Math Mammoth
Add & Subtract Whole Hundreds 1
In this mathematics worksheet, 3rd graders compare the problem 2700 plus 200 to the problem 27 plus 2 and explain their reasoning. Then they notice the patterns for each of the problems and continue them.
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Mathematics
Twelfth graders explore a variation of proof. In this geometry lesson, 12th graders apply their knowledge of proof to different scenario. They use 3 different tiers to advance through the lesson.
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Mathematics: The Star of David
Sixth graders determine the number of triangles in the Star of David.
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High School Mathematics Problems from Alaska: Writing an Equation: Fundraiser
Students represent relationships between variables by writing, creating, and solving linear equations, and using tables and graphing.
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Mathematics: Budgeting
Students develop a month long budget. They use problem solving skills to adjust their budgets for unforeseen expenses. They use checks to pay mock bills.
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Refining and Reasoning Behind Scale Drawings
Students discuss accuracy and the need for it in blueprints in order to create the final project. They further refine and perfect drawings as part of the school drawing project. Students create a blueprint for the new school building...
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Make Your Own "Weather" Map
Students develop and apply a variety of strategies to solve problems, with an emphasis on multi-step and non-routine problems. They acquire confidence in using mathematics meaningfully.
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Fantastic Fractions
Fourth graders explore and examine through hands-on experience and reasoning the concept of fractions. They solve problems involving multiplication and division of whole numbers and addition and subtraction of simple fractions and decimals.
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Mother Nature Pattern Maker
Students in a teacher education program enhance their awareness of patterns. They discover how to support their students in developing this skill in mathematical terms. They role play the role of a K-2 student and collect images from...
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Developing Thinking and Reasoning Skills in Primary Learners Using Detective Fiction
Students are introduced to the genre of detective fiction. Based on their reading level, they are given a different series of books to read. For each story, they are to make predictions and practice decoding messages. To end the...
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On Our Own- Surviving on Another Planet
Students investigate current models for Lunar and Martian settlements and study the mathematics behind these designs. They design their own Lunar or Martian settlement with an explanation of why their model would work best.
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Lake Crossing I
Students problem solve logic problems using a step by step process in which they act out a problem. They write down each step to of the logic problem to follow a chain of reasoning. They recognize logic arguments after completing the...
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Tessellations: Geometry and Symmetry
Students examine tesselllations and their geometric properties. They have a better knowledge of polygons, can identify types of symmetry in tessellations. Also students use visulization, spatial reasoning, and geometric modeling to...
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Mental Math Counts
Learners use mental math. They describe reasonable and unreasonable sums and differences. Students use mental math to find the sums and differences of addition and subtraction facts at random. They solve addition and subtraction facts...
College Board
Why We Use Theorem In Calculus
Young scholars read an article to explain the reasoning behind theorems. In this calculus lesson, students understand the underlying principles of theorems and how it helps them make sense of the problems. They know why they do what they...
Pennsylvania Department of Education
Kites: On the Right Track
Students use the Pythagorean theorem to discover the relationships between the lengths of sides of a right triangle. In this right triangles lesson plan, students use their reasoning and mathematical skills.
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Algebra: Lesson 4
Eighth graders participate in using algebraic proportional reasoning to find the missing amount that balances on a scale. Substitution is used to discover the missing objects on a scale. They answer multiple choice questions that are...
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Introduction to Fractals: Infinity, Self-Similarity and Recursion
Students think about several of the concepts from fractals, including recursion and self similarity. They use mathematical concepts of line segments, perimeter, area and infinity are used, and skill at pattern recognition is practiced.
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As the Bird Flies
Students investigate the properties of lines and congruent triangle theorems as well as apply geometric properties and relationships to real-world mathematical problems. Given two different scenarios, they examine maps that have been...
Pennsylvania Department of Education
Up on Top
Students make bar graphs and identify items in the bar graphs as being likely, certain, or impossible. In this bar graphs lesson plan, students answer questions about the bar graphs using reasoning and communication skills.
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Journeys from China
Students place the stories of Chinese migration to Australia into geographical context, appreciating the distances travelled and the time involved - suggest reasons that people may have for migrating to Australia.
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Probability, Genetics and the Human Condition
High schoolers explore the concept of probability as it relates us to be able to make predictions about future events based upon our knowledge of past outcomes. They have an innate appreciation for probability. Students make a connection...
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What Is Engineering Design
Students investigate the concepts related to the practice of designing and building large scale buildings. They conduct research using the internet and other resources in order to apply mathematics and architectural design principals in...
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Complex numbers in polar form
Students plot complex numbers in the polar plane. They are asked to list what they believe are the five most famous numbers in mathematics. Students are explained that generally accepted that the five most famous numbers in mathematics...
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