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A Special Relationship

For Teachers 6th - 8th
Students discover the relationships of the lengths of the sides of right triangles and right triangles using a series of drawings on dot paper. They investigate and solve problems of standard (customary and metric units) and non-standard...
Worksheet
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Countdown Challenge: Tangrams

For Students 7th - 8th
In this tangram worksheet, students find the area of each tangram shape. Afterwards, they name each piece and find the area of combined figures. This one-page worksheet contains approximately 25 problems.
Worksheet
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Linear Equations

For Students 8th - 9th Standards
Pre-algebra pupils examine the rate of change and how we can interpret it as a linear function. They are introduced to slope-intercept equations and graphs. Plenty of instruction is provided along with example problems. Note that even...
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Measure: Perimeter, Area and Volume

For Teachers 4th - 6th
Students practice measuring with formulas. In this measurement instructional activity, students complete an activity that requires them to calculate perimeter, area, and volume.
Lesson Plan
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Building Sets of 13 and 14

For Teachers Pre-K - 1st
Compose and decompose sets of 13 and 14 and compare sets of each with your little learners. They use objects to construct sets of 13 and 14, record their answers, and compare sets in several different ways.
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You Can't Go Wrong with a Right Triangle 2

For Teachers 3rd - 5th
Upper graders use the properties of right angle trignonmetry to measure objects such as the school flagpole. They solve real world problems using these properties.
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Learning Number Words

For Teachers K
Students practice saying their numbers and identifying the words. They use whole numbers and decimals to practice grouping numbers into different categories. They write the word of the number they are shown.
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Calculating Total From Percents

For Students 3rd - 4th Standards
Using this short review of finding a percentage of a number, learners can practice important skills. There are twelve questions on this worksheet.
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Ionic Chemical Formulas Days 1 & 2

For Teachers 10th - 12th
Learners study polyatomic ions and write binary and ternary ionic chemical formulas. They explore putting together different monatomic ions and coming up with as many chemical formulas as possible. They play a game similar to memory...
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Smaller Than One

For Teachers 6th
Sixth graders practice converting a fraction into a decimal and a percent. They explain relationships among rational numbers. They order and compare whole numbers, fractions (including mixed numbers), and decimals using a variety of...
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Pumped Up Gas Prices

For Teachers 3rd - 6th
Students calculate gas prices. In this transportation lesson, students tally the mileage and gas costs of their car for one months. They figure out how much was spent on gas and create a graph showing average gas prices over time. 
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The Shadow Knows: Student Worksheet

For Teachers 4th - 6th
In this math worksheet, young scholars will work in small groups to measure the height of objects, such as trees, using their shadows. Students will be able to determine heights of objects that cannot be directly measured.
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Math Journal: Functions and Coordinate Geometry

For Teachers 5th
Fifth graders examine the many uses of coordinate grids. In this graphing lesson, 5th graders write data driven equations, discuss the x and y-axis, and determine if using 2 or 3 ordered pairs is better.  Students complete several...
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Empirical Formulas

For Students 9th - 12th
In this empirical formulas worksheet, students read about determining empirical formulas from chemical formulas. They determine the empirical formula given ten molecular formulas. They also find the molecular formulas given the mass and...
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Great Graphing

For Teachers 7th - 8th
Students collect data, use a computer spreadsheet program to create various graphs, and compare the graphs. They state the findings of each graph in writing and decide which graph type best represents the data.
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One Size Fits All?

For Teachers 3rd - 5th
Students describe the differences between an estimate and a guess. They create reasonable estimates based on comparison and activities. Students explain how estimation is helpful in showing the relative size on a scale. They also...
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The Slope of a Line

For Teachers 9th - 12th
Learners define the slope of a line as rate of change. They investigate positive, negative, zero, or undefined slope using a graphing calculator. They determine the slope of a line when given the equation of the line.
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Leonardo of Pisa and the Golden Rectangle

For Teachers 10th - 11th
Students investigate geometry and algebra and the history behind these two interesting subjects. In this algebra lesson, students analyze the Fibonacci Sequence and relate it to solving exponential equations. There are alot of links and...
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Calculus Games

For Students 11th - 12th
For this calculus worksheet, students rewrite a word problem using algebraic symbols and calculate the derivative of a function to find the correct solution. There are 20 matching questions with an answer key.
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Direct Variation

For Students 9th - 11th
In this Algebra I/Algebra II worksheet, students solve problems involving direct variation.  The two page worksheet contains a combination of twelve multiple choice and free response questions.  Answers are included. 
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Discovering Pi

For Teachers 9th - 10th
Students relate Pi to a circle. In this circles instructional activity, students identify the different properties of two dimensional objects. They relate Pi to the circumference, diameter and area of a circle .
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The Fair Factor

For Teachers 5th - 6th
Students participate in playing many games to determine if they are fair or not. They create their own game that is fair to play with their classmates.
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Building Challenges

For Teachers 3rd - 5th
Students work together to complete different building challenges. They use prior knowledge to build tunnels and different types of bridges. They share their creations with the group.
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Introduction to Fractals: Geometric Fractals

For Teachers 6th - 8th
Middle schoolers study and observe the patterns made by the areas of the Sierpinski Triangle. Students use the computer to draw two or three iterations to discover the number patterns. Middle schoolers complete worksheets based on...

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