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: Methods of Reasoning
A list (with examples) of common errors in logic including the following: non sequiturs, hasty generalization circular argument, ad hominem, ad populum, and red herring.
Grammarly
Grammarly Handbook: Logic in Argumentative Writing
An explanation and examples of several different types of logic that can be used in argumentative writing.
ClassFlow
Class Flow: Logic and Reasoning
[Free Registration/Login Required] This flipchart defines logical conditional statements in a hypothesis and conclusion formula. Using the if-then model, students will determine hypotheses and conclusions.
Wikimedia
Wikipedia: Deductive Reasoning
This free encyclopedia site from Wikipedia gives a definition and examples of deductive reasoning. It also has links to related terms and topics.
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.
Mensa Espana
Mensa Espana: Lista De Problemas
Spanish content. An extensive compilation of logic and reasoning problems approved by MENSA. Problems are arranged according to difficulty. Each problem is linked to it's solution. A terrific resource for extention and supplemental...
Knowledge Share
Super Kids: Games of Logic and Reasoning
Have your students completed their work? If so, allow them to enjoy some mind relaxing, yet challenging, games at this site. I'm sure you'll get caught up in the fun too.
National Council of Teachers of Mathematics
Nctm: Figure This: Don't Fall In
Have you ever wondered why manhole covers are round? Believe it or not, there is a logical, mathematical reason. See if you can figure it out in this NCTM Math Challenge for Families activity. A one-page activity with suggested life...
Texas Education Agency
Texas Gateway: Evaluating the Effectiveness of Arguments: Identify Fallacies
This lesson focuses on learning to spot logical fallacies in arguments. All of us need to acquire skills to protect ourselves from falling victim to tricks of logic. By learning to detect fallacies, you can protect your values, your...
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.
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....
Annenberg Foundation
Annenberg Learner: Reasoning About Fractions
Apply the reasoning and proof standard to a problem based on the Fraction Tracks game. Students practice building fractions by combining fraction pieces.
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.
University of Cambridge
University of Cambridge: Nrich: Got It
Sharpen your logical thinking and see if you can figure out the strategy to get to the target number before the computer.
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...
Student Achievement Partners
Illustrative Mathematics: Riding at a Constant Speed [Pdf]
Assess students understanding of proportional relationships with this assessment using speed.
Student Achievement Partners
Illustrative Mathematics: Art Class [Pdf]
Students demonstrate understanding of proportional relationships when completing an assessment.
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.
Varsity Tutors
Varsity Tutors: Hotmath: Practice Problems: Logic and Proof Exercises
Twenty-five problems cover the topic of logic and proof in different geometry settings. They are given with each step to the solution cleverly revealed one at a time. You can work each step of the problem then click the "View Solution"...