Curated OER
Initial Fraction Ideas Lesson 7: Overview
Third graders recognize that the larger the denominator of a fraction, the smaller the piece you have. In this fraction lesson, 3rd graders compare fractions and order them from largest to smallest. Students complete an exercise...
Curated OER
Deep Sea Drilling
Students explore ocean vessels that drill the ocean floor. In this ocean drilling lesson plan, students watch videos about drilling the ocean floor and discuss. Students get into groups, go outside and use string to mark off...
Curated OER
Percent and Percentage Problems
In this Algebra I/Algebra II worksheet, students solve application problems involving percents, percent error, and percent of increase or decrease. The two page worksheet contains a combination of fourteen multiple choice and free...
Curated OER
Fashion Sense and Dollar Wise
Middle schoolers find the cost of an outfit. In this percentages lesson, students look at ads, pick out an outfit, and find the sale price. They create a commercial and complete 4 included worksheets.
Curated OER
Exploring Geometric Mean
Students solve problems using geometric means. In this geometry instructional activity, students create altitudes in right triangles. They use Cabri software to move the triangle around and observe different sides and angles.
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Exploring Geometric Mean
Student identify the solution using geometric mean. In this geometry lesson, students create right triangles where the altitude of the triangle is the side containing the right angle. They modify shapes using Cabri software and observe...
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Venn Diagrams & Word Problems
Students explore the concept of Venn Diagrams through word problems. In this Venn Diagram lesson, students solve word problems about groups of people using Venn Diagrams. Students use survey results about MySpace and Facebook in a Venn...
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Salaries: How much do Professional Football players Make?
Seventh graders use the internet to investigate the salaries of professional football players. They calculate how much the top five paid athletes in football earn for one game and for one minute of playing time. Students determine the...
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Comparing M&M's
Students sort a bag of M&M's by colors and solve a variety of comparison problems. They determine which pile of M&M's has the most, the least, and answer questions comparing two piles. Students also order the piles of M&M's...
Curated OER
Basic Subtraction Facts
In this basic subtraction facts worksheet, learners problem solve and calculate the answers to twenty subtraction equations. Students double-check their answers with their classmates.
Curated OER
Whatcha Gunna Do When the Hulkster's Measuring Too??
Students measure using tools they have made. In this algebra lesson, students measure the height and distance using non-traditional measuring methods. They apply their findings to algebra and trigonometry properties of measurements.
Curated OER
Similarity of Length, Area, and Volume
In this similarity worksheet, students determine the length, area and volume of similar figures. This three-page worksheet contains explanations, examples, and 20 problems. Answers are provided on page three.
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Angles and Similarity
Students identify triangles as similar or congruent. For this geometry lesson, students drag triangles around on the navigator to see the effect of different angles on the shape of the triangle. They discuss angle similarity and angle...
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Scaling Down the Pyramids
Students construct three-dimensional models of the three pyramids at Giza. They research the building of the pyramids and record the height, base and angle measurements of each pyramid. They create a file of facts regarding the pyramids.
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Great Graphing
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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Geometry Exploration Basic Trig Functions
Tenth graders solve for missing sides on a triangle using the Pythagorean Theorem. In this geometry lesson, 10th graders are introduced to basic trigonometry functions as they solve problems of right triangles. They discuss the...
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Similarity and Congruence
Students determine that two figures are similar or congruent by
investigating figures that are similar and figures that are congruent. They prove that two figures are similar or congruent by using definitions,
postulates, and theorems.
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Whole Numbers
Student are assigned one of the sections on whole numbers. After reviewing the content, they teach their assigned sections to other class mates. They publish their findings on a PowerPoint slide show to use when they teach their section.
Curated OER
Can a Geometric Mean be Nice?
In this Geometry instructional (work)sheet, students are instructed on how to find the geometric mean. Students are then shown how the geometric mean is applied to proving similar triangles.
Curated OER
Radian Measure
In this Algebra II/Pre-calculus learning exercise, students explore radian measure of an angle and convert between degree and radian measure. The seven page learning exercise contains explanation, examples, and nineteen multi-part...
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From Trees to Paper
Sixth graders investigate logging and the process of paper making. In this forestry lesson, 6th graders analyze pictures of trees being processed into the paper they use everyday. Students solve and create math problems based...
Curated OER
Meet the Neighbors: Planets Around Nearby Stars
Students explain why a transiting planet causes a periodic dimming in the light from its parent star. They determine the radius of a planet, and its orbital distance, by analyzing data and manipulating equations. Students compare the...
Math Mammoth
Fractions, Percents, and Decimals
In this percents activity, students complete 3 charts in which percents, decimals and fractions are converted. Students also solve 20 problems with the changing of percents to decimals or fractions.