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Organizer
Curated OER

Logic

For Students 10th
For this geometry worksheet, 10th graders investigate and solve various logic problems including the constructions and use of two way tables and Venn diagrams to assist in problem solving.  The eleven page worksheet contains nine...
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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. 
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Worksheet
Curated OER

It All Adds Up Math Puzzle

For Students 4th - 5th
In this math puzzle instructional activity, learners solve a 10 space addition puzzle in which the rows and columns add to be the number given at the end of each row.
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Worksheet
Curated OER

It All Adds Up- Math Square Puzzle

For Students 3rd - 4th
In this addition puzzle worksheet, learners solve a math square in which rows and columns are added to equal the number provided at the end of each row. Students insert the digits in the puzzle to make correct addition sentences.
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Lesson Plan
Curated OER

Weekly Math Challenge

For Teachers K - 5th
Learners solve a new math challenge every week. In this math center activity, students explain the process of solving the weekly challenge. Learners are assessed on what is included in their challenge notebook. Students earn rewards for...
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Worksheet
Curated OER

Math Cross-- Puzzle #33

For Students 5th - 6th
In this math puzzle learning exercise, students solve 28 problems and insert the answers into a puzzle grid. The problems include all 4 math operations, telling time, measurement, word problems, rounding, money, order of operations and...
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Worksheet
Curated OER

Math Made Me, Glad

For Students 8th - 12th
In this math puzzle, each letter stands for a number. Students find the numbers to substitute for each letter so the words "math made me glad" add up to "momma." Eight solutions are shown on the answer key.
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Unit Plan
Intel

Forensics: Get a Clue

For Teachers 6th - 8th Standards
Although the methods are all scientific, forensic science was started by police officers rather than scientists, who relied on observation and common sense. Young detectives use many tools to solve crimes around the school in a...
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Worksheet
Curated OER

Problem-Solving Strategy: Use Logical Reasoning

For Students 3rd - 5th
In this logical reasoning worksheet, students utilize the problem-solving strategy of logical reasoning to answer 2 short answer mathematical questions.
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Worksheet
Curated OER

Problem Solving Strategy: Logical Reasoning

For Students 3rd - 5th
For this problem solving strategy worksheet, students solve 6 math word problems that require them to use logical reasoning skills.
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Worksheet
Curated OER

Problem Solving: Strategy: Use Logical Reasoning

For Students 6th
In this problem solving strategy worksheet, 6th graders solve a story problem using the strategies of understand, plan, solve, and look back.
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PPT
Curated OER

Fallacies of Relevance

For Teachers 11th - Higher Ed
Review more than nine verbal and written fallacies in arguments. Many definitions and examples are given to encourage your scholars to avoid fallacies such as ad hominem and red herring. By doing this, they will have stronger speeches...
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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...
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Activity
Illustrative Mathematics

Points equidistant from two points in the plane

For Teachers 9th - 12th Standards
Young geometers apply their deductive reasoning skills and knowledge of proving triangles congruent in a task that asks them to prove if a point lies on the perpendicular bisector of a segment, then it is equidistant from the endpoints...
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Lesson Plan
Education Development Center

Algebraic Habits of Mind

For Teachers 6th - 9th Standards
Math really is just one big puzzle waiting to be solved. Show learners that math can be intriguing and provide them with visually engaging problems and puzzles. The focus is on solving simple equations and looking at expressions. 
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Lesson Plan
Curated OER

Problem Solving: 100 Board Logic Problems

For Teachers 3rd - 5th
Get mathematicians engaged with number terminology using this puzzle activity! Learners determine the selected number from a hundred board by eliminating numbers using clues. As a group, each learner has a specific role, outlined in the...
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Lesson Plan
Curated OER

Applied Science - Science and Math (K) Lab

For Teachers K
In this shape lesson, learners cut out tangram shapes and create different pictures with them. They look at 3-D shapes as well. There is a nice, hands-on component built into this lesson.
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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...
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Worksheet
Curated OER

Probability Crossword

For Teachers 4th - 8th
Make probability fun and test your learners' knowledge of math probability vocabulary. Print out this crossword puzzle and see if they know enough about outcomes and experiments to fill in the blanks. The answer key is attached in...
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Assessment
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CCSS Math Activities

Smarter Balanced Sample Items: High School Math – Claim 3

For Teachers 9th - 12th Standards
Communication is the key. A presentation provides 25 sample items for Claim 3, Communicating Reasoning, for the Smarter Balanced High School Math assessment. Items require pupils to answer the question and provide logical reasoning to...
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Worksheet
Curated OER

A Blast of Math

For Students 4th - 5th
In this metric measurement activity, students solve 20 fill in the blank questions related to metric measurement, converting metric units, area of rectangles, picture graphs, patterns, geometric shapes. Students then convert 9...
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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.
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Lesson Plan
Curated OER

Yummy Math

For Teachers 1st - 3rd
Young mathematicians use bags of Skittles to help them gain practice in graphing and organizing data. They work in pairs, and after they have counted and organized their Skittles, they access a computer program which allows them to print...
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Worksheet
Curated OER

Product Puzzle

For Students 2nd - 4th
Make multiplication facts a little more fun using a crossword puzzle! Learners solve twenty-eight problems and fill in the puzzle as they go. The advantage is that they know if they have done something wrong because of discrepancies in...