Curated OER
Addition and Subtraction of Integers
Sixth graders complete a pre-test of addition and subtraction of integers, then watch a powerpoint presentation on the concept. In this mathematics lesson plan, 6th graders draw number lines and chip boards to show the process. Students...
Curated OER
Sandwiches
Students are introduced to the problem by thinking of all the ways 2 of their classmates could share a peanut butter sandwich. In pairs, students work describing their ideas. They then keep a record of all the different ways they find...
Curated OER
Distribution of children living at home
Young scholars examine census data to evaluate the number of students of certain ages living at home. This data is then used to determine the need for day care, or other social programs. They use this information to explore social policies.
Curated OER
Estimating Large Numbers
Students experience large numbers by estimating the number of grass blades in a field. They work in small groups to determine numbers of blades of grass in a small area of a field and apply that to determining the total number of blades...
Curated OER
How Many Bears in the Forest?
Third graders model the tag and recapture of bears and use proportions to estimate the population of the bears in their forest. This is a statistical sampling method used by scientists and naturalists to determine population numbers.
Curated OER
String of Fish
Fourth graders research a Florida fish to determine its length. They display this information on two index cards, which are cut to the shape of the head and the tail and attached to a string that they measure and cut to the correct...
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Design an Apartment
Learners are given the task of designing an apartment. In groups, they practice estimating the area and perimeter of different shapes. After designing their space, they apply the same formulas to solving real-world story problems.
Teach Engineering
Fairly Fundamental Facts About Forces and Structures
Don't twist and turn looking for a resource. The first installment of a six-part series teaches young engineers about the five fundamental forces of compression, tension, shear, bending, and torsion. These forces help explain different...
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Density
Students determine the density of different substances. For this physical science lesson, students rank them according to their density. They discover the relationship between volume and density.
Curated OER
Give a Cookie
Students discover the importance of sharing. In this philanthropy lesson, students read the book The Doorbell Rang and discuss how the character practiced sharing in the story. Students make cookies and practice the philanthropic concept...
Curated OER
PLANETS IN PROPORTION
Students discover scales for both the solar bodies' relative sizes and their distances from the sun. They find equatorial circumference and volumes of their solar bodies. Students apply estimation strategies and proportioanl reasoning to...
Curated OER
Zeros and Blackbirds
Fifth graders convert kilometers to miles and calculate the range that historical aircraft can travel. They choose destinations by distance that can be traveled without refueling.