Curated OER
Make an Organized List
In this list learning exercise, students make an organized list of a person's clothes and answer questions about it. Students make 1 list and answer 3 questions.
Shodor Education Foundation
Shodor Interactivate: Lesson: Ideas That Lead to Probability
This lesson plan sets the ground work for an introduction to and then exploring the concepts that are the foundation for probability. Lots of resources are available for teachers and students at this website.
Shodor Education Foundation
Shodor Interactivate: Lesson: Tree Diagrams and Probability
This lesson plan helps young scholars develop tree diagrams and figure probability of events based on diagrams. Lots of resources are available to support teachers and students at this website.
Shodor Education Foundation
Shodor Interactivate: Lesson: Conditional and Simultaneous Probability
This lesson plan deals with conditional probability and the probability of simultaneous events. Problems included in this lesson tend to have solutions that are counterintuitive. This presents an opportunity to investigate more deeply...
Oswego City School District
Regents Exam Prep Center: Tree Diagrams
This tutorial demonstrates how tree diagrams are constructed and shows how to calculate the probability of an event using a tree diagram. There are links to a lesson, practice page, and teacher resource pages with useful tips.
University of Cambridge
University of Cambridge: Nrich: Reach 100
This one page website offers a challenge that will require you to use your problem solving skills. The solution is available right at the website.
University of Cambridge
University of Cambridge: Nrich: Back to the Planet of Vuv
You will probably need to make a list to solve the challenge at this one page website.
University of Cambridge
University of Cambridge: Nrich: Alphabet Blocks
Help Santa and the elves keep track of how many blocks they need for their alphabet blocks. Solution provided.
University of Cambridge
University of Cambridge: Nrich: Two Dice
Use your problem solving skills to work on this problem that has to do with dice. The solution is right on this one page website.
University of Cambridge
University of Cambridge: Nrich: Packing for the School Trip
Help Lorenzie figure out how many combinations he can make with the pants and shirts he is packing. Check the website for the solution.
University of Cambridge
University of Cambridge: Nrich: 5 on the Clock
Use your math skills to solve this problem involving a digital clock face. Solution included.
University of Cambridge
University of Cambridge: Nrich: What Shape and Color?
Fill in the chart and see which shapes and which colors belong in which rows and columns. The solution is readily available at this one page website.
University of Cambridge
University of Cambridge: Nrich: The Lily Pond
Using your problem solving skills find the best way for Freddie to visit Sammy. On this one page website the solution is right there for you when you have found a solution.
University of Cambridge
University of Cambridge: Nrich: Six Is the Sum
You will probably want to make a list to figure out the solution to this problem. There are teacher notes and the solution right at this one page website.
University of Cambridge
University of Cambridge: Nrich: Page Numbers
Exactly 195 digits have been used to number the pages in a book. How many pages does the book have? Sounds simple enough--if you have the right problem-solving skills. Solution provided.
University of Cambridge
University of Cambridge: Nrich: Bunny Hop
You will want to "hop" right on this problem and see if you can find a solution at this one page website. Then you can check it right there.
National Council of Teachers of Mathematics
Nctm: Figure This: Rose Bowl
A math challenge taken directly from the sports pages. Use your problem solving and data collection aptitude to find out how many different ways a Rose Bowl team could score 11 points. Try this one page activity from the NCTM Math...