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Leaf Stomata as Bioindicators of Environmental Change
Students, in this experiment, collect leaves from two species of trees and the stomatal index on the upper and lower epidermis of each leaf be determined.
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Leaf Stomata as Bioindicators of Environmental Change
Learners perform an experiment to determine the stomaltal index on the upper and lower epidermis of two species of leaves. Stomatal densities change in response to changing atmospheric levels of carbon dioxide and to annual rainfall.
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Seed Germination
Learners explore the process of seed germination. For this botany lesson, students complete an experiment with seeds. Learners observe soaked and dry seeds. Students allow the seeds to germinate and make observations during this time....
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With Liberty & Top Soil for All
Middle schoolers compare the basic needs of plants to the basic needs of democracy. In this democracy comparison lesson, students complete a worksheet on what happens to a plant that's not nourished. Middle schoolers draw a correlation...
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Mixed Expressions and Complex Fractions
Students are introduced to mixed expressions and complex fractions. They work through several problems with the instructor and then complete a worksheet.
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Homer/Scarecrow Worksheet
In this Pre-calculus instructional activity, learners consider a scenes from The Wizard of Oz and The Simpsons refering to the Pythagorean Theorem. Students analyze the statement for errors and write about another...
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Complexity
Students perform mathematical operations on complex numbers. After a lecture/demo, students utilize a worksheet imbedded in this plan to gain practice performing operations on complex numbers.
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Calculating the shortest distance between two points
Eighth graders find the length of the third side of a right triangle.
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Problem Solving
Eighth graders complete Calculator Explorations, Problem -solving, and the Discussion topic as outlined in the worksheet from Lola May's Teaching Math - Extending the meaning of multiplication and division.
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Pyrotechnics
Students discuss pyrotechnics and what they have noticed about their height and speed. They think about the path which fireworks follow which is a parabola. They follow multiplication patterns to determine the Zero Product Property and...
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Escape! Survival of the Fittest Grasshopper
Fourth graders, in groups, design a paperclip grasshopper. They determine its ability to survive a prey by jumping high, far, or with a distracting behavior.
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Diagonal Lengths
Middle schoolers collect, organize, and analyze data while studying the Pythagorean Theorem, measure length and width of several rectangular objects, and compare the measured results to the calculated results.
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Around and Around We Go
Fourth graders discover that a polygon is a closed figure formed by line segments, and that the perimeter of a polygon is the sum of the lengths of its sides. They utilize a worksheet imbedded in this plan to gain lots of practice with...
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Central Tendencies and Normal Distribution Curve
Fourth graders are given data (class test scores) to determine central tendencies, and find information needed to construct a normal distribution curve. They become proficient in calculating mode, median and average.
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Which Is the Better Car Deal?
Students investigate whether it is more economically sound to take a low financing rate or rebate when purchasing a car.
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Flow Rates of Faucets and Rivers
Students work together to discover the flow rates of faucets and rivers. They relate their results to engineering and applied science concepts. They make predictions on the flow rate of a nearby river in their local community.
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Base 3
Learners investigate this problem that aims to give a better idea of our decimal system by looking at a comparable system - the base 3 system. By seeing how base 3 numbers work students should have a better appreciation of base 10...
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My Son is Naughty
Learners find factors of numbers; work systematically; and use logic to explain away certain possible number combinations. They then devise and use problem solving strategies to explore situations mathematically.
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Every Breath You Take
Middle schoolers explore the nature of the air we breathe by observing petri dishes that have accumulated particulate matter from the atmosphere. Students make mathematical calculations and inferences about the effect of this matter on...
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Multiplying and Dividing Rational Expressions
In this algebra worksheet, students simplify rational expressions. They multiply and divide to solve the expressions. There are 9 questions.
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Arithmetic Complex Numbers
Students convert quadratic functions from standard form to vertex form. In this algebra activity, students solve polynomials using synthetic and long division. They derive and apply the remainder theorem and factor theorem.
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Five Quadratic Formula Problems With Examples
In this quadratic equation learning exercise, students solve five quadratic equations using the quadratic formula. Several fully worked examples are provided.
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Quadratic Review
In this quadratic review worksheet, learners work with an overview on how to solve and graph quadratic equations. Twelve fully worked examples are shown.
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"Where in the West" Guided Reading Lesson
Students complete a vocabulary chart, review proper/common nouns, discuss and review comparative adjectives and make "self to text" connections before reading. For this language arts lesson, comprehension questions are completed during...