AAA Math
Aaa Math: Addition of Decimals
This lesson explains how to add decimals of the tenths place value. Gives practice and games to work on this skill.
AAA Math
Aaa Math: Adding Mixed Numbers With the Same Denominator
This site explains how to add mixed numbers that have the same denominator, and includes games to practice this skill.
Can Teach
Can Teach: Who Has More or Less?
Want to practice addition and subtraction skills in a new and exciting way? Use this online math lesson card game activity.
abcteach
Abcteach: Math Posters
[Free Registration/Login Required] Most of the posters on this site are colorful math posters for primary or elementary school. However, there is one math poster that could be used in secondary school geometry class that has the formulas...
Ministerio de Educación (Spain)
Ministerio De Educacion: Conecto Con Las Mates
These are five interactive units for Elementary math. Each unit is structured in four parts: explanation, activities, dictionary and assessment.
AAA Math
Aaa Math: Properties of Addition
Explains the four mathematic properties of addition. Gives exercises and games to practice this skill.
AAA Math
Aaa Math: Mentally Adding Two Digit Numbers
This site explains how to mentally add two-digit numbers. Gives exercises and games to practice this skill.
AAA Math
Aaa Math: Adding Money Amounts
Explains how to add money. Gives exercises and games to practice this skill.
Other
Mathpower: Elementary Algebra Assignments
Test your algebra aptitude at this colorful website filled with algebra assignments for upper elementary and middle school students. Assignments explore algebra concepts using addition, subtraction, multiplication, fractions, division,...
Math Is Fun
Math Is Fun: Word Questions: Elementary Subtraction
Simple word problems challenge your subtraction skills. If you get stuck, use the clues and the number line for help.
abcteach
Abcteach: Teach: Decimals
[Free Registration/Login Required] Educators can generate worksheets for primary or elementary grades that focus on decimal addition, subtraction and fraction practice. Worksheets include graphics and answer key.
Can Teach
Can Teach: Pennies a Little Goes a Long Way Game
Use this fun learning game in your classroom to help young scholars understand the value of money. Groups of students will be exchanging pennies for other types of coins.
Organization for Community Networks
Lesson Plan: I've Got Your Number (Number Sense)
An engaging lesson used to review math concepts and facts. Students are certain to "Stay alert," in this card game where each solution is related to the next solution. Sample questions provided. Great problem solving and skill building...
US Department of Education
National Center for Education Statistics: Nces Classroom
Just what is the NCES Students' Classroom? In addition to many useful features, this site provides math and statistical activities tailored to a middle and elementary school students.