Curated OER
It's About Time!
Students examine the potentials, both positive and negative, of adapting an international 'Internet time' system. They create and solve word problems that require them to translate between the current time system and Internet time.
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Adding Tenths
Third graders pictorially represent tenths place with decimal bars and add decimals in the tenths place; students use decimal bars to represent tenths and solve simple addition problems with the tenths place.
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Hopping For Candy
Learners explore recipes online for different types of candy, and simulate process of making candy to explain how candy makers rely on varied temperatures and basic chemistry to produce perfect sweets.
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Prize Numbers
Young scholars explore what a proof is, how and why mathematicians create them and compose essays on how reason and logic are employed in the workplace. They explore whether any three lines can make a triangle and attempt to verify...
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A Distant View
Students investigate the essential concepts of how lenses work to magnify vision, and then build simple telescopes to demonstrate their understanding. They write a description of how their telescope could be improved and how it works.
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Jet Who?
Students explore the emerging budget flight industry and the resulting increased competition among airlines. They compare a budget airline with a legacy carrier in terms of cost, corporate profile, flight statistics, amenities, and...
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The Games Robots Play
Students learn about how robots are programmed to play games. They then construct robot applications (basic computer codes) for playing tic-tac-toe comprised of if-then logic sequences. Students then compete in teams using their...
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Triangle Problems-Base, Height, and Area
In this geometry worksheet, 10th graders find the base, height, or area of a triangle. The one page interactive worksheet contains ten questions. Answers and hints are included.
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Geometry Word Problems-Perimeter of Rectangles
In this geometry worksheet, 10th graders use algebra to solve geometry word problems involving the perimeter of a rectangle. The one page interactive worksheet contains eight questions. Answers and hints are included.
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The Stock Market: High School Economics
High school economists learn about the stock market in a project where they "buy" and track stocks. The author of this resource reports it is the high point of her 12th grade economics course, but no resources are attached. After viewing...
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"Math Curse" by Jon Scieszka
Learners explain everyday uses of numbers and relationships of numbers.
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Exploring Literature and Weather through Chirps
Students explore and experience information about temperature changes by using crickets' chirps to calculate the temperature. The data is applied to formula and the temperatures are calculated.
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"Bats on Parade" by Kathy Appelt
Middle schoolers examine numbers and try to find a pattern in their relationship. They write an algebraic expression for the nth term.
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"The Grapes of Math" by Gregg Tang
Students practice mental addition and use the associative and commutative properties of addition to solve problems.
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"Math Curse" by Jon Scieszka
Young scholars practice estimation skills for measurement, and work with metric units of measurement.
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poem "One Inch Tall" from the book "Where the Sidewalk Ends" by Shel Silverstein
Students use the terms: ratio, proportion, and measurement in their description of the life of a person one inch tall.
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Order of Operations
Sixth graders perform the Order of Operations. Given various story problems, groups of students solve equations requiring division, multiplication, parenthesis, exponents and other mathematical processes. They discuss the order of...
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"My Little Sister Ate One Hare" by Bill Grossman
Students understand, use, and compute basic probability.
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poem "Smart" by Shel Silverstein from "Where the Sidewalk Ends"
Students explore unit rate and ratio and discuss the relationship.
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2-D Polygons
Students investigate the concept of two dimensional polygons. They complete a vocabulary chart with the teacher or in independently. Students are shown various polygons in order to classify them and then asked to draw one of them from...
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Double-Digit Addition with Regrouping
First graders recall place value system and double-digit addition, create and manipulate double-digit regrouping, and devise and identify ways to use regrouping.
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"One Day in the Prairie" by Jean Craighead George
Students collect "prairie insects" for data collection and analysis.
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"Socrates and the Three Little Pigs" by Mitsumasa Anno
Young scholars gain an understanding of probability and make reasonable estimations.
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Do You Feel Lucky?
Students calculate simple probabilities using mathematics then roll dice to test their predictions.