Curated OER
Inductive and Deductive Reasoning
High schoolers use logical arguments and inductive reasoning to make or disprove conjectures. After observing a teacher led demonstration, students discover that the deductive process narrows facts to a few possible conclusions. In...
Curated OER
Improving Deductive Reasoning Skills
Students develop a strategy list for problem solving by working with different types of problems. They recognize problems that may be solved using deductive reasoning and solve deductive reasoning problems.
Curated OER
Twenty Questions: The Hundred Chart
Use the 20 Questions game to practice math vocabulary and number properties! Project a hundreds chart and hand one out to learners. Ideally, give them counters (beans would work well) to mark off the chart so you can play multiple times....
K20 LEARN
Simply Elementary, Watson!
Explore the process of inductive and deductive reasoning. A collaborative lesson has some groups apply an inductive approach and others a deductive approach. Through class discussion, scholars compare their processes and discuss...
Curated OER
The Right Stuff
Studentsare introduced to the Pythagorean Theorem by exploring right triangles and the squares built on each side. They apply the Pythagorean Theorem to real-world problems. Students u se informal and nonformal arguments of proof (i.e.,...
Curated OER
Arctica - An Interactive Mystery
Rumours of illness, poisoning, and madness - a ship disappears without a trace! Read this interactive science story and use deductive reasoning skills to solve a mystery. This engaging resource gives science stars a chance to practice...
EngageNY
Unknown Angle Proofs—Writing Proofs
What do Sherlock Holmes and geometry have in common? Why, it is a matter of deductive reasoning as the class learns how to justify each step of a problem. Pupils then present a known fact to ensure that their decision is correct.
Curated OER
Geometry, Measurement & Reasoning
Students construct two-column proofs. In this geometry instructional activity, students use deductive reasoning and geometric properties to justify given geometric statements. Students compare and contrast proofs.
EngageNY
Unknown Angle Proofs—Proofs with Constructions
Provide your emerging mathematicians with the tools to learn as they incorporate auxiliary lines to solve unknown angle proofs in this continuing segment. They decipher information from a diagram to uncover the missing pieces and...
Curated OER
Proving Quadrilateral Properties
Working backwards can sometimes help you see a path to solving a problem. In this chapter, properites of quadrilaterials are proven by looking at flowcharts and working the probem backwards. Worked through examples are given, along with...
Curated OER
Improving Deductive Reasoning Skills
Students recognize problems that may be solved using deductive reasoning, and develop aids to help them in solving these problems. They produce their own deductive reasoning puzzles for other students to solve.
Curated OER
With Detective Fiction in the Urban Classroom
Students listen to a verbal explanation of the function of deductive reasoning and problem solving. They read one of Donald Sobol's 'Two-Minute Mysteries' and complete a worksheet requiring them to write out the information which is...
Curated OER
Problem Solving: Steps and Strategies
Students explore the concept of problem solving strategies. In this problem solving strategies lesson, students discuss methods for solving problems such as re-reading a problem, stating the facts, drawing a picture and so on. Students...
Curated OER
Fiddle Dee Diddle - It's Time For A Riddle
Energize your math class! They will use the story problem process to solve math riddle problems. They compute and solve problems involving addition and subtraction of 3- and 4- digit numbers and basic facts of multiplication and division...
Mathematics Assessment Project
Deducting Relationships: Floodlight Shadows
Try to figure out what happens with shadows as a person moves between two light sources. A formative assessment lesson has individuals work on an assessment task based on similar triangles, then groups them based on their assessment...
Curated OER
Argumentation and Logic
Students recognize inductive and deductive reasoning and analyze common fallacies in critical thinking. In this argumentation and logic lesson, students use role playing activities and specific instances of inductive and deductive...
Curated OER
If It's to Be, It's Up to Me!
Eighth graders discuss the question: How does one become an effective decision-maker or problem solver in social situations? They are given three brief scenarios and after each one students are asked, "What would you do?" Students think...
Curated OER
The Race of Baseball All-Stars
Collect and analyze data. Pupils graph their data and model with it to solve real life problems. They use logic and deductive reasoning to draw conclusions.
Missouri Department of Elementary
Lean Mean Coping Machine!
Seventh graders are asked to choose and rank five scenarios from a list of ten that are most important to them. After explaining the reasons for the choices, they then identify the coping skills they used to make their decisions.
Missouri Department of Elementary
Talk it Over and Work It Out: Compromise!
Stop, Think, Act, Review! Scholars use the STAR method to role play two conflict resolution scenarios about childhood problems such as jealousy or cheating. Then, the larger group judges each case to determine if the compromise is a...
Curated OER
Lean Mean Coping Machine!
Seventh graders apply coping skills to manage life-changing events. They plan and make written, oral and visual presentations for a variety of purposes and audiences, and then exchange information, questions and ideas while recognizing...
Curated OER
Logic
Students solve problems using reasoning techniques, identify the validity or non-validity of problems and use deductive reasoning for problem resolution.
Curated OER
Arithmetic Chains
Students complete a chain of numbers given the outcome. In this geometry lesson, student use deductive and inductive reasoning to solve problems. They create a formula and ways to predict numbers in the chain without starting over.
Curated OER
Click, Clack, Moo: Electric Blanket Science
Pupils read Click, Clack, Moo: Cows That Type by Doreen Cronin and discuss the similarities and differences between electric blankets and regular blankets. They brainstorm a list of reasons why the farm animals wanted electric blankets.