Unit Plan
CK-12 Foundation

Ck 12: Algebra: Comparison of Problem Solving Models

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] Use the strategies of making a table and looking for a pattern to solve problems.
Activity
Other

Math Stories: Make a Table

For Students Pre-K - 1st Standards
At this one page site you can work through step by step a sample problem that illustrates the problem solving strategy for "Make a table." The answer is right there to help you check your thinking.
Activity
University of Cambridge

University of Cambridge: Nrich: Ten Green Bottles

For Students 3rd - 8th
Sharpen your problem solving skills and find the solution to the challenge on this one page website. You might want to make a list. Once you have your solution you can check the website and see if it agrees with their solution.
Activity
University of Cambridge

University of Cambridge: Nrich: Shutting Puzzle

For Students 3rd - 8th
Sharpen your problem solving skills and figure out a solution for this interesting problem. The solution is on this one page website so that you can check your answer.
Activity
University of Cambridge

University of Cambridge: Nrich: Arranging the Tables

For Students 3rd - 5th
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: Buckets of Thinking

For Students 3rd - 8th
Trial and error is just one of the problem solving strategies that you could use to solve this bucket problem. After you finish view the solution at this one page website.
Activity
University of Cambridge

University of Cambridge: Nrich: Reach 100

For Students 1st - 8th Standards
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.
Activity
University of Cambridge

University of Cambridge: Nrich: Back to the Planet of Vuv

For Students 3rd - 8th
You will probably need to make a list to solve the challenge at this one page website.
Activity
University of Cambridge

University of Cambridge: Nrich: Shapes on the Playground

For Students 3rd - 8th
On this one page website the problem will require you to use your problem solving skills to find your solution. You can then check it right at the website against the solution they have available.
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: 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: 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.
Activity
University of Cambridge

University of Cambridge: Nrich: Two Primes Make One Square

For Students 3rd - 8th
On this one page website sharpen your logic, prime numbers and square numbers skills while working on this challenge. The solution is available to double check your solution.
Interactive
University of Cambridge

University of Cambridge: Nrich: Packing for the School Trip

For Students 3rd - 8th Standards
Help Lorenzie figure out how many combinations he can make with the pants and shirts he is packing. Check the website for the solution.
Activity
University of Cambridge

University of Cambridge: Nrich: Sticky Triangles

For Students 3rd - 4th
On this one page website sharpen your logic, table making, and pattern recognition skills while working on this triangle challenge. The solution is available to double check your solution.
Activity
University of Cambridge

University of Cambridge: Nrich: Good Work if You Can Get It

For Students 3rd - 8th 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: 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: Six Is the Sum

For Students 1st - 8th Standards
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.
Activity
University of Cambridge

University of Cambridge: Nrich: Creating Cubes

For Students 3rd - 8th
On this one page website use a table to help you organize the information so that you can solve this cube problem. When you are finished you can check your answer right at the website.
Activity
University of Cambridge

University of Cambridge: Nrich: Sissa's Reward

For Students 3rd - 8th
On this one page website use a table to help you solve this problem about the chess board and grains of rice. The solution is available right on the website.
Activity
University of Cambridge

University of Cambridge: Nrich: 5 on the Clock

For Students 3rd - 8th
Use your math skills to solve this problem involving a digital clock face. Solution included.
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.
Activity
University of Cambridge

University of Cambridge: Nrich: Bunny Hop

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

University of Cambridge: Nrich: Penta Primes

For Students 3rd - 8th Standards
Using only the single digits listed make as many prime numbers as you can for this challenge. After you have your list you can check this one page website and it will show you the solution.