Lawrence Hall of Science
The Math Page: Skill in Arithmetic: Percents Are Ratios
This Math Page tutorial explains how percents are ratios and then features a practice exercise.
Queen's Printer for Ontario
E workshop.on.ca: Effective Instruction in Math, K 6: Problem Solving [Pdf]
Volume 2 in an eworkshop Guide to Effective Instruction in Math outlines and illustrates instructional strategies for building mathematical problem-solving skills and skills in communicating mathematical concepts to students in...
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...
PBS
Pbs Learning Media: Pbs Kids: Odd Squad: Collection
Welcome to Odd Squad: the zaniest, craziest team of kid investigators around! Explore content below targeted at making elementary-level math a fun, imaginative experience, mixing concepts like arithmetic and geometry with fantastical...
Illustrative Mathematics
Illustrative Mathematics: Which Is Heavier?
Students will learn the concept of weight by practicing weighing items on a balance scale and recording their results. Students can record their answers on the black line masters included in the Illustrated Mathematics lesson "How Heavy?".
Other
Kindergarten lessons.com: Graphing Activities
Graphing activities for preschool and kindergarten include collecting data and organizing it in a variety of ways. There are lots of fun things to do in this area of math and the activities integrate well with science and literacy...
Scholastic
Scholastic: Multiple Ways to Solve a Problem
This Marilyn Burns lesson plan employs children's literature to teach the topics of combinations, perimeter, and area using a problem solving approach. Primary and intermediate levels have an activity appropriate to each.
Read Works
Read Works: Classify and Categorize Kindergarten Unit: Adding to Sorted Groups
[Free Registration/Login Required] A lesson using the book My Big Animal Book by Roger Priddy in which students learn to sort items into predetermined categories. Ideas for teaching, guided practice, and independent practice are...