CK-12 Foundation
Ck 12: Elem Math: Using Real Maps English Lengths and Distances
[Free Registration/Login may be required to access all resource tools.] The video describes how to use a map to answer questions using the lengths provided in the diagram.
AAA Math
Aaa Math: Inverse Relationship of Addition and Subtraction
Explains the inverse relationship between addition and subtraction. Gives exercises and 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.
AAA Math
Aaa Math: Properties of Addition
Explains the four mathematic properties of addition. Gives exercises and games to practice this skill.
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 learners understand the value of money. Groups of students will be exchanging pennies for other types of coins.