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
Learners 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
Problem-Solving Methods in Biology
In this problem-solving worksheet, students will read a biologist's observations about elephant communication. Students will write down what the biologist observed, what facts she knew about elephants, and her hypothesis. Students will...
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
Young scholarsare 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...
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
Mystery State #32
There is no better way to start a lesson, than with a good problem-solving activity. Give your class the chance to see if they can use each of the five clues to determine the name of mystery state number 32. Hint: It's the eastern most...
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
Mind Benders: Name the Animals
In this deductive reasoning worksheet, students read the clues about a cat, a small do, a goat, and a horse and identify them. Students solve 3 answers.
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!
In this reasoning learning exercise, learners 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.
Curated OER
Mystery State # 44
Problem solving comes in all shapes and sizes. Here is a short problem-solving activity that requires learners to use five clues to determine the name of mystery state number 44. Do you know from which state Elvis hails?