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Activity
University of Cambridge

University of Cambridge: Nrich: Highest and Lowest

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.
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Activity
University of Cambridge

University of Cambridge: Nrich: Christmas Shopping

For Students Pre-K - 1st
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.
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Lesson Plan
Education Place

Houghton Mifflin: Eduplace: Justifying Answers

For Teachers Pre-K - 1st
Justifying answers, easy enough to an adult, can be difficult for a child. This is a great place to help you teach the concept of "reasonableness" of an answer. There are sections covering lesson plans, tips & tricks, and...
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Activity
Oswego City School District

Regents Exam Prep Center: Conjunction: And

For Students 3rd - 8th
Learn what a conjunction is and why it is important to know what a conjunction is when using logic to solve mathematical problems. This website includes examples of the conjunction "and" used in mathematical sentences and a "truth table."
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Activity
Oswego City School District

Regents Exam Prep Center: Truth Value of Open Sentences

For Students 3rd - 8th Standards
What happens when there is not enough information to solve a problem? Find out at this test prep site, how missing information or "open sentences" can change the value or truth of a math equation. Practice understanding and applying this...
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Activity
National Council of Teachers of Mathematics

Nctm: Figure This: Tan, Don't Burn

For Students 3rd - 8th
How about a math challenge for a sunny day at the beach? Apply your problem solving, number sense, and logical reasoning skills to find out how long it would take Helix to get sunburned using SPF 10 lotion. Discover why understanding...
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Activity
National Council of Teachers of Mathematics

Nctm: Figure This: Pigeonhole Principle

For Students 3rd - 8th
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...
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Whiteboard
ClassFlow

Class Flow: Brain Sizzlers

For Teachers 9th - 10th
[Free Registration/Login Required] This flipchart contains one page logic puzzles adapted from the book Brain Sizzlers. These activities make great warm ups for math grades 6- algebra.
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Activity
Disfruta Las Matematicas

Disfruta Las Matematicas: Puzzles De Logica

For Students 9th - 10th
This site contains many logic puzzles. It could be used as fun supplementary materials. Solutions are also provided.
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Website
Ministerio de Educacion, Cultura y Deporte (Spain)

Centros5: Rincon Matematico 2000

For Students 9th - 10th
Enjoy many of the math poems, puzzles and tricks in this math corner.
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Lesson Plan
Alabama Learning Exchange

Alex: Fun With Problem Solving

For Teachers 3rd - 5th
The object of this lesson is to teach students that problem solving can be interesting and fun. It is important to pay attention to what is asked and information that is in the problem.This lesson plan was created as a result of the...
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Website
Other

Juegos, Acertijos, Y Recreaciones Matematicas

For Students 9th - 10th
In Spanish. A variety of logic problems, including puzzles and word problems with links to the answers. An excellent site to engage Spanish speaking students.
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Interactive
Quia

Quia: Story Problems With Mixed Practice

For Students 3rd - 8th
Your problem-solving skills are put to the test in this interactive word problem game on this site. Employ a variety of mathematical skills and strategies including logical reasoning and computation. Multiple choice problems created for...
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Lesson Plan
PBS

Pbs Mathline Lesson: Mix It Up [Pdf]

For Teachers 3rd - 5th
A lesson based on the story, "Oliver's Fruit Salad," where young scholars explore the concept of proportional reasoning through modeling, student sharing, and questioning. A great introductory lesson for this concept that is sure to...
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Lesson Plan
Microsoft

Microsoft Education Lesson Plan: Candy Is Dandy

For Teachers 3rd - 8th
Explore color distribution of M&M candies using this detailed lesson plan. An engaging integrated lesson that requires understanding of spreadsheets and formulas, and logical reasoning. Links to related websites.
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Activity
Maths Challenge

Maths challenge.net: Beam of Light

For Students 4th - 6th Standards
A "one star" geometry problem that requires finding the visual pattern and applying and pattern extensions to solve the beam of light problem.
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Activity
Maths Challenge

Maths challenge.net: False Ceilings

For Students 3rd - 8th Standards
A "one star" geometry problem that requires finding the visual pattern and applying and pattern extensions to solve the false ceiling problem.
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Activity
Maths Challenge

Maths challenge.net: Pathed Pathways

For Students 3rd - 8th Standards
A "one star" geometry problem that requires visualizing to find how many different patterns can be made.
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Website
National Council of Teachers of Mathematics

The Math Forum: Ask Dr. Math: The Value of Two Column Proofs

For Students 9th - 10th Standards
This site explains why we prove things. The explanation gives real world scenarios and an everyday example of why we should learn how to prove things.
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Activity
University of Cambridge

University of Cambridge: Nrich: Magic Squares

For Students 3rd - 8th Standards
In a Magic Square all the rows, columns and diagonals add to the same number. This number is called the Magic Constant. Learn math fundamentals visually and have fun at the same time.
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Activity
University of Cambridge

University of Cambridge: Nrich: A Rod and a Pole

For Students 3rd - 8th
At this one page website work on this challenge using your very best problem solving skills to find a reasonable answer. Actually, there are a number of solutions. When you find yours check the website to see the solutions already listed.
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Activity
University of Cambridge

University of Cambridge: Nrich: Roll These Dice

For Students 3rd - 5th
Sharpen your problem solving, sequencing, and spatial reasoning skills playing this interactive game, Roll The Dice. See how many different paths you can take to end up with the same result.
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Activity
University of Cambridge

University of Cambridge: Nrich: 2, 4, 6, 8

For Students Pre-K - 1st Standards
On this one page website sharpen your logic, addition, and subtraction skills while working on this challenge. The solution is available to double check your solution.
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Interactive
University of Cambridge

University of Cambridge: Nrich: Shapely Tiling

For Students Pre-K - 1st
On this one page interactive website expand your logic, Motion Geometry and pattern recognition knowledge while working on this challenge. The solution is available to double check your solution.

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