Activity
K-5 Math Teaching Resources

K 5 Math Teaching Resources: Facts of Ten [Pdf]

For Students 1st - 3rd Standards
You and a partner try to pick cards that are facts of ten.
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
Arcademics

Arcademics: Kitten Match

For Students K - 1st Standards
Choose two numbers that create the sum of the given number to make a match.
Activity
Other

Welcome to mr.r's World of Math!!!

For Students 3rd - 5th Standards
At this site, math word problems are presented in an exciting and creative format. Students attempt to find solutions to hilarious situations using their mathematical skills. To do this they must solve various math problems in a certain...
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
University of Cambridge

University of Cambridge: Nrich: Magic Squares

For Students 3rd - 8th Standards
In a Magic Square all the rows, columns and diagonals add to the same number. This number is called the Magic Constant. Learn math fundamentals visually and have fun at the same time.
Interactive
Other

Allmath.com: Magic Squares Game

For Students 9th - 10th
Magic squares have been a fascinating topic in mathematics for centuries. They are formed by filling in all the squares with the numbers starting from one so that the sum of all rows, columns, and diagonals is the same. Instructions are...
Activity
University of Cambridge

University of Cambridge: Nrich: Domino Square

For Students 3rd - 8th
Use your problem solving skills and move the dominoes around on the square so that each side has only eight dots. When you are finished you can check your answer against theirs right at this one page NRich website.
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.
Lesson Plan
National Council of Teachers of Mathematics

The Math Forum: Lesson Plans: Fractions

For Teachers 3rd - 5th
Teachers, this is the place to come for fraction lesson plans if you teach elementary students. All the topics have a number of resources available from which to choose.
Interactive
National Council of Teachers of Mathematics

Nctm: Illuminations: Volt Meter

For Students 3rd - 8th Standards
As you put the different type of batteries on the volt meter pay attention to the voltage equations in the table. See how positive and negative numbers interact.
Unknown Type
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.
Unknown Type
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.
Activity
AAA Math

Aaa Math: Adding With a Calculator

For Students 2nd - 5th
Use this online calculator game to practice using a calculator. The game keeps track of your correct and incorrect answers. It also shows you a percent score of your correct answers as you play.