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Ratios, Proportions, and Cross-multiplication
Middle schoolers use cross-multiplication to find the unknown respiration rate of an astronaut. In this multiplication lesson plan, students also use the same process to find missing values in proportions.
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The Statistics of Coins
Middle schoolers use skills of observation, recording, and calculation to provide an overview of years of cents (pennies) in circulation in the local area.
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Weather Plots
Students investigate the relationship between temperature and humidity. The graphs of weather data gathered and plotted for for an assigned period of time are analyzed and the interpretations shared with the class.
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Cannot Buy Me Love
Students investigate the concepts that are related to finance and how it is used in the world. They take part in activities that are focused around the use of a spreadsheet while using a T-chart to simulate a ledger of credits and debits.
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Precision Tools
Students discuss the appropriateness of using a specific tool to measure and define an object. After measuring the area of their classroom and the objects in it with the appropriate tools, they create a floor plan that makes the most...
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Fractional Blocks
Students explore the concept that fractions can also be considered a ratio. They discover that the fraction bar can be read as "out of." Students practice basic multiplication facts and use patterns to find fractions of shapes.
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Fra-Per-Dec
Students explore the concept of ordering fractions and finding equivalent fractions. In this ordering fractions and finding equivalent fractions instructional activity, students play a card game where students must collect 5 cards with...
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Population Ratios
Students access web site and record various population statistics pertaining to a county in the USA of their choice. They use this data to set up and solve ratios. They compare data to make meaning of the numbers.
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Buying My First Car
Learners pretend they are about to buy their first new car. They must do all the calculations necessary to estimate the cost of purchasing the car. They see that the math they learn in school really does have real-life applications.
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The Household Environment Survey
Students examine data collected from a national survey of household environmental practices to develop their own questionaires. Once they have their own survey questions, students conduct their own investigations, and report their findings.
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Rubber Gardens
Students recycle discarded automobile tires and create gardening sites for limited space areas.
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Who Would Have Figured?
Students investigate what happens when a coin is tossed a few times versus many times. They analyze, in groups, the data from tossing coins, and the Law of Large Numbers.
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Creating a Bar Graph with a Graphing Program
Young scholars use the S'COOL data base to create a bar graph.
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Math and Science in a Wetland
Learners describe safe practice when doing field and lab investigations in a estuary or wetland. They create a model of an estuary and describe their value and function. They participate in field study in which they collect and analyze...
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Monitoring Math with a Statistical Spreadsheet
Students use a spreadsheet to compute landmark statistics of a math
quiz. This lesson can be ongoing throughout the school year and it integrates mathematics curriculum and technology in a simple format for student use.
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Term Deposits: Worth the Wait?
Young scholars study term deposits and the attributes of long and short-term savings. They examine their spending habits while looking at how different types of accounts meet different economic goals. They complete worksheets that are...
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Squirt Level 3
Young scholars use the instructional activity, "Squirt", to support students' development of multiplicative thinking. Squirt encourages young scholars to anticipate multiplicative measurement relationships, e.g. three measures of A fit...
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The Fathers' Day Card
Learners subtract using decimals and find half of a decimal number. They write and solve problems which involve decimals and which require a choice of one or more of the four arithmetic operations.
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Basketball Caps
Young scholars work on a problem, individually or in pairs. They are asked questions that focus on average. They discus that the average number represents an equal redistribution , rather than just being able to state the rule. They...
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The Clumsy Tiler N (Fractions)
Students explore patterns and geometric sequencing. Students devise and use problem solving strategies to explore situations mathematically. Students solve real life problems. They demonstrate, with cardboard pieces, fraction and...
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Create A Question
Students explore mathematical problem solving. Given a case problem, students write a rule to solve problems involving decimal multiplication and division. They invent problems, share them with the class, and solve other student's...
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Adding Ten Tiles I
Students practice this problem that needs a certain amount of experimentation (trial and error) to get any answer at all. In the process they practice their basic number facts. However, to get the complete set of answers Students need to...
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Square Pegs in Round Holes
Sixth graders problem solve the square peg in the round whole problem by applying knowledge of the formulas for the areas of the circle and the square. They decide on a problem solving strategy based on logical reasoning.
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The Difference Bar 2
Pupils use Internet software, The Difference Bar, to work out the difference between two numbers by breaking numbers into parts. Students use mental strategies to work out the difference between any 2 two-digit numbers. Pupils describe...
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