Curated OER
Connecting Formulas Related to Geometric Figures
Students identify diagrams of quadrilaterals and circles by different names and classify the figures. They name the areas for each diagram and practice solving the formulas for each.
Curated OER
Word Problem Exchange
Learners discuss elements of word problems: key words, data, computation clues, and unnecessary information and use the four steps of problem solving to find a solution and check for reasonableness.
Curated OER
Graphs of the OTHER Trig Functions
Students graph trigonometric functions. In this precalculus lesson, students identify the properties of secant ,cosecant and cotangent. They use the unit circle as their formula to graph and analyze these functions.
Curated OER
Fraction City
Learners calculate equivalent fractions, solve the addition of fractions of like and unlike denominators, and compare fractions using fraction strips. They fold paper strips into equal parts, thirds, sixths, ninths, and twelfths, and...
Curated OER
Measurement (Grades 3-5)
Third, fourth, and fifth graders participate in measurement centers. They visit six different centers: standard and linear measurement, clocks, weight, volume, temperature, and converting measurements. They complete a data collection...
Illustrative Mathematics
Downhill
A car traveling down a steep hill is the model for this resource. The confusion comes when the elevation, E, is given in terms of distance, d. The distance, d, is the horizontal distance from E. Therefore, the equation, E = 7500 – 250d,...
Curated OER
Death by Particles
Emerging epidemiologists define relative risk and read an article about the effect of particulate pollution on the cardiovascular health of women. They record the relative risk values, graph them, and answer analysis questions. This is a...
Curated OER
Savings Account Introduction Lesson
This teaching tool promotes a practical understanding of basic mathematical skills by having learners determine percents on interest. There are several worksheet options available as well as a guid on how best to use them.
Curated OER
Finding the Area and Perimeter of Polygons
Seventh graders practice finding the area and perimeter of polygons. In this polygon area lesson, 7th graders brainstorm shapes and take a walk to locate shapes. Students record properties of shapes and use various shapes to make a...
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How High?
Fourth graders play an estimation game to guess how sheets of paper are in a pile and then guess who high a stack of one million would be. They work in small groups to explore ideas for working out how high the stack would be.
Curated OER
The Measurement of All Things: Atmospheric Detectives
Students identify the characteristics of aerosols. Using remote sensing, they participate in an experiment in which they determine how the sun's radiation and elements in the atmosphere interact with one another. They also research the...
Curated OER
What's Your Function?
Second graders read the rules of how they can balance the scale by placing beans in the square, circle, and the triangle. Next, they balance 12 beans using the scale and then try to balance it with 15 beans, and then 18 beans. They then...
Curated OER
Folding Paper
Young scholars use the scientific process and their knowledge to obeserve, predict, and test their predictions under controlled conditions to verify their predictions and then make sense of these predictions. They also graph, write...
Curated OER
Research Cruise Word Problems
Learners examine life aboard the NOAA research vessel, Ronald H. Brown. They complete word problems related to the vessel, and then create three problems of their own.
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Transformations
Tenth graders recognize, perform and derive rules for basic transformations including translation, reflection and rotation. They also consider compositions, a combination of two or more basic transformations. Students explore both...
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What Makes a Dog a Dog
First graders recall and verbally list the parts of a dog, or a chosen subject, based on observations using the senses. They discriminate between living and non-living subjects, and create artistic representations of the parts of a dog.
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How Does Temperature Change With Respect To Latitude and Longitude?
High schoolers research the concept of predicting the weather. The research focuses on how some weather facts intuitively make sense. Students answer key questions based upon the mathematical concept of covariance.
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Data Analysis, Probability, and Statistics: Exploring Websites
Students measure their pulse rates and place the number on the board. They arrange the numbers in order and discuss the differences between isolated facts and data. Students explore websites that relate to data analysis and report their...
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Raising an Animal
Young scholars observe reproduction and behavior in several types of animals and nurture a sense of responsibility and cooperation. They then examine external features of several different types of animal groups.
Curated OER
Concept: Percent ... A Special Fraction
In this percent worksheet, students review and study what percent means, what percent strips are, making sense of percents and estimating percents. Students complete ten word problems.
Curated OER
Where Should You Turn?
Fourth graders complete activities to study decimal numbers. For this decimal numbers lesson, 4th graders study decimal numbers to express numbers less than one and intervals. Students complete map and location activities to study the...
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Making Rectangles
Students study rectangles. In this math lesson, students use numbers, measurements and geometry to draw rectangles of varying sizes.
Curated OER
"How Big is a Foot?" by Rolf Myller
Young scholars use estimation and fractions and standard units of measure to measure foot strips.
Curated OER
Paint Plus
Using the computer and the Paint program, Students explore the different tools available in the paint program, and then create a picture showing two sets of pictures and an equation.
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