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...
Curated OER
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.
Curated OER
Percentages: Decimals To Percent
In this percentages worksheet, students write twelve decimals as percentages and twelve percentages as decimals. Students check their answers with the key when they are finished.
Curated OER
Percentages: Fractions To Percent
In this percentages worksheet, students write eighteen fractions as percentages. Students problem solve each fraction as a percentage.
Curated OER
Joining (Addition) Result Unknown
Pupils will put their addition skills to the test by solving these word problems. They are asked what the unknown solution is based on the given number "plus one more."
Curated OER
Brain Booster
In this combinations worksheet, students complete several activities that help them make combinations from number sets. Students may show their work using pictures, numbers, or words. Students may also use cubes, number lines, or hundred...
Fuel the Brain
Doubles with Money
Austin's mom has agreed to double the amount of money that he puts in his piggy bank and does not spend. Have your class figure out how much money Austin will have!
Curated OER
Moon Watch: Observing the Lunar Phases with a Model
How do you know the moon is going broke? It's down to its last quarter. The lesson provides a more accurate way to teach lunar phases, emphasizing not only naming or understanding them, but being able to explain why they occur....
Curated OER
Fraction Lessons That Motivate
Fraction lessons can provide both concrete and abstract ways to teach students about the concept of equal parts.
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...
Curated OER
Density
Young scholars determine the density of different substances. In this physical science lesson, students rank them according to their density. They discover the relationship between volume and density.
Curated OER
Tips to Help You Organize Your Classroom
Start the school year off right with great organizational ideas for the classroom
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.