Curated OER
Addition and Subtraction of Rational Expressions
In this rational expression learning exercise, students add and subtract fractional expressions. They completely factor the numerator and denominator. Explanations and examples are provided at the beginning of the document. This...
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Venn Diagrams & Word Problems
Students explore the concept of Venn Diagrams through word problems. In this Venn Diagram lesson, students solve word problems about groups of people using Venn Diagrams. Students use survey results about MySpace and Facebook in a Venn...
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Length Lotto-Teacher's Notes
Students convert metric units of length, specifically meters, centimeters, and millimeters. In this lesson of converting measurements, students participate in various games which require them to put the measurements in order or convert...
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Decimal Place Value Chart
In this decimal place value chart learning exercise, students work independently to fill in the blanks on the chart so that the numbers equal out correctly and the missing words are stated correctly.
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Inequalities and Absolute Value
In this inequalities worksheet, students solve multi-step inequalities with absolute values and test the boundaries in the provided work space. There are 16 questions.
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Making Change
Second graders explore how to incorporate a new type of technology, the cash register and/or a calculator, as a motivational tool for solving real life problems. They practice estimating money and counting back change from $20.00.
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Whole Numbers
Student are assigned one of the sections on whole numbers. After reviewing the content, they teach their assigned sections to other class mates. They publish their findings on a PowerPoint slide show to use when they teach their section.
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Equivalent Ratios
In this ratios worksheet, students complete a variety of online exercises involving writing twelve ratios in their simplest form, writing nine ratios in the form of 1:n, writing six ratios in the form n:1 and solving seven ratio word...
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Positive and Negative Activity
In this positive and negative activity, students use the positive and negative rules to rewrite and answer the 34 questions below, an example is provided for them.
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Recycling
Middle schoolers relate recycling to waste reduction. For this science lesson, students talk about the environment and how recycling certain natural resources actually saves on energy. They also discuss what type of recycling causes...
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Proportion
Students investigate proportion and ratio. In this geometry instructional activity, students set up the ratios of proportions correctly and solve for the unknown. They relate it to word problems.
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Hollywood's Top Ten
Students gather data on top 10 highest grossing movies, and make a bar graph and a pictogram.
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Who Wants to Carry a Million?
Students, in groups, determine the volume of a box large enough to hold a million dollars. They calculate the dimensions of a bill and the volume of the money.
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Translating Between Verbal and Algebraic Expressions
Students translate between verbal and algebraic expressions. After folding paper into four sections (multiplication, division, addition, and subtraction), students list code words under the appropriate section title. Next, they...
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Solving Equations Using Two Operations
Need more detail in showing your class how to solve two-step equations and proportions? This lesson plan outlines the steps young mathematicians need to solve simple equations and check their results.
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Area Model of Multiplication
Fifth graders build area models to represent multi-digit multiplication. This lesson is not complete, but having pupils learn first through hands-on experiences builds a solid mathematical foundation.
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Classify and Measure Angles #4
For this angles worksheet, students classify and measure 2 simple angles. Worksheet is part of a site with additional activities and links.
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Classify and Measure Angles #5
In this angles instructional activity, students classify and measure 2 simple angles. Worksheet is part of a site with additional activities and links.
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Finding the Area of a Triangle
Fifth graders investigate the area of a triangle. In this geometry lesson, 5th graders practice finding the area of a triangle using the correct formula: 1/2bh.
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Divide Decimals by Decimals 1
In this dividing decimals by decimals worksheet, learners discover principles and investigate examples in order to solve 5 multi-part problems that require them to divide decimals by decimals.
Pennsylvania Department of Education
Two Types of Division Problems
Students discover the two types of division problems. In this number division lesson, students identify repeated subtraction and sharing division problems. Students create word problems utilizing the two different types of division.
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Commutative, Associative, and Distributive Properties
Students explore the concept of the associative, commutative, and distributive properties. In the associative, commutative, and distributive properties lesson plan, students discuss real world examples of each property. Students...