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Animal Skin
Young scholars investigate the skin surface to body area ratios for different animals. In this seventh/eighth grade mathematics/science lesson plan, students explore heat transfer between an animal’s body and the environment. Using...
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Scaling Our School
Fourth graders practice estimating the length and height of buildings at their school. They then compare their estimations with the actual heights or lengths. Each student then builds a scale model using ratio to translate the "real"...
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Slope Exploration
For this slope exploration worksheet, 9th graders solve and complete 18 different problems that include graphing and investigating the slope of various equations. First, they graph each pair of points and draw a line that contains both...
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Dihybrid Cross Punnett Squares
In this dihybrid cross instructional activity, students complete two punnett squares for the cross of two traits. They determine the genotypes, phenotypes and phenotypic ratios of the offspring.
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It's Greek to Me!
Students explore Greek Mythology. In this Greek Mythology unit, students read myths, pantomime vocabulary words, practice research skills, create city-states, and demonstrate knowledge of ratios and proportions. This unit includes many...
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Circles and Squares
In this area worksheet, students find the ratio of 1 area problem. Students find the ratio of areas of inscribed circles to circumscribed squares.
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Percent Notation
In this algebra worksheet, students divide circles into equal portions as they explore percents and decimals. They convert between decimals and fractions using ratio and proportion. There are 8 questions.
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Math and the Greek-Golden Proportions
Fourth graders study math and the golden mean. In this math meets Greek history lesson, 4th graders study ratios and proportions in relation to the Greeks. The use of clay is incorporated ino this lesson.
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Robot Gears
Students build simple gear trains and record data to discover how to compute gear ratios. They investigate the definition of torque and how torque can be increased or decreased in a gear train.
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How Stuff Is Put Together (Chemical Bonding)
Fourth graders participate in a simple experiment that shows the ratio of elements that make up water.
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Paying for Crime
Learners participate in activties examining ratios and proportions. They use graphs to interpret data showing the government's budget for prisons. They present what they have learned to the class.
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Graphing and the Coordinate Plane
Students examine the four quadrants of Cartesian coordinate plane. They play maze games and coordinate games to discover how to read and plot points on the plane. Students plot points on the coordinate plane and examine the ratio of...
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Build a Skittles Graph
Students construct a bar graph with a given set of data. They calculate the ratio and percent of the data. Students discuss alternate ways of graphing the data as well as multiple strategies to approach the task.
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Density
Learners explore and analyze the relationship between density, mass, volume and ratios. They complete a lab to define mass and volume and then show the density that equals a mass and volume formula. Their lab involves a suitcase,...
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Interesting Properties of Cubic Functions to Discover Graphically or Numerically
Learners investigate the slope of a cubic function. They find the tangent line of the cubic function at point P, and discuss the relationship between point P and point Q, the point the tangent line intersects the cubic function. They...
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Further Trigonometry
In this trigonometry worksheet, students solve and complete 5 various types of problems. First, they find the exact ratios for each trigonometric function. Then, students use the expansion to find the exact value of a given trig...
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Metrics
In this metrics worksheet, students read information about the metric system. Students review the concepts of prefixes, conversion ratios, and the decimal system. This worksheet has 17 matching, 31 fill in the blank, and 8 word problems.
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Pea Plants Dihybrid Cross
In this dihybrid cross activity, students are given four crosses to complete using punnett squares. They determine the genotypic and phenotypic ratios of the offspring.
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Understanding Chemical Equations
In this chemical equations activity, students identify the reactants and the products, state what phase each is in, and state the mole ratios of all the products and reactants. Students complete 10 problems.
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The Earth and Moon to Scale
For this Earth and Moon worksheet, learners find the ratio of the Earth's radius to the Moon's radius, they compare the diameter of the Earth and Moon, they create paper models to scale of the Earth and Moon and they compare Earth-Moon...
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Estimating Maximum Cell Sizes
In this estimating cell sizes worksheet, students read about the relationship between a cell's size and the rate of cell waste diffusion. Students solve 4 problems including writing the equation for the rate of waste exchange, finding...
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The Mass of the Moon
In this mass of the Moon worksheet, students use the lunar orbit and the orbit period to determine the mass of the Moon. They solve 4 problems including finding the mass of the Moon, determining the ratio of the Moon's mass to the...
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SAT Problem Solving Practice Test 06
In this SAT worksheet, students solve 10 multiple choice questions. Students find ratios, integer relationships, prime numbers, etc.
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Colorful Fractions
Learners use charts to show fractions. In this fractions and percents lesson plan, students review fractions, percents and ratios. Learners create tables and color the cells to make different fractions. Students answer questions about...
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