Welcome back! Today I’m returning with a new post on calculus, this time concerning derivatives. If you’ve read my series on limits, I hope you realized that calculus isn’t that scary, after all; in fact, it’s fun and exciting! 488 mais palavras

## Tags » Parábolas

#### Number Portraits

I designed a set of *number portraits* for the integers from 1 to 36.

Each number is either a prime or a composite. If it is a prime number, then it has two divisors: 1 and itself. 164 mais palavras

#### The Product of Two Lines

I can’t remember when I realized that quadratics with real zeros were the product of two lines. It may have been

this introductory assessment that started me thinking hey, that’s cool, the line goes through the zero. 1.423 mais palavras

#### Parabolas all have the same basic "U" shape.

**Ronald Mapamula ™** @rmapamula 1 There are only three colors, ten digits, and seven notes, it’s what we do with them that’s #important. … 863 mais palavras

#### #mathsnaps

#booksnaps came from the incredible Tara Martin who decided to take Snapchat and have student annotate information from books. I loved it! Then I wanted to know how I could use this in math class. 176 mais palavras

#### Catapult Activity

While researching for our parabola unit I stumbled upon the project posted by Julie Reulbach on her blog I Speak Math. If you don’t follow her on Twitter, you should! 226 mais palavras

#### The Wonderful World of Conics

My Algebra Two students are in the thick of learning about conics – parabolas, ellipses, circles, and hyperbolas. I’ve just finished recording a series of screencasts about them, and I am posting them below for your enjoyment. 53 mais palavras