Activity
University of Cambridge

University of Cambridge: Nrich: 6 Beads

For Teachers K - 1st Standards
Use the diagram on this one page website to solve the problem. There are teacher notes and the solution is only a click away.
Activity
University of Cambridge

University of Cambridge: Nrich: The Lily Pond

For Students 3rd - 8th
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.
Activity
University of Cambridge

University of Cambridge: Nrich: On the Edge

For Students 3rd - 8th
On which polyhedra are you able to trace along the edge without retracing any edge? When you have found the correct polyhedra then check the solution provided for you right at this one page NRich website.
Activity
University of Cambridge

University of Cambridge: Nrich: Biscuit Cookie Decorations

For Students 3rd - 8th
Solve this problem keeping in mind that cookies are called biscuits in England. Solution included.
Activity
University of Cambridge

University of Cambridge: Nrich: Numerically Equal

For Students 9th - 10th Standards
The challenge for this problem is to see if you can find rectangular shapes that have the same number for their perimeter and area. Solutions are available at this one page website.
Activity
University of Cambridge

University of Cambridge: Nrich: Plates of Cookies

For Students 3rd - 8th
As you start to work on this problem, keep in mind that in England cookies are called biscuits. Solution provided.
Whiteboard
ClassFlow

Class Flow: Graphic Organizers

For Teachers Pre-K - 1st Standards
[Free Registration/Login Required] This flipchart is a collection of colorful, graphic organizers including cause and effect, Venn diagram, comparison map, web, KWL, problem-solution chart, story web, story map, and sequence chart.
Activity
University of Cambridge

University of Cambridge: Nrich: Big Dog, Little Dog

For Students Pre-K - 1st Standards
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.
Activity
University of Cambridge

University of Cambridge: Nrich: Alphabet Blocks

For Students 1st - 8th Standards
Help Santa and the elves keep track of how many blocks they need for their alphabet blocks. Solution provided.
Activity
Other

Communication in Math Activities for Grades K 2

For Students Pre-K - 1st
Early learners can build their math communication skills with these "Real-world," writing and problem solving activities. Students focus on developing strategies for using math vocabulary and writing about math.
Activity
University of Cambridge

University of Cambridge: Nrich: Noah

For Students 2nd - 4th
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 answer.
Graphic
North Central Regional Educational Laboratory

North Central Regional Educational Laboratory: Graphic Organizers

For Teachers 9th - 10th
Explanations and diagrams of nine graphic organizers: spider map, series-of-events chain, continuum scale, compare/contrast matrix, problem/solution outline, network tree, human interaction outline, fishbone map, and cycle.
Graphic
Other

Write Design: Graphic Organizers

For Students 9th - 10th Standards
This site explores what graphic organizers are and why they are such valuable instructional tools. Five main types of organizers are addressed: webs, charts, trees, chains, and sketches.
Unit Plan
Free Math Help

Free Math Help: Trapezoids

For Students 9th - 10th Standards
The lesson discusses trapezoids. The resource consists of an explanation, diagrams, and practice problems with solutions.
Interactive
University of Cambridge

University of Cambridge: Nrich: Fair Exchange?

For Students 3rd - 8th
On this one page website from the University of Cambridge, you can sharpen your problem solving skills while you figure out equivalent values for the amounts shown. The solutions appear on the interactive machine.
Activity
University of Cambridge

University of Cambridge: Nrich: Two Dice

For Students 3rd - 8th
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.
Activity
University of Cambridge

University of Cambridge: Nrich: Page Numbers

For Students 1st - 8th Standards
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.