Curated OER
Is the Hudson River Too Salty to Drink?
Students explore reasons for varied salinity in bodies of water. In this geographical inquiry lesson, students use a variety of visual and written information including maps, data tables, and graphs, to form a hypothesis as to why the...
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I Can Do This! Systems of Equations
Students solve systems of 2-by-2 linear equations using tables,
graphs and substitution. In small groups, classmates work together to discover strategies for solving equations. They use a calculator to graphically represent their answers.
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Graphing Linear Inequalities
Eighth graders extend skills for representing and solving linear equations to linear inequalities. Lesson activities build understanding and skill by plotting ordered pairs of numbers that either satisfy or do not satisfy a given...
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From Probability to Combinatorics and Number Theory
Students see how division is used to help solve probability problems. They use tables as data structures where they are used to count outcomes and to compute probabilities. Students use games to help solve probability problems.
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Harriet The Spy
Fourth graders investigate the style of diary writing as its own genre of literature. They read Harriet The Spy in order to have a text for this literature study. Students use the skill of prediction to preview the story, and then...
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Math Jeopardy
Students play a game to practice concepts and principles that can be adapted to any subject.
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Get a Life Project
Eighth graders participate in interdisciplinary career unit in which they explore alternate lives. Students assume roles, manage budgets, make decisions, and solve problems, Students then research challenges, develop solutions, and...
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The Quadratic Formula
Students solve quadratic function by completing the square. For this algebra lesson, students use the quadratic formula to factor quadratics and find the roots. They graph the parabola and identify its properties.
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Marvelous Mathematics
Students make a table on the computer, but create fractions and equivalent fractions through the use of color. They are able to manipulate fractions in order to gain a greater understanding of the meaning of whole number that is broken...
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The Foot Book
Students use estimation and measurement skills to make predictions and solve problems about length. They also analyze data presented to calculate ratios and percents.
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Equations and Systems of Equations
Students practice using algebra to be applied to real world situational problems. The key concepts of translation of language to algebraic expressions is covered. They also look in depth at relationships between different quantities.
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Time Flyers
Fifth graders study an airline flight schedule to study elapsed time. They use schedules, calendars, and elapsed time to solve real-world problems.
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Finding the Story Setting
Second graders discuss important things to know when reading stories, identify setting in variety of stories, create story map to record information as they are reading, state setting in their own words, discuss whether they thought...
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Algebra/Geometry Institute: Area, Circumference, Perimeter
Pupils solve area problems. In this area, circumference, and perimeter lesson, students solve area and perimeter problems using standard and metric units of measure. They identify the best customary unit of measure for a given...
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The Mandelbrot Set
Students are introduced to the notion of a complex number and function iteration in order to motivate the discussion of Julia sets and the Mandelbrot set.
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Describing Patterns
Fourth graders investigate repeating and growing patterns. Models, graphs and words are used to describe, extend and represent patterns. Students use evidence from models and graphs to support the identification of patterns.
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Quadratic Formula
Students factor and solve quadratic equations.For this algebra lesson, students identify the roots of an equation using the quadratic formula. They graph and identify the properties of a parabola.
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The Ultimate Vacation
Students use research skills to solve a problem. They research information needed to plan a vacation. Students create a letter, a flyer, an itinerary, an activity list, cost spreadsheet, a reference page, table of contents and a title page.
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Practice Exit Exam - Mat 0024
In this practice exit exam, students complete a variety of basic algebra problems on an Algebra I skill level. They simplify expressions containing variables, factor quadratic equations, find the slope of a line, identify the...
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Tessellations: Geometry and Symmetry
Students examine tesselllations and their geometric properties. They have a better knowledge of polygons, can identify types of symmetry in tessellations. Also students use visulization, spatial reasoning, and geometric modeling to...
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Pascal's Triangle
Students study Pascal's triangle. They construct their own version of Pascal's triangle, and relate some of the uses for it. While working through this process, students practice their integer multiplication and division skills.
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Going Up Or Coming Down
Students find the percent of increase or percent of decrease. Through a teacher demonstration, they examine the methods of calculating percentages. Students solve real life problems.
Orange County Department of Education
Nights of the Pufflings
Third graders read the story to identify the problem and solution that occurs in Night of the Pufflings. They identify problems within the story that are solved through the characters' responsible actions. Students describe in their...
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Mobile vs. Money
Students research the internet and use the information they find to plot straight line graphs. They use graphs to make comparisons of the various packages offered. Students interpret graphs and solve problems based on varying parameters.