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Curated OER
Cuisenaire Mats
First graders use Cuisenaire rods to study the mathematical symbols =, <, > for the relationships is equal to, is less than, and is greater than. They use the rods to show visual explanations of common number combinations.
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Explore Surface Types on a Journey Around Earth
Learners explore satellite data. In this technology cross-curriculum math and world geography instructional activity, students locate specific map areas using a microset of satellite data. Learners use technology and math skills to...
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Algebra 1
Young scholars study the functional relationships of a variety of problems. In this functional relationship instructional activity, students determine the dependent and independent quantities of a given set of data. Young...
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Investigation - Looking For Triangles
Seventh graders investigate a series of triangles, looking for patterns and generalizing what they have found. They analyze the pattern data and organize it into a table and graph. Students identify the relationship and discover the rule...
Helping with Math
Identifying and Writing Decimals up to Hundredths
Five sets of blocks representing whole units, tenths, and hundredths are grouped so that learners can evaluate the total values. This provides practice with place value and the use of decimals. Answers are included. The brevity of this...
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Just the Facts! Exploring Order of Operations and Properties of Real Numbers
Sixth graders explore the concept of order of operations. In this order of operations lesson, 6th graders view a powerpoint about order of operations in society. Students post on a blog about order of operations.
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Number and Number Relations: Lesson 3
Eighth graders compare whole numbers and decimals. They use symbols for <, >, =, and order whole numbers and decimals. They practice the meaning of positive and nugative integers by using them to describe real-world situations.
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Weather Graphs
First graders use their knowledge of weather symbols to organize and construct a graph of the daily weather for one month. Each student have a chance to give the daily weather report using Sammy's Science House Computer Software.
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The Statue of Liberty -- A Symbol of Freedom
Second graders explore the Statue of Liberty by reading books and internet cites. They must complete a story web
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Decimals, Percents and Fractions
Sixth graders convert decimals and percents. They observe a teacher lead demonstration of converting decimals to percents and percents to decimals. Students practice what they have seen.
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Mental Division of Whole Numbers
In this mental division worksheet, students utilize mental arithmetic to answer forty division math problems dealing with whole numbers. Students check their answers online as they go.
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Subtraction and Unknown Addends (to 20)
How many more gallons of fuel does Mr. George need to fill his car to capacity? This word problem uses the unknown addend strategy to get scholars subtracting and thinking about the relationship between mathematical...
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Comparing 3 Digit Numbers
Warm up your mathematicians with this comparing numbers activity. Because it includes an explanation, consider projecting this as an all-class activity, covering up the answers until after learner responses have been shared. There are...
Illustrative Mathematics
Words to Expressions 1
Designed as a follow-up to the lesson plan titled Watch Out for Parenthesis 1, this activity asks young learners to write an equation for the calculation described with words rather than numbers and symbols. The treasure that 5th...
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Solving Linear Equations
Math whizzes read a series of slides describing steps to solving linear equations. They view a slide-show presentation. Each page, or slide, presents a different topic. Topics include: defining a linear equations, inverse operations,...
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Measurements: Inches
Children solve problems involving measurement using information taken from various items measured (wooden blocks and boxes). This is a particularly good lesson to use when introducing how to use a ruler and how to add inches together in...
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Some Facts about Pi
In this Pi handout, 10th graders are provided with a brief history of Pi as well as mnemonics they can use to remember the digits of Pi. There are additional links on this page that provide access to more interesting facts about Pi
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Graphing Quadratic Equations
Review the form of a quadratic function, and the parabola it creates. Continue on with the whole group to work through a mini-lab, practicing how to graph quadratic equations with one variable. The goal of this lesson is for the group...
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What's in a Shape?
Learners explore characteristics of shapes by making and using tangram sets. They discover how the tangram pieces are related to one another, and determine how many different combinations of the triangles, squares, and parallelograms in...
Illustrative Mathematics
Pizza Place Promotion
The longer you wait to try the new pizza place, the more it's going to cost you! This real-world problem about how the cost of pizza varies with respect to time is a good example of how piecewise functions are used to describe...
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Introducing More or Less Than
In this more or less than worksheet, learners read about the symbols and their meaning, then insert symbols appropriately in a set of 12 problems.
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The Lawnmower Problem
In this algebra worksheet, students solve a word problem by rewriting it using math symbols. They calculate how fast the woman can mow the lawn given different scenarios. There is an answer key.
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Walking on Air
Students collect and analyze data with a graph. In this statistics lesson, students use central tendencies to find the meaning of their data. They display the data on a Ti calculator.
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Division
In this division worksheet, students use all three symbols to divide. In this fill in the blank worksheet, students find twenty-eight quotients.