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Math | Grades 4-8 | Week of March 23

Programming Highlights

This week we learn about Decimals, Multiplication and Division by examining the “Breakthrough: The Ideas that Changed the World” episode “The Robot,” which covers the creation of one of the most common and helpful robots: the calculator.

Related Content

The idea of division
First, there was addition, then, to speed things up: multiplication. So what’s division? Sal from the Khan academy teaches us that the key to understanding division is its opposite: multiplication.

Introduction to multiplication
Watch as a fuzzy squirrel teaches the basics of multiplication using her favorite snack: acorns!

Western gray squirrel (Sciurus griseus) of Griffith Park| Courtesy of Gerry Hans

 

Lesson Plans

Division of Fractions: Connection Between Fractions and Division

Learning math is easier with a spoonful of sugar, or is it a cup of sugar? In any case, to learn about fractions and divisions, it’s helpful to have a real-life visual representation. Watch how.

How Henrietta Swan Leavitt Helped Build a Yardstick to Measure the Universe

Robots are cool and all, but did you know some of the first computers were real women? Meet Henrietta Swan Leavitt, who helped calculate the size of the universe.

Mount Wilson at sunset. | Still from Lost LA S4 E5: “Discovering the Universe – Exploring the Cosmos Atop Mount Wilson.”
Edward Pickering and Williamina Fleming supervising the ‘women computers’ c.1891. | Center for Astrophysics, Harvard & Smithsonian, Photographic Glass Plate Collection

An Origami Moment: Mathematics Meets Paper Folding in Los Angeles

What does math have to do with origami? A lot, it seems. Find out what aspect of the ancient art drives software engineers and physicists to turn into origami artists

Mosely Snowflake Fractal at the USC Libraries | Photo: Nathan Masters.

 

 

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