California Academy of Science
How Big is Big?
In a math or life science class, "mini-me" models are created with cardstock to reflect a 1:10 scale of students' bodies. Learners measure each others' heights with meter sticks, and then reduce the size by 10. After this exercise, they...
Curated OER
How Much Does Soap Cost?
Explore multiplication and division using real life problems, including how to find the cost of soap per bar. Individuals or small groups work to find answers. They then share with the class how they found their answer.
Curated OER
An Easier Way to Count: Using Groups of 10
Students explore their counting skills. In this counting lesson, students group objects in sets of 10 to practice counting them. Students also practice graphing the sets of objects they count. This lesson incorporates the use a video...
Flipped Math
Unit 9 Review: Factoring
Make it complete. Pupils work through 16 problems to review factoring. The problems consist of straight factoring of polynomial expressions, solving equations by factoring, and applying factoring to real-world problems.
Flipped Math
Unit 10 Review: Graphing Sine and Cosine
Go up and down with a review. Learners review finding the amplitude, midline, period, and frequency of sinusoidal functions and use that information to draw graphs. Pupils arrive at equations for function from graphs. They finish up the...
BW Walch
Solving Systems of Linear Inequalities
One thing that puzzles a lot of young algebrists is the factors in a word problem that are taken as "understood". This presentation on solving systems of linear inequalities does a great job walking the learner through how to tease those...
Pacific Science Center
Worlds in Comparison
Young astronomers follow a step-by-step procedure for dividing a lump of dough into parts, resulting in a scaled volume set of puny planets. Along with the printable directions is a template chart of planet names on which learners can...
California Academy of Science
Greening Your Middle School
Middle schoolers redesign their school to make it more energy efficient, and create a model of their design. Learners get together in groups of 5, and they take on the task of making their school more energy efficient. To do this, they...
California Academy of Science
Kinesthetic Astronomy: Moon Phases
We are the world! Each of your class members models Earth and holds a styrofoam ball to see its phases. Thorough teacher background information and a detailed lesson plan will make this a cinch to teach. If you do not want to purchase...
Curated OER
Pollution and Lung Health
Young scholars investigate how pollution affects lung health. For this pollution and lung health lesson, students build lung models from a soda bottle and balloons, and then discuss how the emissions from fossil fuels can adversely...
101 Questions
Two Lane Road
Two vehicles move at a constant rate of speed toward each other, but when exactly will they pass? Pupils use still images from a video to determine the rate of speed and when the two cars meet. Then, they watch the complete video to...
Curated OER
More! A Lesson on Comparing
Students practice counting and comparing objects. In this math lesson, students view a Count on It! episode. Students examine the value of what they are counting. Students estimate number in groups of items. Students determine which...
Curated OER
Two-Dimensional and Three-Dimensional Shapes
First graders explore 2-dimensional and 3-dimensional shapes. In this geometry instructional activity, 1st graders examine the attributes of 2 -dimensional and 3-dimensional shapes. They also create the shapes as they build models. This...
Curated OER
Standard Units of Measure
Learners explore linear measurement. They choose appropriate measuring tools, measure three classroom items, and record their results. A class discussion ensues in which everyone decides the best way to present their data.
Curated OER
Fractions of a Band
Third graders investigate fractions. In this time lesson, 3rd graders determine the amount of time it takes to perform certain tasks.
Curated OER
Shelves and Drawers: A Fraction Lesson
Second graders explore fractions as something shared evenly. In this fractions lesson, 2nd graders watch a video and discuss how bookcases and drawers could be divided evenly.
Curated OER
More Monkeys, Fewer Monkeys, Equal Monkeys
Students compare sets of objects. In this identification lesson, students inspect sets of monkeys and identify them as more, less, or equal to the other sets. Students observe a video clip discussing comparisons.