Lesson Plan
Curated OER

House and Holmes: A Guide to Deductive and Inductive Reasoning

For Teachers 6th - 12th
Test your pupils' reasoning skills with several activities and a quick mystery to solve. Learners watch and analyze a few video clips that demonstrate reasoning in action, practice deduction with an interactive and collaborative...
Lesson Planet Article
Curated OER

Teaching Students Mathematical Reasoning Skills

For Teachers 3rd - 6th
Students can build upon their basic math skills and become higher order thinkers when we encourage the following principles.
Worksheet
Mt. San Antonio Collage

Elementary Geometry

For Students 9th - 12th Standards
Your class may believe that geometry is a trial, but they don't know how right they are. A thorough math lesson combines the laws of logic with the laws of geometry. As high schoolers review the work of historical mathematicians and...
Activity
Florida Center for Instructional Technology

A Human Number Line: Teacher Notes

For Teachers 4th - 6th Standards
Twenty-one pieces of tagboard can lead your class to a greater understanding of integers when you use them to form a human number line. After creating this math tool, two strategies for adding and subtracting will have your...
Lesson Plan
Virginia Department of Education

Inductive and Deductive Reasoning

For Teachers 9th - 11th
Introduce pupils to the two types of reasoning, inductive and deductive. Classmates work in pairs or small groups to learn the difference between the two and apply these reasonings to develop valid conclusions. 
Lesson Plan
Virginia Department of Education

Logic and Conditional Statements

For Teachers 9th - 11th
If there is a conditional statement, then there is a hypothesis and conclusion. Pupils learn how to identify the parts of conditional statements. Class members continue to work with conditional statements and rewrite them in their many...
Unit Plan
Mathematics Vision Project

Module 6: Congruence, Construction, and Proof

For Teachers 8th - 10th Standards
Trace the links between a variety of math concepts in this far-reaching unit. Ideas that seem very different on the outset (like the distance formula and rigid transformations) come together in very natural and logical ways. This...
Unit Plan
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Mathematics Vision Project

Module 2: Systems of Equations and Inequalities

For Teachers 8th - 10th Standards
The brother-sister pair Carlos and Clarita need your class's help in developing their new pet sitting business. Through a variety of scenarios and concerns presented to the siblings, the learners thoroughly explore systems of equations...
Worksheet
Math Stars

Math Stars: A Problem-Solving Newsletter Grade 6

For Students 4th - 7th Standards
Think, question, brainstorm, and make your way through a newsletter full of puzzles and word problems. The resource includes 10 different newsletters, all with interesting problems, to give class members an out-of-the box...
Worksheet
Curated OER

Valentine Sorting Activity

For Students K - 6th
Get that thinking cap on and engage your special ed or autistic learners in a fun sorting activity. This resource includes instructions and all printable materials needed to start sorting. They will sort colors blue and red, numbers 1,...
Worksheet
Curated OER

Number Line: Negative Numbers

For Students 6th - 8th
In this graphing calculator worksheet for the TI-83 calculator, middle schoolers first observe a demonstration for calculating negative numbers. Next, students use their graphing calculator to answer 6 thoughtful T/F and short answer...
Lesson Plan
Education Development Center

Thinking Things Through Thoroughly

For Teachers 6th - 9th Standards
Problem solving is a skill of its own. Learners use a variety of problems to encourage mental math and logic to get the correct answer. Guiding questions are provided along the way to encourage the right way of thinking to help tackle...
PPT
Curated OER

Make the Biggest Number

For Teachers 4th - 5th
Each slide gives learners four numbers to use. They order the numbers into three boxes, in attempts at making the biggest number. This age-old place value game is fun, easy to play, and now ready to use in slide-show format. 
PPT
Curated OER

Place Value Challege: Make the smallest number

For Teachers 4th - 5th
Challenge your class with this place value activity. There are ten sets of four numbers, and they use three number from each set, to construct the smallest number possible. This is a great game to play prior to introducing decimals and...
Worksheet
Curated OER

Delps and Googles

For Students 1st
In this mathematical reasoning worksheet, 1st graders are shown shapes named with the nonsense terms of Delps and Googles. They circle shapes with similar characteristics.
Activity
Noyce Foundation

Circular Reasoning

For Students K - 12th Standards
Examine the origin and application of pi in five different levels. The five lessons in the resource begin with an analysis of the relationship between the radius and circumference of a circle. The following lessons lead learners through...
Lesson Plan
Curated OER

How to Reason

For Teachers 1st - 3rd
Students practice their logical thinking skills. In this reasoning lesson, students complete tasks involving geometric shapes, place value, and odd/even numbers.
Worksheet
Curated OER

Mixed Problems- Logical Reasoning

For Students 3rd
In this mixed math problems activity, 3rd graders complete 8 logical thinking problems. They solve patterning problems, magic squares, mystery numbers, and geometry problems.
Unit Plan
Arizona Department of Education

Area and Perimeter of Regular and Irregular Polygons

For Teachers 3rd - 6th Standards
Extend young mathematicians' understanding of area with a geometry lesson on trapezoids. Building on their prior knowledge of rectangles and triangles, students learn how to calculate the area of trapezoids and other...
Worksheet
Math Stars

Math Stars: a Problem-Solving Newsletter Grade 7

For Students 6th - 9th Standards
Put on your thinking caps because middle school math has never been more interesting in this huge resource full of thought provoking questions. Written as a newsletter, the resource has 10 two-page newsletters with a variety of...
PPT
Curated OER

Repeating Patterns

For Teachers K - 1st
Pattern recognition is a very important skill to foster in younger children. It helps boost algebraic reasoning, logical reasoning, and mathematical reasoning skills. Here are 11 different shape patterns for learners to complete. They...
Lesson Plan
Curated OER

Operation Spaghetti

For Teachers 3rd - 5th
Find the math in recipes. Young chefs will follow a recipe and investigate the total cost for materials. They measure amounts of food necessary for the recipe and compute the per person cost.
Lesson Plan
Curated OER

Improving Deductive Reasoning Skills

For Teachers 7th - 12th
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.
Unit Plan
Mathematics Vision Project

Geometric Figures

For Teachers 10th - 12th Standards
Logical thinking is at the forefront of this jam-packed lesson, with young mathematicians not only investigating geometric concepts but also how they "know what they know". Through each activity and worksheet, learners wrestle with...