on the forced displacement of people around the world. In addition to basic facts and a broad history on the problems faced by refugees it propose solutions, and...
Activity
United Nations

United Nations Cyberschoolbus: International Law Briefing Paper for Students

For Students 9th - 10th
This site from the UN Cyberschool program provides a briefing for students on international law. In addition to basic facts it provides a broad overview of the history of modern international law and the current challenges posed to this...
Website
United Nations

United Nations Cyberschoolbus: Child Labor Briefing Paper for Students

For Students 9th - 10th
This site from the UN Cyberschool program provides a briefing for students on the global struggle against forced child labor. In addition to basic facts, it presents the personal stories of children, suggestions for further action,...
Website
United Nations

United Nations Cyberschoolbus: Hiv Aids Briefing Paper for Students

For Students 9th - 10th
This site from the UN Cyberschool program provides a briefing for students on the global struggle against HIV/AIDS. In addition to basic facts, it examines what is happening in Zambia to fight AIDS. It also provides; suggestions for...
Website
United Nations

United Nations Cyberschool : Briefing Paper on Disarmament

For Students 9th - 10th
This resource provides a briefing for students on disarmament. In addition to basic facts, it examines UN efforts. It also provides; suggestions for further action, student activities, and resources for teachers.
Activity
Quia

Quia: Addition Matching Sums 10 to 18

For Students 3rd - 5th
This website for young children gives them practice adding sums from 10 to 18 in a matching type format.
Interactive
Quia

Quia: Addition Concentration Sums 10 to 18

For Students K - 1st Standards
This website for young children gives them practice adding sums from 10 to 18 in a concentration game type format.
Interactive
Quia

Quia: Addition Concentration Sums 0 to 9

For Students K - 1st Standards
This website for young children gives them practice adding sums from 0 to 9 in a concentration game type format.
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Quia

Quia: Addition Flashcards Sums 10 to 18

For Students 3rd - 5th
This website for young children gives them practice adding sums from 10 to 18 in a flashcard type format.
Interactive
Quia

Quia: Addition Matching Sums 0 to 9

For Students K - 1st Standards
This website for young children gives them practice adding sums from 0 to 9 in a matching type format.
Interactive
Quia

Quia: Addition Flashcards Sums 0 to 9

For Students K - 1st Standards
This website for young children gives them practice adding sums from 0 to 9 in a flashcard type format.
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Math Fact Cafe

Math Fact Cafe: Pre Made Arithmetic Worksheets for Fourth Grade

For Teachers 3rd - 5th
Choose from a list of pre-made arithmetic worksheets designed for fourth graders.
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Math Fact Cafe

Math Fact Cafe: Pre Made Third Grade Math Worksheets

For Teachers 3rd - 5th
Choose from a list of pre-made arithmetic worksheets designed for third graders.
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Math Fact Cafe

Math Fact Cafe: Pre Made First Grade Worksheets

For Teachers Pre-K - 1st
Choose from a list of pre-made math worksheets intended for first graders.
Activity
Other

Kid's Page Archive: Free Printable Math Worksheets

For Teachers Pre-K - 1st
Great source for math worksheets on all four whole number operations, fractions, and miscellaneous arithmetic topics. Could be used to assess basic arithmetic skills for areas that need remediation.