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Using Math Concepts to Collect and Document Specimens
Students determine the length and width of leaf samples to the nearest millimeter and the circumference of trees. They participate in a discussion about the importance of collecting specimens carefully. They compile accurate...
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Universal Proportions: Earth and Moon
Students create scale models of Earth, the Moon, and the distances within the universe. Working in groups, they construct their models of Earth and the Moon on a scale of 50:1 and calculate how far apart to place their models. They...
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Math and Measurement
Students use the correct tool to measure distances. In this geometry instructional activity, students use an odometer and ruler correctly as they study maps. They describe how far way something is.
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Side Splitter Triangles
Students investigate the side splitter theorem. In this geometry lesson, students estimate and solve problems dealing with ratios and proportions. They identify angles created by lines that are parallel.
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Problem Solvers
Fifth and sixth graders compare decimals to the place-value structure in the base-ten number system. They represent fractions as parts of unit wholes, as parts of a set, as locations on a number line, and as divisions of whole numbers....
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Sampling Techniques
Sixth graders examine how to select samples and apply them to an experiment. In this sampling lesson, 6th graders use a bag of yellow and blue cubes to take a sample. They predict how many of each color there are the bag. They set up and...
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Cutting the Wood
Students demonstrate and describe the effect of multiplying or dividing by a fraction less than or greater than one. They create and explain a variety of equivalent ratios that represent a given situation. Students draw a picture of...
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It's All About Scale
Sixth graders investigate scale models of toys. In this scale models of toys lesson, 6th graders bring in toys from home to measure. Students discuss scale and what scale is used with their toys. Students determine the...
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Scale Factor Area Perimeter
Mathematicians compare triangles at different scales. In this geometry activity, learners calculate the area and perimeter of triangles. They use the Ti to make observation of the change that takes place as the triangles are dilated.
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More for my Money
Students solve problems involving ratio and proportion. In this algebra activity, students analyze the currencies found in different countries. They create formulas to convert between the different currencies and use ratio and proportion...
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Is Bigger Always Better?
Explore rational numbers with the young mathematicians in your class. They will investigate decimals, fractions, and percents before ordering and comparing rational numbers. This multi-day unit includes differentiation activities and...
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Geometry and Shapes
High schoolers discuss and identify polygons and lines. In this geometry lesson, learners review liner, square and cubic units so they can incorporate it into the lesson on measurement and creating packing that are cost effective.
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This is to That
Students look at ratio, what it means for numbers or objects to be in a given ratio, and how ratios and fractions are related. They write and solve story problems which involve whole numbers, using addition, subtraction, multiplication,...
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Flying with Fractions
Students test their knowledge of the Wright Brothers and their aircraft, and compute ratio of two numbers to determine the ratio between wing span and length of aircraft.
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THE MEAN INDEX CARD
Students cut an index card to create three similar right triangles and explore the congruencies and proportions that exist. They investigate the properties of lines and concepts of congruency, similarity, tangency and symmetry of...
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Scale Me Down
Students create scale drawings, and ultimately scale models, of real-world objects in this Math instructional activity about ratios, proportion, scaling factors, and cross products. The instructional activity includes ideas for...
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Investigation: The Local Bagel Shop
Sixth graders explore economics by solving business math problems. In this ratio and proportion lesson, 6th graders examine different meals to be purchased at a coffee shop and compare which prices make which meals a better purchase....
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poem "One Inch Tall" from the book "Where the Sidewalk Ends" by Shel Silverstein
Young scholars use the terms: ratio, proportion, and measurement in their description of the life of a person one inch tall.
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How Tall Is That Flag Pole?
Students examine various triangles and discuss how similar triangles have sides that are proportional. They utilize an ancient Egyptian method to determine the height of a flagpole.
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Mathematics Within: Algebraic Patterns
Students investigate the concept of using proportions to compare quantities while also practicing calculations for foreign exchange rates. They develop the skill of solving for unknown quantities of money while using an algebraic equation.
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How Far Can You Go On a Tank Of Gas?
Students calculate the distance they can travel on a tank of gas. In this algebra lesson plan, students use ratio and proportion to solve word problems. They graph their results and discuss their findings with the class.
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Hybrid Vehicles: Cut Pollution and Save Money
Young scholars examine how driving a hybrid car can save money and cut down on pollution. In this hybrid vehicles lesson students complete an exercise that shows them how to work with proportions, percents, dimensional analysis and...
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Health/Wellness Interdisciplinary Unit
Students examine human body systems, research a disease or condition, analyze their family trees to look for health conditions and/or diseases which may be prevalent, discover ratio and proportions of human body, and read novel, The...
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Round The Track
Fourth graders develop problem solving skills while learning to measure an athletic track. The focus upon logic and reasoning is helpful for all types of science and math calculations.