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Lesson Plan
Curated OER

Proving Quadrilateral Properties

For Teachers 9th - 11th
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...
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Worksheet
Curated OER

Proof by Induction

For Students 9th - 12th
In this induction worksheet, students read word problems.  They determine the difference between inductive and deductive reasoning.  Students solve the given problem through inductive reasoning.  This one-page worksheet contains 1...
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Lesson Plan
Curated OER

Discovering Math: Concepts in Geometry

For Teachers 8th - 12th
Middle and high schoolers explore the concept of proving the Pythagorean Theorem. They research proofs of the Pythagorean Theorem. Pupils create posters of proofs, and research Greek mathematicians.
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PPT
Curated OER

Math Detectives

For Teachers 3rd - 4th
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.
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Worksheet
Florida Institute of Technology

Who Owns the Zebra?

For Students 6th - 8th
Five women of different ethnicities and living in differently colored houses own different pets, drink different beverages, and work in different professions. Who is who? Solve a logic puzzle that provides 14 clues about connections...
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Worksheet
Curated OER

Missionaries and Cannibals

For Students 7th - 9th
In this missionaries and cannibals worksheet, students read a word problem and use logic and deductive reasoning to solve the problem.  This one-page worksheet contains one problem.  Answers are provided at the bottom of the page.
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Worksheet
Curated OER

The Treasure Hunt

For Students 7th - 10th
In this treasure hunt worksheet, students determine a combination of events that satisfies given conditions.  This one-page worksheet contains 1 logic problem.  The answer is provideed at the bottom of the page.
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Lesson Plan
Curated OER

Do Deductibles Matter?

For Teachers 5th
Fifth graders discuss insurance and the cost of automobile insurance. They compare and contrast the costs of insurance from different companies. They figure the savings from the lowest deductible to the highest deductible.
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Unit Plan
Curated OER

Connecting Algebra and Geometry Through Coordinates

For Teachers 9th - 10th Standards
This unit on connecting algebra and geometry covers a number of topics including worksheets on the distance formula, finding the perimeter and area of polynomials, the slope formula, parallel and perpendicular lines, parallelograms,...
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Lesson Plan
Curated OER

The Race of Baseball All-Stars

For Teachers 7th - 9th
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.
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Worksheet
Curated OER

The Harry Potter Problem

For Students 9th - 12th
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. ...
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Worksheet
Curated OER

Handley 75th Anniversary Football Problem

For Students 8th - 10th
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.
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Worksheet
Curated OER

Tricky Track Problem

For Students 9th - 11th
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.
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Worksheet
Curated OER

Aging Problem

For Students 9th - 11th
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.
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Lesson Plan
EngageNY

Unknown Angle Proofs—Proofs with Constructions

For Teachers 9th - 10th Standards
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...
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Lesson Plan
Curated OER

Arithmetic Chains

For Teachers 8th - 10th
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.
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Lesson Plan
Curated OER

Logic

For Teachers 6th - 8th
Students solve problems using reasoning techniques, identify the validity or non-validity of problems and use deductive reasoning for problem resolution.
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Lesson Plan
Curated OER

Proof by Induction

For Teachers 12th
Twelfth graders define and prove theorems using induction. In this calculus instructional activity, 12th graders differentiate between inductive reasoning and deductive reasoning. They review sigma notations and work proofs by induction.
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Lesson Plan
Mathematics Assessment Project

Deducting Relationships: Floodlight Shadows

For Teachers 9th - 12th Standards
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...
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Activity
Noyce Foundation

The Shape of Things

For Students K - 12th Standards
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...
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Lesson Plan
Curated OER

Four Color Map

For Teachers 3rd - 7th
Young scholars explore geometry by completing a color puzzle. For this shape identification lesson, students utilize deductive reasoning to complete a Google SketchUp puzzle with trapezoid, triangles and rectangular shapes. Young...
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Lesson Plan
Curated OER

Logic and Proof Writing

For Teachers 9th - 10th
Young scholars define inductive and deductive reasoning and write two column proofs. In this geometry lesson, students analyze arguments and draw conclusion. They define steps necessary to arrive at the correct answer when completing...
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Interactive
Curated OER

Using Logical Reasoning

For Students 10th
In this geometry worksheet, 10th graders analyze and solve logic puzzles.  The one page interactive worksheet contains five multiple choice questions, provides a hint, and is self checking.
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Unit Plan
Radford University

The Pythagorean Theorem in Crime Scene Investigation

For Teachers 9th - 12th Standards
It's a Pythagorean who-dun-it. Pupils apply the Pythagorean Theorem in several different real-world scenarios involving right triangles. By solving each task, they find the thief who was responsible for a museum heist.

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