National Wildlife Federation
Branching Out – Exploring Dendrochronology
Tree rings from North America give a continuous history of El Nino intensity over the last 1,100 years. Scholars learn how scientists use tree rings to create timelines demonstrating variations in weather patterns. The cumulative...
Channel Islands Film
Eminent Domain
After viewing the documentary The Last Roundup, a documentary about the transitioning of Santa Rosa from a privately own island to a National Park, class members debate the takings clause of the Fifth Amendment that permits the...
CK-12 Foundation
Linear Equations: Deep Dish Pizza
Explore the volume of solids with a real-life connection. Learners calculate the volume of a deep-dish slice of pizza to determine its price. They model the slice as a part of a cylinder and create a formula for calculating the cost.
American Psychological Association
Facebook Activity
Imagine if Sigmund Freud or Charles Darwin had a Facebook page. As part of a study of major historical figures in the field of psychology, class members are assigned a psychologist and design a mock Facebook page that includes such items...
Curated OER
Light Beam
Students measure and convert between units. In this geometry lesson plan, students investigate through measurements of distances. They relate the properties of circle to solving problems with radius, diameter and area.
Curated OER
Related Rates Problems: An Application of Implicit Differentiation and the Chain Rule
In this related rates problem activity, students use the chain rule and implicit differentiation to solve related rate problems, such an writing an expression relating to the ripple of a circle. This three-page activity contains eleven...
Curated OER
Approximating Pi
Learners approximate Pi using the lower and upper bound for the constant. In this algebra lesson, students work in groups of two to graph a circle and approximate Pi using the circumference. They repeat their estimation until they come...
Curated OER
Accuracy of Measurements
In this accuracy of measurements instructional activity, students solve and complete 3 different types of word problems. First, they find the largest area of pitch in the problem described. Then, students write down an inequality to show...
Curated OER
Care Homework #1: Real Numbers
For this care homework worksheet, students add, subtract, multiply and divide numbers with decimals. They solve problems involving mixed numbers. Students find the area and perimeter of triangles and rectangles. This three-page...
Curated OER
Intersecting Lines and Segments of Measures
Mathematicians measure intersecting lines-and circles, and create chords. In this geometry lesson plan, learners explore interrior and exterior chords created by tangent and secant lines. These segments can be inside the circleor outside...
Curated OER
Math Practice Exam #2
In this math practice exam worksheet, students solve a total of 16 problems, adding, subtracting, multiplying and dividing fractions, simplifying expressions, finding values of expressions, calculating volume, finding circumference and...
Curated OER
Exploring the Circumcenter of a Triangle
Students construct the circumcenter of a triangle. In this constructing the circumcenter of a triangle lesson, students construct a triangle using Cabri Jr. Students draw perpendicular bisectors of the sides of the triangle. Students...
Curated OER
Circling the Square: Boxing Ring Match
Students analyze the specifications and construction of modern boxing rings. They calculate the area of circles and rectangles by different methods. They compare and contrast different areas in the ring used for attack and defense.
Curated OER
Batteries
For this recognizing knowledge of batteries and their uses worksheet, students write an informational summary about batteries, circle the objects that might use batteries, and identify the positive and negative areas on a battery....
Curated OER
SAT Problem Solving Practice Test 08
In this problem solving activity, students answer 10 multiple choice SAT practice problems. Students find the area of circles, slope of a line, solve absolute value inequalities, etc.
Washington Office of Superintendent of Public Instruction
Using Our Senses to Observe
Look around and explore. Little ones use their five senses with some day-to-day activities designed to guide observation and apply STEM strategies. Young scientists learn through comparing/contrasting and observing with magnifiers as...
Curated OER
Parachutes: Is it Surface Area or Shape?
Young scholars investigate how to make a good parachute. In this physics activity, students observe the motion of parachutes as it falls and measure the time. They collect data and calculate the average descent time for each canopy shape.
Curated OER
The Edge of Home
Students explain why some species of plants and animals occur in more than one area. They watch as the teacher puts an overlapping circles on the chalkboard, students are asked to predict what kinds of things they would expect to find in...
Curated OER
Group Initiatives
Students explore the names and qualities about members in the group. They each say their name and something about themselves. Students gather around in a circle. They listen to the teacher as he or she says the name of someone and throws...
Curated OER
Pi Day
Ninth graders explore the concept of pi in preparation for developing a project for pi day. They examine direct variation, the history of pi, circle circumference and arc length, area and sector area and then consider how these concepts...
Curated OER
Putting the 'pi' in Pumpkin Pie
Students use geometric formulas to divide a pumpkin pie. In this geometric formulas lesson plan, students review equations for area and circumference of a circle and divide a pumpkin pie to practice the formulas. Students use the...
Curated OER
Characteristics of Living Things
Students examine the characteristics of living things. They list the differences between living and non-living things, explore areas around the school, and create a Venn diagram for items found in the school areas.
Curated OER
Identifying Misspelled Ecology Words
In this ecology words instructional activity, students read 10 sentences pertaining to the environment. If one of the words is misspelled, students circle that word. If all the words are spelled correctly, students circle No Mistake.
Curated OER
Pi Day (March 14)
Fourth graders determine the value of ? by measuring the circumference and diameter of circular objects such as soup cans, Oreo cookies, etc..
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