Curated OER
Inductive and Deductive Reasoning
Students 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 groups,...
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....
Illustrative Mathematics
Find the Angle
This a fun problem for young geometers to play with while gaining important insight into deductive reasoning. Some will find the answers very quickly, others might take a less direct path, but all will use their knowledge of the sum of...
Curated OER
Bridge-Crossing Puzzle
In this bridge-crossing worksheet, students read a word problem. They use logic and deductive reasoning to determine the correct combination for two men to cross a bridge at the same time to get the anticipated results. This one-page...
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
Deductive Reasoning
In this deductive reasoning worksheet, 10th graders solve 6 various problems applying deductive reasoning to each. First, they determine if a valid conclusion can be reached from the 2 true statements using the Law of Detachment or the...
Curated OER
Deductive Reasoning
For this deductive reasoning worksheet, students solve ten different problems by applying deductive reasoning to each one. First, they determine if a valid conclusion can be reached from each of the 2 true statements given using the Law...
Curated OER
Answer the Questions Based on the Venn Diagram: Deductive Reasoning
In this deductive reasoning worksheet, students answer 5 questions about a Venn diagram. Students use deductive reasoning to answer each question.
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.,...
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
Mr. P's Life Problem
In this life problem worksheet, students read given facts. Afterward, they use logic and deductive reasoning to determine answers to given questions. This one-page worksheet contains 11 problems. Answers are provided at the bottom of the...
Curated OER
The Face Card Problem
In this deductive reasoning worksheet, students arrange cards to they fit the clues given in the puzzle.
Curated OER
Warm-up #7b -- Hair Raising!
For this reasoning worksheet, students use deductive reasoning to determine which people purchased a haircare item. They complete and record 7 steps to find the answer.
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
Secret Country Code Breaker
Super cool and totally fun math awaits your class. They are the code breakers, and their job is to identify and locate the secret agent by breaking two different codes. They use all their skills to solve a series of double-digit addition...
Curated OER
Math Detectives
Are your kids math detectives? Do they enjoy solving mysterious math problems? If they don't, they will! Here are two fun word problems set up as clues to a mystery. Students will need to use their math skills to solve these problems.
Noyce Foundation
The Shape of Things
Investigate the attributes of polygons. A thorough set of lessons presents problem scenarios for elementary through high school classes. The first lessons focus on basic characteristics of polygons, including the line of symmetry. As the...
Curated OER
The Harry Potter Problem
In this Harry Potter worksheet, students read a portion of an inscription from the book. Students use logic to determine the contents of the seven bottles described in the paragraph. This one-page worksheet contains 1 logic problem. ...
Curated OER
Aging Problem
In this aging problem, students read a word problem, write an equation, and determine the current age of specified persons. This one-page worksheet contains 1 multi-step problem. The answer is provided at the bottom of the page.
Curated OER
Tricky Track Problem
In this problem solving worksheet, learners find the results of a track meet. Students are given clues in the problem, and challenged to determine the winner of the high jump.
Curated OER
Handley 75th Anniversary Football Problem
In this football worksheet, learners read clues and use logic to determine the names of football players. This one-page worksheet contains 16 problems. Answers are provided.