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All About Ratios

For Teachers 5th - 8th
Students investigate the use of multiplication and division of whole numbers to solve problems including equivalent ratios and rates.
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Lesson Plan
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Adding and Subtracting Decimals

For Teachers 3rd - 5th
Students practice adding and subtracting numbers with decimals. In this decimals lesson plan, students use grid paper and money to learn how to add and subtract decimals.
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Spinner Experiment

For Teachers 4th - 6th
Students collect and analyze data, then draw conclusions from the data and apply basic concepts of probability.
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Conversions: Metrics Made Easy

For Teachers 7th - 8th
Students convert standard units of measurement to metric units using tape measures, meter sticks, rulers, and online conversion calculators.
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Lesson Plan
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The Ice Cream Shop

For Teachers 2nd
Second graders read books about ice cream and plan an ice cream sundae party for the class. They research ingredients and determine how much the party cost each student. They hold a mock opening for an ice cream store and have their party.
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Learning The Basic Shapes

For Teachers Pre-K
Students explore basic shapes concepts. For this math lesson, students examine circles, triangles, squares, and rectangles as they draw the figures they see on worksheets.
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Playing With Probability

For Teachers 3rd - 5th
Students rotate through work stations where they compute problems of theoretical and experimental probability. In this probability lesson plan, students use simulations of a lottery system.
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Divide with Mixed Numbers

For Students 4th - 7th
In this dividing with mixed numbers practice worksheet, students sharpen their problem solving skills as they solve 6 story problems.
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Finding the Area of Triangles

For Teachers 12th
Twelfth graders apply the formula for finding the area of a triangle to various problems. They work real life problems for finding the area of a bathroom and the cost of tiling it. They play a game, Triangle Bingo, where they match...
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Math Vocabulary Spiral Puzzle

For Students 3rd - 5th
In this math vocabulary worksheet, students solve the clues for math vocabulary words to fill in the blanks in a crossword. Students complete 8 problems.
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Far Out Fact Families

For Teachers 2nd
Second graders explore related multiplication and division facts. They study the inverse relationship of multiplication and division and engage in a group discussion about families. They complete a web-based lesson plan which is imbedded...
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Lesson Plan
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Negative Magic Squares

For Teachers 4th
Magic squares are interesting objects in both mathematics proper and in recreational mathematics. So they are objects that children should have heard about and experienced. The problems in this sequence give students the opportunity to...
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Lesson Plan
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Math: Am I Prime?

For Teachers 7th
Seventh graders determine the difference between prime and composite numbers. On a Website, they discover a method to identify all the prime numbers up to 100 and also complete several online activities. Once they have discussed the...
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The Language of Mathematics

For Teachers 4th - 6th
Students integrate the language, concepts and skills of math into the daily routine and classroom environment. They think mathematically by participating in short, daily, individual, small group, whole group and transitional activities...
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Math Vocabulary Review

For Students 5th - 6th
In this math vocabulary worksheet, students read a set of 15 math related definitions and write the words being defined. A reference web site is included for additional activities. 
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Let's Share Equal Parts

For Teachers K - 1st
Students practice creating parts of a whole by using educational software to illustrate their learning.
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Math Vocabulary Fill-In Puzzle

For Students 4th - 6th
In this math vocabulary puzzle, students use a set of definition clues given to solve a crossword puzzle. A reference web site is given for additional activities.
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Practicing Arithmetic

For Teachers 9th - 12th
Students practice single operation arithmetic ranging from single digit addition to long division of decimals or real numbers using Graphit. They use data sets and rules to graph ordered pairs.
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Properties of Fractals

For Teachers All
Students build a working definition of regular fractal, look carefully at the concepts of dimension and scale, and are introduced to logarithms. They solve simple exponential equations for the exponent both by trial and error and using...
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Properties of Fractals

For Teachers 6th - 8th
Students build a working definition of a regular fractal, they measure the concepts of dimensions and scale, they explore the concept of a logarithm and they attempt to solve simple exponential equations for the exponent both by trial...
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Chaos

For Teachers 6th - 12th
Students experiment with several chaotic simulation, they build a working definition of chaos. Students reinforce their knowledge of basic probability and percents. They are reminded of previous knowledge that is pertinent to this...
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Technology Lesson Plan

For Teachers 4th - 5th
Students measure various objects using non-standard units. The goal is for them to practice measuring in order to apply the physical act to various objects found in the classroom. The lesson is ideal for the kinesthetic learners and...

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