Curated OER
Venn Diagram Lesson Plan
Students use Venn diagrams in order to classify different objects and numbers. They then use "Venn Diagram Shape sorter" applets on the computer.
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Mathematical Proofs
Students explore the nature of mathematical proofs and mathematical inquiry. They complete the activity "Using the Pythagorean Theorem". They read selected articles and participate in class discussions.
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Robots
Fourth graders devise and use problem solving strategies to explore situations mathematically (guess and check, make a drawing, use equipment). The use of logical reasoning is a focus of this instructional activity.
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Noughts
Students try to figure out the strategies to the game Noughts. Students logic must play a part in the process of the game. Students apply the symmetries of regular polygons. Students devise ways to critically follow a chain of reasoning.
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Here's Looking at You
Students assess some common inherited traits which are easily observable and note their phenotype for the trait. Students compare their phenotypes to those of their parents and attempt to describe the pattern and manor of inheritance.
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Brian's Pegboard II
Students are able to assess a problem and use systematic methods to solve the problem. They also find out all the possible outcomes for a sequence of events using tree diagrams.
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No-Three-In-A-Line Again
Students interpret information and results in context while using words and symbols to generalize patterns. They use symmetry and angle properties of polygons to solve practical problems and identifying invariant properties under...
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Weighing Time
Students devise a strategy to solve problems that is done in a systematic and mathematical fashion. The finding of the unknown value is the focus of the instructional activity. To solve linear equations proficiently is the skill of the...
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Finding Satisfactory Solutions
Students explore the creative aspects of problem-solving and practice creative problem-solving strategies in the context of a story problem. They decide where to locate ice cream stands in a town so that no one has to travel too far to...
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Exploring the Celestial Neighborhood
Ninth graders study the origin and organization of the solar system. They investigate the Earth's place in the system and how planetary motions explain natural phenomena observable from Earth.
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Thinking Skills: Find the Correct Shape
In this thinking skills instructional activity, students read three clues to figure out which of three pictures of geometric shapes is the correct one. Students draw an X on each shape that doesn't fit the clues. Students circle the...
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Narrow it Down: Numbers
Elementary learners of all ages utilize their number knowledge by playing a 20 questions style game. They participate in a game in which they ask yes or no questions to a group leader in order to discover which number the leader has...
Alabama Learning Exchange
Are Your Numbers Round?
Elementary schoolers investigate how to round numbers to the nearest tenth. In this number sense lesson, learners view a video clip on the Internet to practice rounding numbers. They use place value charts to help aid in the rounding...
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Property Lists for Quadrilaterals
High schoolers establish classifications of shapes by various properties (angles, sides, etc.). They introduce the important properties of common shapes. Students develop an awareness of the wide variety of ways the 2-D shapes can be alike.
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Triangle Inequality
Students discover that the sum of the lengths of any two sides of a triangle must be greater than the third side. They are shown how a triangle is formed using three strips such as that the triangle is seen inside the strips.
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Who Grows Cabbage?
Students use logic to solve the puzzle about vegetable farming. In this logical thinking lesson plan, students use the game board of various vegetable categories to define which farmer grows cabbage. Students use the clues to help them...
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Probably Pistachio
First graders practice making logical predictions from information they are given.
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Getting to the Bottom of the Pyramids
Students work together to develop logical arguments about pyramids and chain letters. They share their ideas with other groups and create a diagram showing the breakdown. They discuss the results.
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Body Changes in Space
Learners explain the cause of and effects of fluid shift in a microgravity
environment. Students identify the effects of microgravity during long duration space flight. Learners describe research on cardiovascular effects in microgravity...
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Boolean Algebra
Students play a series of games involving Boolean logic. In this Boolean Algebra lesson, students participate in games such as "George Boole Says" to explore Boolean logic. The format of the lesson is difficult to read.
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Name that Number
First graders state numbers from 1 to 100. In this name that number lesson, 1st graders must identify and state 10 random numbers given on a worksheet.
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Equation of State Problem Set
Students demonstrate their understanding of the equation of state by computing the gas constant from air properties. They use online research tools and apply integrated math problem-solving strategies to solve problems outside the realm...
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Using Trigonometry
Fifth graders explore the use of trigonometry to find unknown sides and angles in right-angled triangles, taking the concepts that were developed in the previous unit and looking at different ways of practicing the new skills. Students...
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Patterns
Second graders create an ABAB pattern with their name. In this early elementary math instructional activity, 2nd graders first model their names in an ABAB pattern with unifix cubes. They then recreate the pattern using letter stamps on...