Curated OER
Sieve of Eratosthenes
Young scholars investigate numbers, ways of representing numbers, relationships among numbers and number systems. They comprehend the meaning of operations and how they relate to each other.
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The Price is Right, So Let's Make Change
Young scholars estimate, calculate, and count back the amount of change needed from purchases made during small group activities.
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Let's Measure
Third graders practice measuring different objects. They discover the concepts of ratio and proportion and practice converting numbers into the correct unit. They read stories as well to help them with the concepts.
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Fraction Models
Third graders make models of fractions and mixed numbers. Using fraction strips and drawing pictures, 3rd graders develop conceptual understanding of the equivalent forms. Students use the number line to represent and compare...
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Map Your House
Students are introduced to the concepts of maps as scale models of the whole. After a brief lecture on creating and using an accurate scale when drawing and reading a map. They create a scale drawing of the floorplan of their homes.
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Tzedakah: How Can We Help?
Young scholars define what constitutes a nutritious meal, the price of a healthy meal, and understand that some people can't afford healthy meals. In this healthy meals instructional activity, students estimate and research the cost of a...
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Number Subsets: Winning the Number Game
Eighth graders review their understanding about numbers and number systems through playing the Number Game. They create a list of numbers and based upon the characteristics and properties of the numbers they will earn points.
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Math Jeopardy: Basic Skills
Learners play a PowerPoint activity to be used as a review of basic skills for order of operations, and the operations of addition, subtraction, multiplication, and division for whole numbers, some fractional numbers and integers....
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Finding Sums to 6
Students explore the additive identity property where they add multiple numbers to get to the number 6. In this number 6 lesson plan, students also work on their addition charts.
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Scientific Notation
Sixth graders work with the concept of scientific notation. They work as a class to begin a worksheet on how to change large numbers into scientific notation. They complete the worksheet either individually or in groups.
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Genre Study
Third graders develop an understanding of genre by participating in small- and whole-group activities. In addition, they practice presentation and specific listening skills. This lesson plan assumes students have been regularly exposed...
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The Multiplier (origin of the algorithm)
Students explore basic algorithms for addition, subtraction, and multiplication. They use models to demonstrate solving two-digit by two-digit multiplication. Students demonstrate vertical formats to solve multiplication problems.
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Scientific Notation
Sixth graders are introduced to and practice the concept of scientific notation. Following a brief description of scientific notation and a demonstration of how to convert numbers to scientific notation, 6th graders practice writing...
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Malnourishment and Poverty
Learners discover how poverty impacts people in many developing countries. In this Student Voices against Poverty lesson, students calculate data on numbers of children suffering from Vitamin A deficiency and numbers of people hungry to...
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Estimating With Fire
Students solve problems with percents, decimals and fractions. In this algebra lesson plan, students convert between fractions, percents and decimals. They estimate their answers and calculate their answer.
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Weight
Third graders select appropriate units for measuring and solving problems in customary systems, identify equivalent measures within measurement system, and estimate, determine, record, and discuss weight using appropriate customary...
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Weights in Pounds
Second graders define "pound," estimate and compare weights, and classify objects as weighing more or less than a pound.
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Party Volumes: Measurement
Second graders explore liters and milliliters. They estimate volume and accurately measure the volume. Students plan a party and measure volume using liters and milliliters as part of the planning process.
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What's Your Angle?
Students devise procedures for using a protractor to measure the number of degrees in an angle. They use inductive reasoning skills to construct their own method for effectively using the protractor to measure angles, as well as, make...
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The Real Deal On Circles
Fifth graders investigate circles and area. In this geometry lesson, 5th graders find the area, diameter and circumference of a circle. They estimate the data and then calculate it.
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How Many in a Minute
Students estimate what they can accomplish in a minute. In this estimation lesson plan, students guess how many jumping jacks or stars they can draw in a minute. They get timed and see how close they are to their prediction.
Pennsylvania Department of Education
How Many Ways?
Students estimate the amount of money they have in groups of pennies, nickels, and dimes. For this money lesson plan, students then count up the amounts they have and exchange money amounts.
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Marvelous Mathematics
Students make a table on the computer, but create fractions and equivalent fractions through the use of color. They are able to manipulate fractions in order to gain a greater understanding of the meaning of whole number that is broken...
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Classifying Living Things
Learners identify how to classify living things. They classify various concepts including family members, kinds of clothing, numbers, shapes, and vocabulary words. They discuss how to classify various concepts and classify pictures of...
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