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Slope, slope-Intercept Form and Standard Form

For Teachers 9th - 10th
Students investigate and solve linear equations using slopes. In this algebra activity, students graph lines using the slope and y intercept. They also find the slope by rewriting their equation in to slope-intercept form from standard...
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Cockroach Slope

For Teachers 10th - 11th
Students identify the slope of linear functions. In this slope lesson, students collect data and graph it. They write equations with no more than two variables and use technology to explain their data.
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Which Triangles are Right

For Teachers 9th - 10th
Students apply properties of right triangles to solve problems. In this geometry lesson plan, students identify axioms and theorems using examples.
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The 3 R's of Common Denominators (Language)

For Teachers 4th - 6th
Young scholars solve various word problems that deal with common denominators, and write the mathematical explanations they used to obtain the solutions.
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Find The Fib - Decimals

For Teachers 5th
Fifth graders count, order, compares, and organize objects and numbers. Each student will contribute in writing a specified number of sets of decimals in correct ascending or descending order.
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PASS-N-PRAISE

For Teachers 5th
Fifth graders take turns explaining, orally and in writing, how to solve multiplication problems that contain no more than three digit by two-digit numbers.
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Find Someone Who........

For Teachers 5th
Fifth graders identify, describe, and classify lines, line segments, rays, and angles. When given a diagram of a line, they classify the line as perpendicular, parallel, intersecting, vertical, horizontal, and/or diagonal.
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Pairs Check

For Teachers 5th
Fifth graders add, subtract, multiply and divide whole numbers. While receiving coaching and praise from his/her partner, each student will multiply whole numbers (three digits by two digits).
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Line Ups

For Teachers 5th
Fifth graders describe the lunar cycle. develop an understanding of the order and phases of the moon. Each student in a team contributes orally in order to make a line up of the moon phases in order.
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A Package of Pringle

For Teachers 6th - 10th
Here is a problem-solving lesson that has learners take the role of a packaging expert to design an inexpensive means of packaging a potato chip. It could benefit from having more specific detail about the lesson itself, but it does make...
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Conversions Using English Units

For Teachers 5th - 7th
Students explore the concept of English units. In this English units lesson, students convert from one English unit to another English unit. Students estimate the size and weight of objects using English units.
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Puzzles

For Teachers K - 2nd
Students match visual attributes by completing puzzles of known objects.
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Does the Area of the Quadrilateral Change?

For Teachers 5th - 6th
Students study area and quadrilaterals. In this multiplication and area lesson, students use Polystrip models to change rectangles to form different parallelograms. Students find the area of the models use a Geometer Sketchpad to find...
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Send a Gift Cryptarithm

For Students 9th - 11th
In this cryptarithm worksheet, students identify digits that stand for certain letters.  They solve the addition cryptarithm.  This one-page worksheet contains 1 problem.  The answer is provided.
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Understanding Fractions

For Teachers 4th
Fourth graders compare fractions by using skittles and m&ms. In this math lesson plan, 4th graders explore the size of different fractions by cutting pieces of their pie for visual representation. Additionally, students discuss ways...
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Go Ahead, Take a Guess! Estimating in the Real World

For Teachers 3rd - 6th
Learning how to use estimating to solve real life problems can be a great way for students to apply math skills.
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Mr. Robert's Robots

For Students 6th - 7th
In this problem solving worksheet, students solve 5 problems pertaining to the specific actions each of 3 robots are programmed to do. Students study the actions for each robot at the intervals specified and solve the problems.
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Innovations That Stand the Test of Time

For Teachers 9th - 12th
Students create a class presentation that explains the value of an innovation to society. In this design innovation lesson, students discuss relationships among math, science, technology, and engineering, read a story about design...
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Sets and the Venn Diagram

For Teachers 4th - 5th
Students review number sets and complete a Venn Diagram for number sets. In this number sets lesson, students review integers, whole numbers, and elements. Students use computers to create a Venn Diagram for number sets. Students...
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First and Then

For Students 2nd - 5th
In this Christmas problem solving learning exercise, students solve 7 mathematical problems by first doing the work in parentheses and then solving each problem.
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Inverse, Converse and Contrapositive

For Students 8th - 10th
In this geometry worksheet, students identify the inverse, converse and contrapositive of each sentence. They explore conditional statements and what makes them true. There are 13 questions with an answer key.
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Venn Diagram and Shape Sorting Lesson Plan

For Teachers 2nd - 4th
Students use Venn diagrams to represent classifications of shapes and to use counting arguments to find the number of objects in a given set.
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The Flat Earth

For Teachers 9th - 11th
Students differentiate between different planes. In this geometry lesson, students differentiate between a plane and a sphere. They discuss the Great Circle, Geodesic and Lune as it relates to the earth.
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Finding Mean, Mode and Median in the Computer Lab

For Teachers 5th - 12th
Students create spreadsheets which will display and figure mean, median, and mode of a set of numbers.

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