# Commute? Or not Commute?

5+3 = 3+5, but 5-3 =/= 3-5. They just don’t commute, that’s all. Oy. (for more info, click here: Associative, Commutative, and Distributive Properties

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# Tzivia Adler

## Writing, Videos, Puns, and Cruelty to the Common Comma

# Tag: math

# Commute? Or not Commute?

# Number Sequences

# My Math Vid :)

# Tutor vs the Terror which is Math

# Happy Pi Day

# Tutoring Colleagues

# Math Puns

# Prime News! Eleventy!!!

# Fractional Joke

# Only a Fraction of Interest

5+3 = 3+5, but 5-3 =/= 3-5. They just don’t commute, that’s all. Oy. (for more info, click here: Associative, Commutative, and Distributive Properties

Square: 3*3 = 9 Cube: 3*3*3 = 27 Fibonacci Sequence: a number sequence where you add the two previous numbers. 0. 1. 0+1=1. 1+1=2. 1+2=3. 2+3=5. 5+3=8. … 21+34=55 Video! (here: https://scratch.mit.edu/projects/168135881/) Look how fast it grows. 20th Fibonacci: 10,946 20th square (20*20): 400 20th cube (20*20*20): 8,000 Fibonacci in Nature Did you know… Read More Number Sequences

I was asked to make a short video of fractions for a middle grade class. Fun! I used plotagoneducation for characters and scenery.

Many people find math difficult … but painful? Surprisingly, yes. (Img src: Shutterstock) The Public Library of Science journal PLOS One article title said it all. Read the article if you’re up for the ouchies. Surprisingly, brain scans show that ANTICIPATION hurts worse than doing the actual math. Math Anxiety Predicts Pain Network Activation in… Read More Tutor vs the Terror which is Math

What is pi? By definition, pi is the ratio of the circumference of a circle to its diameter. In other words, pi equals the circumference divided by the diameter (π = c/d). (https://www.livescience.com/29197-what-is-pi.html) What is pie? Delicious.

I am always surprised when no one shows up on Xmas Day, since School has such a multicultural student body – Muslims and Buddhists and atheists and whatnot. Today I tutored my colleague! What fun. Working on monthly time sheets – Dec 25 usually happens very close to the end of the month – and… Read More Tutoring Colleagues

Today is Sunday, November 12, 2017, AKA 11-12-17. Tomorrow is…. wait for it… 11-13-17 A beautiful series of sequential prime numbers! Toot the horns, throw the confetti, set off the fireworks!

Numerator: top number in a fraction Denominator: bottom number in a fraction Complementary Angle: 2 angles add up to make 90 degrees, or a squared corner. Acute angle: any angle less than 90 degrees.

I was asked to make a short video of fractions for a middle grade class. Fun! I used plotagon.education for characters and scenery.