Lawrence Hall of Science
The Math Page: Skill in Arithmetic: The Meaning of Subtraction, and Mental Calculation
This website explains and defines basic subtraction. There are practice problems at the very end of this lesson.
Teachnology
Teachnology: Math Shapes Teaching Theme
Shapes Theme provides an excellent collection of free sample worksheets, teacher resources, lesson plans and interactive media for the elementary grades.
University of Regina (Canada)
University of Regina: Math Central: Shape Activities
Two and three-dimensional geometric shape are explored in these exercises. Each activity has teacher notes, activity instructions, and a worksheet when necessary.
abcteach
Abcteach: Fractions
[Free Registration/Login Required] A collection of teacher-created fraction activities, patterns, and manipulatives that are printable. Includes flashcards, worksheets and a take-home project with fractions for both primary and elementary.
National Council of Teachers of Mathematics
The Math Forum: Making Patterns
Explore the literature connections, online activity, pencil and paper activity, and the manipulative investigation of patterns and geometric shapes on this page!
SMART Technologies
Smart: Foundational Math Concepts for Elementary Ages
Practice everyday math skills such as adding, subtracting, multiplying, dividing, place value, counting money, telling time, fractions, decimals, and more.
Lin and Don Donn
Lin and Don Donn: Ancient History Lesson Plans Egypt
A social studies teacher shares his information on Ancient Egypt for elementary students. Find easy-to-understand facts on such things as the hieroglyphics, the Three Kingdoms, daily life, and religion.
National Gallery of Art
National Gallery of Art: Counting on Art
Several lesson plans available for grades K-8 that take a look at math and art. Each lesson includes printable resources, glossary of terms, an artist biography, and national math and visual arts standards.
Other
Hpedsb: The Geometer's Sketchpad: Resources
Lessons and activities for The Geometer's Sketchpad that span Kindergarten to Grade 11 can be found on this site. There are also tutorials and posters. As this is an older site, some links may no longer work.
University of Pittsburgh
University of Pittsburgh: Elementary Education Resources: Kindergarten
Excellent reference tool for kindergarten-aged students. Resources cover a broad range of topics from math and science to English and social studies. Links include students activities and lesson plans.
abcteach
Abcteach: Geometry
[Free Registration/Login Required] This resource has an assortment of teacher-created geometry activities for elementary and primary learners. Printable two-dimensional shapes, area and perimeter worksheets, board games, rules and...
PBS
Pbs Learning Media: Pbs Kids: Cyberchase: Collection
Cyberchase is the Emmy-winning animated series full of math and environmental adventures. It features three diverse kids, known as The CyberSquad, who use brain power and problem solving skills to outwit and outsmart the villain Hacker...
Fundación Cientec
Ecologia Y Matematica Entretejidas
Four lesson plans in Spanish for elementary math and science class. Students are required to classify animals and make observations. Offers explanations and detail of the lessons and methodology it is based in.
abcteach
Abcteach: Earth Day Activities
[Free Registration/Login Required] How can you treat the earth with more respect? Check out this resource featuring links to elementary activities to celebrate Earth Day. You will find word searches, crossword puzzles, reading...
Teachnology
Teachnology: Money Teaching Theme
Money Teaching Theme provides an excellent collection of free sample worksheets, teacher resources, lesson plans and interactive media for the elementary grades.
Teachnology
Teachnology: Measurement Teaching Theme
Measurement Teaching Theme provides an excellent collection of free sample worksheets, teacher resources, lesson plans and interactive media for the elementary grades.
Other
Danielle's Place: Bible Theme Crafts for Kids
If you teach religion to elementary students, then you have to see this site! It is overflowing with creative ideas to use in your classroom and will get your students excited about the Bible. Many of these lessons also integrate math,...
Michigan State University
Michigan State University: Lets Net: Fat Counting Unit
Have you ever wanted to know how much fat you consume each day? How does that fat fit into your daily intake according to the food pyramid? 4 math lessons are included here that help both upper and lower elementary grades understand how...
NASA
Nasa: The Space Place
This site is geared towards elementary learners, but most lessons can be modified for older learners. Space-related classroom activities, printable images of Earth and space, thought-provoking Space Place Musing podcasts and math-related...