Curated OER
Similar Right Triangles-Introductions to Trigonometry
In this geometry worksheet, students examine similar right triangles as the basis for the foundation of trigonometry. Students define the basic trigonometric functions and use a calculator to find the trigonometric value of an angle. The...
Curated OER
CONCEPTS IN NUMBER THEORY.
Students study the Maya culture and their achievements in mathematics, how bacteria grow exponentially, use rational numbers to convert back and forth between Celsius and degrees Fahrenheit, how some architectural designs are examples of...
Curated OER
Time and Again
Students examine historical time and make time lines. They study the two main divisions of time; the time before and after the birth of Christ. They also note that time lines are a way of illustrating the length of historical time.
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Babylonian Square Roots
Learners are introduced to a method for finding square roots used by the Babylonian people of Mesopotamia. The method involves dividing and averaging, over and over, to find a more accurate solution with each repeat of the process.
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Designing a Quilt Pattern
Learners create and color a one-patch quilt design based upon a regular hexagon. They examine quilts and photos of quilt designs, read a handout, and complete their quilt design on a worksheet.
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Metric Rhyme
Students identify various units of measurement. In this measurement lesson, students learn several chants that combine metric vocabulary words and actions to reinforce the concepts learned.
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Cultural Calendar
Students design their own cultural calendar. In this calendar making instructional activity, students decide on a culture for a calendar theme and discuss how calendars differ from the US calendar. Students create their own calendar...
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Area of Combined Shapes - Turtle Combo
Students graph polygons using the name and number of sides. In this geometry lesson, students identify the formula to calculate the area and perimeter of polygons. They relate the formula to different polygons and shapes.
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PECKING OUT RATIOS
The student will practice writing ratios as fractions, using poultry-related illustrations as visual representations of the problems.1. Review the definition of a ratio and how to write ratios as fractions. If possible, use
groups of...
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Chocolate Chip Cookie Mining Worksheet
In this coal mining math worksheet, learners perform a set of operations to determine profit of mining a "chocolate chip cookie" and graph results.
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Setting the Standard
Fourth graders experience and practice measuring and weighing objects. They describe relationships among units of measure for length, capacity, and weight, and determine measurements of angles utilizing appropriate tools. Groups are...
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