Measurement
http://www.funbrain.com/measure/index.html
K-4. You can set your levels from easy to hard. Measure using centimeters and inches. Online game.
http://www.bbc.co.uk/education/mathsfile/shockwave/games/animal.html
¾. Make measurement equivalents using pounds, ounces, grams, kilograms.
http://www.hbschool.com/activity/con_math/g04c24.html
¾. Match the equivalent customary measures.
http://www.hbschool.com/activity/con_math/g05c14.html
4th. Match the equivalent metric measures.
Number Sense
http://www.gamequarium.com/junior.html
K/1. 6 games. Jungle counting. Color counting. Number train. 123 Order. Count your chickens. Count the Bananas.
http://www.primarygames.com/math/fishycount/index.htm
K/1. Counting game.
http://www.primarygames.com/storybooks/even_odd/4b.htm
1-2. Even/odd numbers.
Operations
http://www.apples4theteacher.com/math-subtraction-worksheets.html
K-4. Create your own subtractions worksheets.
http://www.apples4theteacher.com/flash-cards.html
K-4. Online flashcard game. Choose +, -, x, or a combination of the three.
http://www.coolmath4kids.com/times-tables/Timernator-multiplication.html
2/4. Online flashcard game. Multiplication.
http://www.coolmath4kids.com/free-online-math-flash-cards.html
1-3. Printable flashcards. +, -, X or /.
http://www.oswego.org/ocsd-web/games/Mathmagician/cathymath.html
1-4. Choose +, -, x, or /. Two different levels.
Telling Time
http://www.apples4theteacher.com/java/telling-time/index.html
K-4. Set the hands on the clock.
Algebra
http://www.aplusmath.com/Flashcards/index.html
3-6. Find the answer for variables.
Geometry
http://www.apples4theteacher.com/chinese-tangrams.html
4th. Tangram puzzles. Spatial sense.
http://www.apples4theteacher.com/square.html
K-4. Square puzzles. Spatial reasoning.
http://www.primarygames.com/arcade/wonka/lttris/index.htm
3-4. Tetris game. Spatial reasoning.
http://www.aplusmath.com/Flashcards/index.html
3-4. Geometric vocabulary.
http://www.aplusmath.com/Flashcards/index.html
3-4. Find the area of shapes.
Money games
http://www.apples4theteacher.com/change-game.html
2-4. 3 Levels of play. Counting money.
http://www.aplusmath.com/Flashcards/index.html
2-4. Money flashcards.
Halloween Math Games
http://www.apples4theteacher.com/holidays/halloween/math-games/index.html#
K-4. 10 games. Even numbers. Odd numbers. Adding. Multiples of 10. Count by 1, 2, 3, 5, & 10. Squared numbers.
General Web Sites
http://www.apples4theteacher.com/
http://www.internet4classrooms.com/skills_2nd.htm
http://www.edina.k12.mn.us/creekvalley/staffdev/Internet%20Sites/studentsites.htm
http://www.coolmath-games.com/
You can choose by grade level K-8. Choose an online game in many standards areas.
http://www.gamequarium.com/math.htm
Choose online games in many standards areas.
Upper elementary. A variety of math challenge games.
http://multiplication.com/interactive_games.htm
3-4. Many multiplication games.
http://resources.kaboose.com/games/math2.html
K-up. Math games for ages 6 and up. You can click for games for younger children.
http://www.playkidsgames.com/mathGames.htm
K-2. Math games for younger students.