Curated OER
Building Big and Strong
Middle and high schoolers explore the concepts of architectural rigidity. They analyze a variety of polygons, and explain why some shapes add more strength to structures than others. The PBS video, "Building Big," is utilized in this plan.
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Straws and Shapes
Students investigate the concepts related to observing two dimensional objects. They also build three dimensional objects using the two dimensional objects. The students give an oral or written explanation for how the pieces fit together...
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Exploring Geometric Patterns and Relationships
Students explore the concept of geometric patterns. They use a review of patterns with numbers for a warm-up activity.Then the teacher does examples with the students attempting to find the pattern.
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Exploring Number Patterns
Seventh graders recognize number patterns. As a class, 7th graders discuss strategies for solving number patterns. Given a pattern, they determine the missing terms. They complete a pattern worksheet.
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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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Measure Up!
Discover ways to measure items without standard tools. In this measurements instructional activity, learners estimate how long certain objects are by measuring with a non-standard measuring tool. Students check their estimates with a...
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Collecting Data and Graphing
Young mathematicians collect data and graph it. They work collaboratively to collect data regarding the span of arm length versus height and graph the data they collect.
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Geometric Glossary
Fourth graders use drawing and paint tools to identify, draw and state several geometric terms.
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Reading to Calculate
Students explore uses of the calculator. They explore using reading strategies to solve problems. Students recognize when calculators are useful. They construct real life situations for calculator use.
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Peace Pie
First graders review peacemaking strategies by identifying their capacity of creating and promoting peace within their classroom, home, community, and world. Fractions are introduced through the making of a "peace pie."
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Estimation and Pattern Discovery
Students collect sunflower heads from their community garden. They estimate its seed count using different strategies. They graph their estimations on a graph and use calculators to find the actual total.
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Ohio Census 1990 and 2000
Students begin the lesson by examining Census data from the state of Ohio from 1990 and 2000. Using a worksheet, they solve problems using the data and a calculator. They share their responses with the class and discuss what the data...
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EUREKA! Living Room Redecoration
Tenth graders calculate area and perimeter based on the dimensions of a living room. They use these calculations to respond to questions about supplies needed for painting and carpeting the room. Students use math to solve problems and...
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Studies of the Eastern Worlds: Population Graphing
Seventh graders participate in several learning/research stations in which they view artwork from various countries of the Eastern world and collect information on the populations of the Eastern countries. They then use this information...
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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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Gremlins
First graders investigate the missing numbers on an equation chart in order to practice their addition and subtraction skills. They work with sums up to twenty and use up to twenty objects to work with subtraction equations. They listen...
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Belongs, Doesn't Belong
Fifth graders discover the rule used to sort a set of data into two sets, those data that belong according to the rule and those data that don't belong. Students participate in a game to determine the rule. They discuss strategies for...
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Hooked On Problem Solving
Fourth graders use properties of operations and problem-solving strategies to do mental calculations, and look for patterns in the solutions. They create an array, using each of the digits 1-9 exactly once to form addition problems...
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How Close Is Our Estimate?
Fifth graders estimate perimeter, area, and volume. They measure perimeter and area using nonstandard units of measurement. Students add and subtract non-standard units of measurement. They add mixed numbers and simplify the sum.
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Sandlapper Solutions
Learners use mathematical thinking and reasoning to translate problems into mathematical language and thereby solve the problems. They extend their understanding of whole number operations to fractions and decimals by participating in...
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Ohio Census 1990 & 2000
Students use Ohio census data to solve problems, make comparisons, draw conclusions, and support predictions related to Ohio's population. They interpret and work with pictures, numbers and symbolic information.
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Energy Choices
Students add and multiply decimals to complete gas choice worksheets. They discover which gas supplier has the best gas prices. Students collect and interpret data about local natural gas suppliers and use this information...
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Drip, Drip, Drip
Students gather scientific data and be able to utilize the data to generalize results over a long period of time. They use the appropriate tools to measure quanities of liquids and analyze the data to determine the cost of a leaky faucet.
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Pepe Cleaners
Seventh graders gather data to determine the relationships between the base and height of rectangles with fixed perimeters and express the relationships using words and symbols. Students build rectangles with pipe cleaners. They create...