Illustrative Mathematics
Voting for Three, Variation 1
This is an opportunity for young mathematicians to apply reasoning to solve real-world problems with ratios. Even though there are three candidates for class president, young scholars will only consider two at a time, making the first...
Curated OER
Why Does ASA Work?
Your geometry learners explore Angle-Side-Angle congruence in this collaborative task. The sum of the interior angles of all triangles being one hundred eighty degrees, is the key learners will discover as they explain their reasoning...
Center for History Education
Was the Stamp Act Fair?
Pledge your loyalty to the king and the Stamp Act or sign an oath against the tax. After simulating an in-class tax for school supplies, young historians consider the reasons for the Stamp Act and similar colonial policies. The...
Curated OER
Logic- Always and Sometimes
Second graders investigate logical reasoning. In this math vocabulary lesson, 2nd graders explore the words: always and sometimes while evaluating story problems. Students create images on KidPix to illustrate their understanding of the...
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PLANETS IN PROPORTION
Students discover scales for both the solar bodies' relative sizes and their distances from the sun. They find equatorial circumference and volumes of their solar bodies. Students apply estimation strategies and proportioanl reasoning to...
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Scientific Methods in Biology
In this scientific methods worksheet, students will review the steps necessary in testing a hypothesis including the types of reasoning and variables involved. This worksheet has 6 terms in a crossword puzzle and 4 fill in the blank...
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Probability and Statistics
Young scholars reason mathematically as they solve problems dealing with probability of an even occurring. In this probability instructional activity, students differentiate between different rankings of candidates running for...
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Best lesson in the whole world!
Students study the concept of fraction using mathematical reasoning. For this problem solving fraction lesson, students use various methods to explain their reasoning in solving fractions. Students use a number of different prompts to...
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Baseball Proportion
Eighth graders measure regular baseball bats and souvenir bats in centimeters. They determine how tall a person would be to be in proportion to the souvenir bat, create a poster depicting the person, and explain the proportional...
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With Detective Fiction in the Urban Classroom
Students listen to a verbal explanation of the function of deductive reasoning and problem solving. They read one of Donald Sobol's 'Two-Minute Mysteries' and complete a worksheet requiring them to write out the information which is...
Curated OER
Number and Operations- Using Gift Certificates
Students apply number and operation skills to learn how to spend a gift certificate. In this mathematical reasoning lesson plan, students use base 10 blocks as money and calculate how much money they have.
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Bagel Algebra
Ninth graders apply proportional reasoning to a real-life situation. In this Algebra I lesson, 9th graders explore a series of equations that relate to a display sign that compares the owner’s bagels to competitors bagels. ...
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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
Thinking About Hate
This instructional activity starts out with a guided discussion about the statement "Birds fly in the sky; airplanes fly in the sky; therefore, airplanes are birds" and goes on to cover logical fallacies and reliable sources, relating...
Illustrative Mathematics
Converting Square Units
Jada has a rectangle board that is measured in inches. Young learners confirm their understanding of converting inches to feet. Then they find the area in square feet. Jada thinks she has a short-cut to convert inches square to square...
Curated OER
River of Venom
Read an exciting science mystery about killer bees online, evaluate a list of clues, and try to answer the questions correctly. The story responds to the reader's choices and presents research material for the next step. Though the...
Curated OER
The Distance Formula and Marching Nonviolently for Social Change
Students explore the distance formula using real world data from nonviolent marches for social change. In this secondary mathematics lesson, students investigate the marches of Gandhi and King using maps overlaid with a coordinate...
K-5 Math Teaching Resources
Show Your Work Recording Paper
"Show your work!" It's the math teacher's mantra. Support your class with meeting this reasonable requirement with this set of recording paper templates.
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Five Great Reasons to Live on the NC Coast
First graders create ClarisWorks Slide Show on "Five Great Reasons to Live on the NC Coast," incorporating pictures from various sources, use word processing skills to write brief explanation of their reasons, and create individual flap...
Curated OER
Goals-Reasons Web
In this graphic organizer worksheet, students set a goal and write two reasons for setting that particular goal. Students also include facts or examples connected to their reasons.
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Analyzing Reasonableness
In this analyzing reasonableness worksheet, students solve 6 word problems pertaining to a recipe for cereal snack mix. The problems include basic fractions.
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Problem-Solving Decisions: Reasonable Answers 13.6
In this solving word problems worksheet, students read a problem and write word answers for each step to find the solutions and then apply these steps to solve a word problem to determine if the answer is reasonable.
Curated OER
Inductive Reasoning
In this algebra instructional activity, 10th graders apply inductive reasoning as they figure out the next number in the sequence or pattern. There are 53 problems.
Curated OER
Stupid Quiz
Students listen and discuss word problems that promote students to demonstrate logical reasoning. In this logical reasoning lesson plan, students discuss 10 word problems.
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