Texas Education Agency
Texas Gateway: Using Logical Reasoning to Prove Conjectures About Quadrilaterals
Given conjectures about quadrilaterals, the student will use deductive reasoning and counter examples to prove or disprove the conjectures.
Texas Education Agency
Texas Gateway: Using Logical Reasoning to Prove Conjectures About Circles
Given conjectures about circles, the student will use deductive reasoning and counterexamples to prove or disprove the conjectures.
Texas Education Agency
Texas Gateway: Using Logical Reasoning to Prove Statements Are True
Given statements about a geometric relationship, the student will distinguish between the undefined terms, definitions, postulates, conjectures, and theorems to prove the statements are true.
Google
Google for Education: Solving a Guessing Game With Data
In this exercise students play a guessing game trying to guess what an object is. They use logical reasoning and learn about the need for efficient searching by analyzing the questions and responses to reduce the steps necessary to guess...
Texas Instruments
Texas Instruments: Logic Ladder App
As students work with two great activities - Factor and Classic, they learn how to use logic and reasoning skills.
CK-12 Foundation
Ck 12: Geometry: Deductive Reasoning
[Free Registration/Login may be required to access all resource tools.] In this lesson students use deductive reasoning to solve problems. Students examine guided notes, review guided practice, watch instructional videos and attempt...
PBS
Pbs Learning Media: Logical Leaps: Fractions, Mixed Numbers, and Decimals on the Number Line
In this interactive, students use logic to solve three riddles involving a frog jumping contest and then place the contestants' jumps at the correct points on the number line. Numbers are randomized so that the frogs' placements on the...
PBS
Pbs Learning Media: Logical Leaps: Rational Numbers on the Number Line
In this interactive, use logic to solve riddles involving a wallaby jumping contest. Then, place each contestant's jump -- a fraction, mixed number, or decimal between -5 and +5 -- at the correct point on the number line. Backward jumps...
PBS
Pbs Learning Media: Logical Leaps: Fractions and Decimals From 0 to 1 on the Vertical Number Line
In this interactive, use logic to solve riddles involving a flea-jumping contest. Place each contestant's jump, represented by either a fraction or a decimal in both feet and inches, at the correct point on the vertical number line....
Scholastic
Scholastic: Math Maven's Mysteries: Mystery at the Third Strike Sports Store
Solve a mystery using your reasoning skills. At this site use all the clues and figure out the winner of the Third Strike Contest.
Maths Challenge
Maths challenge.net: Right Angle Reasoning
A geometry problem for students to use their mathematical reasoning skills to explain a right triangle property.
Science Education Resource Center at Carleton College
Serc: Geo Logic: How Much of the State Is Wet
Using investigation and inquiry skills, students match classmates with their home state, and their states with the area and percentage of area of surface water that they contain, as well as where each of the states rank nationally in...
Texas Education Agency
Texas Gateway: Differentiate Among Empirical, Anecdotal, and Logical Evidence
[Accessible by TX Educators. Free Registration/Login Required] In this lesson, students will learn about three types of evidence that writers often rely on: logical, empirical, and anecdotal. It will also help you distinguish among these...
Grammarly
Grammarly Handbook: Logic in Argumentative Writing
An explanation and examples of several different types of logic that can be used in argumentative writing.
Math Planet
Math Planet: Geometry: Proofs Using Algebra
Examples and a video lesson help to explain proofs and logic. [1:57]
National Council of Teachers of Mathematics
Nctm: Figure This: Pigeonhole Principle
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...
University of Cambridge
University of Cambridge: Nrich: Seating Arrangements Plus!
Using your reasoning skills and the clues provided, try to figure out who is sitting where at this table of six. Check the solution and see if you are correct. You can choose similar games and math problems on this page, or choose math...
University of Cambridge
University of Cambridge: Nrich: Briefcase Lock
Use logic and reason to figure out what the correct combination of numbers are for the locked briefcase. At this one page website you can also check the solution.
University of Cambridge
University of Cambridge: Nrich: Zargon Glasses
On this one page website using logic you can help Zump figure out which combination of glasses go to which members of the 9 families who ordered glasses one day. Check your answer against the solution provided by the website.
University of Cambridge
University of Cambridge: Nrich: Calendar Cubes
Solve this problem using your reasoning problem solving skills. The solution is available on this one page website.
Alabama Learning Exchange
Alex: Using Scale Factors: Drawing Your Body to Scale
Teachers will use this lesson plan to review and apply skills involving scale factors. Teachers will use illuminations website to review scale factor. Then students will be given instructions to draw their bodies to scale.
Georgia Department of Education
Ga Virtual Learning: Logical Fallacies List: Arguments to Avoid [Pdf]
This is a multi-page PDF list of logical fallacies to avoid when writing. These include a detailed list includes fallacies in relevance, reasoning, omission, and ambiguity; and discusses the logic tool "Occam's Razor." This list of...
ABCya
Ab Cya: Light on 2
Who turned off the lights? Well, we'll need your help turning them back on. Use logic and reasoning to light up the rooms with the different tools provided. Are you bright enough to complete this challenging puzzle game?
Other
Epsilones: Problemas Pi
Use logic or your knowledge of mathematics to solve this collection of math problems. Solutions are provided. [In Spanish]