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Study Guide
Curated OER

Understanding Variables

For Teachers 9th - 10th
Students solve linear equations and identify the unknown. In this algebra lesson, students define a variable and use addition, subtraction, multiplication and division to solve. They change the equation depending on the value of the...
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PPT
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What Wavelength Was That?

For Teachers 7th - 12th
A combination of informative text, photos, and graphics comprise this sharp show on electromagnetic radiation. Some slides mention hands-on activities for demonstrating concepts, so if you want to include them you will need to figure out...
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Lesson Plan
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In Your Prime

For Teachers 3rd - 4th
Students study how to find prime numbers. They investigate the teachings of the mathematician Eratosthenes and apply his theory of prime numbers less than 100.
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Worksheet
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Patterns Based On Addition

For Students 3rd
In this on-line math worksheet, 3rd graders complete 10 multiple choice questions where they find the missing number to a pattern by using addition. Students can check their answers at the end of the worksheet.
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Interactive
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Subtraction Word Problems

For Students 3rd - 5th
In this on-line math worksheet, students complete 2 multiple choice word problems containing 2 digit numbers. Students can check their answers at the end of the worksheet.
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Lesson Plan
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Calendar Art

For Teachers All
This is an integrated visual arts lesson in which the pupils will assemble and decorate a calendar. This is a lesson to be used at the beginning of each month to make a calendar for the month. Math concepts for this lesson will consist...
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Worksheet
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Using Patterns

For Teachers 6th
In this math worksheet, 6th graders use the time at home in order to work on the skill of recording data in the form of daily activities and statistics.
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Worksheet
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Chapter 11 What's Your Preference

For Teachers 4th - 5th
In this math worksheet, students record the results of a survey taken from family members about relationships and activities.
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Lesson Plan
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Navigating by the Numbers

For Teachers 6th - 8th
Students observe how math is important in navigation and engineering. They study how surveyors use math and science to calcute, count, measure, label, and indicate distances on a map. They estimate specific distances.
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Lesson Plan
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Fractions and Panes

For Teachers 5th - 6th
Students recognize the fractional values of window panes as part of the whole window. In this window panes lesson, students listen to a story about window panes and sing a song. Students look at pictures of windows and write fractions...
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Lesson Plan
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Quadratic Equation with Trinomials

For Teachers 9th - 11th
Students create quadratic equations and factor out to find the roots. For this algebra lesson, students watch a short video on how to factor trinomials. They are taught two methods and given the option to use either method.
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Interactive
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Prime Factorization

For Students 6th - 8th
In this prime factorization instructional activity, students solve 7 multiple choice problems. Students find the prime factorization of 91, 84, 78, 70, 67,63, and 36.
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Lesson Plan
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The Golden Ratio

For Teachers 7th
Seventh graders investigate a ratio found in nature and in numerous pieces of artwork throughout history. The lesson is cross-curricular and builds a sense of appreciation of design for students.
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Lesson Plan
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Acting Like a Hog

For Teachers 9th - 12th
High schoolers explore game theory.  In this secondary mathematics lesson, students plat the game of HOG using dice and explore the optimal strategies.  High schoolers play the game three ways:  any number of dice, a fixed...
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Lesson Plan
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Excel Lesson

For Teachers 9th - 10th
Students investigate Microsoft excel. In this technology lesson, students create formulas using excel and apply these formulas to solve relative, absolute and mixed reference cells. They perform immediate and delayed calculations.
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Lesson Plan
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A Human Number Line

For Teachers 6th
Sixth graders create a human number line through use of symbols, equality, inequality, addition, subtraction, solving equations and inequalities
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Lesson Plan
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the Squares of Numbers in Multiplication

For Teachers 2nd - 3rd
Students memorize the multiplication math facts and learn many different ways of visualizing and practicing the multiplication concepts. They begin practicing with arrays, skip counting, and moving manipulatives for the 0, 1, 2, 3, and 4.
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Lesson Plan
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Brainiac Tag

For Teachers K - 2nd
Students participate in a special game of tag while reinforcing the math skills they have learned.
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Worksheet
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Combinations

For Students 9th - 12th
In this math worksheet, students investigate the concept of using combinations. They compare this with permutations where a different order of the same set of objects is counted separately for the outcome.
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Lesson Plan
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What percent of ratio is proportion?

For Teachers 9th
Ninth graders investigate the concepts of ratio and proportion.They solve examples with the teacher for ratios and proportions. A basic fraction review is used for a warm up in this lesson. The primary focus of the lesson appears to be...
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Lesson Plan
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equivalent Fractions

For Teachers 5th
Fifth graders participate in a lesson concerned with the concept of equivalent fractions. The lesson use a cross-curricular approach using words with the same meaning to make connections to how equal fractions have the same numerical value.
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Lesson Plan
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Addition Review

For Teachers 8th - 12th
Students explore the concept of addition as used in the subject of Algebra while reviewing the different methods using a number line. The lesson includes examples for students to use for scaffolding for group work or whole class...
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Lesson Plan
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Gradient Search

For Teachers 11th - Higher Ed
Students explore the concept of a gradient search. In this gradient search lesson, students use the Gradient Search Algorithm to locate critical points, maximums, minimums, and answer questions in this problem solving lesson.
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Interactive
Curated OER

Pre-Algebra Vocabulary Crossword

For Students 8th - 9th
In this pre-algebra worksheet, students answer questions on basic algebra vocabulary to complete a crossword puzzle.  The one page interactive worksheet contains eight clues and is self checking.