ClassFlow
Class Flow: Making Groups
[Free Registration/Login Required] In this flipchart, K-3 students develop their algebraic sense by using a visual scaffold to sort different types of objects.
University of Cambridge
University of Cambridge: Nrich: Tom's Number
Use the clues Tom gives you to figure out his number. The solution is right there on this one page website.
University of Cambridge
University of Cambridge: Nrich: Amy's Dominoes
On this one page website sharpen your logic and problem solving skills while working on this challenge. The solution is available to double check your solution.
FNO Press
From Now On: The Research Cycle, 2000
Excellent site from From Now On for students who are assigned research papers and need to begin finding and reading material. Part of a book, the site gives information on questioning, evaluating, planning, gathering, sorting,...
Topmarks Online
Topmarks: Coins Game
Coins game is a three activity money game which introduces children to UK coinage. It helps children with recognizing coins, sorting coins from lowest to highest, and counting money. Useful as an interactive whiteboard activity.
ClassFlow
Class Flow: Animal Sorting
[Free Registration/Login Required] This K-2 flipchart is designed to make animal classification fun! Sort the animals into categories and think like a scientist!
National Council of Teachers of Mathematics
Nctm: Figure This: Pigeonhole Principle
What is the possibility that another student in your school will have your exact same initials? Try this math challenge using logical reasoning and the "Pigeonhole principle," to discover how this could actually happen. An engaging...
Rice University
What Percentage of Your Class Is Right or Left Handed?
What percentage of the class is right or left-handed? Students will investigate this question using statistical processes of collecting the data, organizing it, graphing, and finally analyzing it. Follow-up questions are provided for the...
Other
Teachers first.com: 50 Ideas for the 100th Day of School
Great ideas for "100th Day" activities. Most of these would be a good challenge for upper elementary school students if you want to include them in your 100th Day celebration. Activities include counting, measuring, weighing, sorting,...
Curated OER
Number Nut: Grouping
A set of seven nuts arranged in a group of four and one of three. (Captioned Photo)