Curated OER
Working with Percentages and Proportions
In this percentages and proportions worksheet, students are given percentages, they express them as a proportions, they create an equivalent ratio using "x" for the unknown portion and they cross multiply and divide to find their answer.
Curated OER
The Clumsy Tiler N (Metric)
Students explore patterns and geometric sequencing. Students devise and use problem solving strategies to explore situations mathematically. Students solve real life problems. They demonstrate, with cardboard pieces, fraction and...
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Percent Worksheet #2
For this percentages worksheet, students calculate the best strategy for finding a certain percentage of ten different numbers. Students show each step of their work.
Curated OER
Paper Toss Shootout
Students explore the concept of percentages. In this math instructional activity, students throw paper at wastebaskets as if shooting a basketball in a hoop. Students shoot the paper a given amount of times and then calculate their...
Curated OER
Historical Mathematicians Project
Students, in small groups, use the Internet and other traditional sources to research historically significant mathematicians, write a paper, and creatively present research in class.
Curated OER
How Much Ocean?
In this ocean worksheet, students are given a map of the world and they predict the amount of water that covers the Earth's surface. They count the total number of squares on the given map that represent the water and they land and they...
Curated OER
Aruba Cloud Cover Measured by Satellite
Students analyze cloud cover and compose written conclusions to a given related scenario. Students submit a letter of response and a report detailing their calculations and conclusions.
Curated OER
Smoking: The Real Cost
Third graders discuss the adverse effects of smoking and predict the financial cost of a smoking habit. They collect data regarding the cost of a pack of cigarettes and average packs smoked a day. They create bar graphs displaying the...
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Z-Scores
Students solve problems by identifying the percent of area under the curve. In this statistics lesson, students discuss z-scores as they calculate the different percentages under the bell curve. They calculate the standard deviation.
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Ratio Relationships
Students solve for the different ratio and proportion of a problem. In this geometry lesson, students show their knowledge of how to solve proportional relationships. They convert between percent, decimals and fractions.
Curated OER
Playing With Probability
Students rotate through work stations where they compute problems of theoretical and experimental probability. In this probability lesson plan, students use simulations of a lottery system.
Curated OER
How Tall Is That Flag Pole?
Students examine various triangles and discuss how similar triangles have sides that are proportional. They utilize an ancient Egyptian method to determine the height of a flagpole.
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Expected Value
Students discuss what expected value is, they are introduced to the concept of varyting payoffs. Students use a computer simulation of a "real world" example where expected value is used.
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Velocity
Students explore the concepts of velocity, acceleration, distance and football. They collect data on the velocity of a football and they determine the distance and height of a football when it is thrown. Students compare their findings...
Yummy Math
Steep Hikes
Grab your hiking gear and get ready for a math adventure! Learners explore the meaning of percent grade change, as compared to the slope in an excellent worksheet activity about hiking trails in the mountains of New Hampshire. They...
Curated OER
Math, Calories and You
Discover the connection between calories and weight. Pupils multiply their body weight times calorie estimates for various physical activities to calculate calories burned per minute and per hour. Worksheets a well as website links are...
Curated OER
Pike Problems in Lake Davis
Pike fish pose a threat to native trout and catfish in lakes. Would you drain and poison a lake to get rid of the Pike fish? If the lake was drained and poisoned, then refilled and repopulated with trout and catfish, how would you...
Physics Classroom
Action-Reaction Lab
Computer-interfaced motion detectors are required to carry out this inquiry. It is a new twist on exploring motion with plunger carts: they are set back-to-back and then propelled away from each other. Their velocities are measured, and...
Physics Classroom
All Work and No Play Lab
Don't let the term, "slotted wood board" detract you from the value of this experiment. Class members tie a string to a cart and, with even horizontal force, drag it up an inclined plane. The objective is to compare the work done with...
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Acceleration Lab
Young Einsteins experiment with the acceleration of Hot Wheels™ toy cars down inclined planes at various angles. This classic physics lab activity is thoroughly explained in both a teacher’s guide and a student lab sheet. Science...
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Weighted Averages
Weighted averages can be tricky to explain! However, this study guide makes it easy for teachers by including definitions, explanations, and breaking down problems into three steps. Includes mixture problems and uniform motion problems.
Inside Mathematics
Quadratic (2009)
Functions require an input in order to get an output, which explains why the answer always has at least two parts. After only three multi-part questions, the teacher can analyze pupils' strengths and weaknesses when it comes to...
Curated OER
Measure Mania
Groups of students rotate through five classroom stations to estimate, measure, and record volume, length, weight, mass, and area using both customary and metric measure. They evaluate their data to determine how close their estimates...