Interactive
University of Cambridge

University of Cambridge: Nrich: Game Pumpkin Patch

For Students Pre-K - 1st
Sharpen your problem solving and strategy skills playing this Somali game, Pumpkin Patch. The rules are simple but the game requires some thinking. There is a "Get Printable Page," link at the top to print out the materials you need.
Activity
University of Cambridge

University of Cambridge: Nrich: 1, 2, 3, 4, 5

For Students 3rd - 5th 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.
Interactive
Birmingham Grid for Learning (UK)

Birmingham Grid for Learning: Guess My Number to Twenty

For Students Pre-K - 1st
See if you can guess his number between 1 and 20. He will tell you if your guess is too high. He will also tell you when it is too low. These hints will help you figure out what his number is!
Interactive
Birmingham Grid for Learning (UK)

Birmingham Grid for Learning: Guess My Number to 100

For Students 1st - 3rd
See if you can guess his number between 1 and 100. He will tell you if your guess is too high. He will also tell you when it is too low. These hints will help you figure out what his number is!
Interactive
Channel 4 Learning

Channel 4 Maths: Mathszone

For Students 3rd - 8th
Can you help Ben and Mai escape their captors and foil the robbers' getaway plan? Test your mathematical aptitude in this captivating, interactive, adventure game that uses a PDA/calculator to solve math clues. Students will activate...
Activity
University of Cambridge

University of Cambridge: Nrich: Eleven?

For Students 3rd - 8th
Only by replacing these letters with the correct digits can you make this problem add up correctly! The solution is located right at this one page website.
Activity
University of Cambridge

University of Cambridge: Nrich: Money Bags

For Students 1st - 8th
Practice your problem solving skills while you help Ram figure out how many pennies to put in each bag. The solution is right on this one page website.
Activity
University of Cambridge

University of Cambridge: Nrich: Magic Triangle

For Students 3rd - 8th
Use your problems solving skills to make everything add up correctly for this challenge. The solution is right at this one page website.
Activity
University of Cambridge

University of Cambridge: Nrich: Magic Circles

For Students 3rd - 8th Standards
Use your problem solving skills to figure out this challenge. A number of solutions are available right at this one page website.
Interactive
Birmingham Grid for Learning (UK)

Birmingham Grid for Learning: Guess My Number to 10

For Students Pre-K - 1st Standards
This resource allows students to compare number values, as well as practice other number concepts.
Lesson Plan
Alabama Learning Exchange

Alex: Guess My Shape

For Teachers K - 1st Standards
The young scholars will make the connection between 2-D and 3-D shapes using modeling clay and geometric solids and participate in an interactive web lesson. Students will make predictions about what 2-D shape they think will be made...
Activity
University of Cambridge

University of Cambridge: Nrich: A Shapey Network

For Students Pre-K - 1st
Sharpen your problem solving and logic skills on this network activity. There is a "Printable Page," link if you want to print it out to help you with your strategy.
Unit Plan
Oswego City School District

Regents Exam Prep Center: Absolute Value Equations

For Students 9th - 10th
Helpful resources for planning classroom instruction on absolute value equations: a lesson with example problems and step-by-step solutions; a practice exercise through which students can quiz their knowledge of absolute value equations...
Activity
Other

Resolucion De Ecuaciones

For Students 9th - 10th
In Spanish. An online step by step explanation of various problem solving methods of one variable equations. Includes eight practice equations for students, with solutions available.
Lesson Plan
Alabama Learning Exchange

Alex: Estimation Station

For Teachers 3rd - 5th Standards
During this lesson, students will learn the difference between estimation and guessing. Knowing how to estimate is an essential skill that will help students determine approximate totals as well as check the reasonableness of their...