mathheadinc

Teaching, tutoring math and calculus, with enthusiasm and an ever present sense of wonder, to students 6 & up since 1995. Anyone can learn anything!

[mathheadinc @mathheadinc]

TEACHING REQUIREMENTS: Fearlessness, grit, knowledge, skill, compassion, kindness, determination. #edchat #mathchat

[Dr Karen Mitchell PhD @karenmitchell__]

Feel like some psychopath/narcissist viewing this weekend.
Here are some of my top recommendations….
1. Wild Republic (German miniseries that demonstrates the difference between a sociopath and a psychopath)

2. Fifteen-Love (British miniseries that highlights the tactics used by a human predator in avoiding accountability)

3. Unknown Number: The High School Catfish (Extraordinary true story about a high school student who is relentlessly stalked. The identity of the predator stalker is hard to accept) 

4. Wild, Wild Country (About the Hare Krishna movement & demonstrates the willingness of human predators to intimidate, break laws, avoid accountability and use others for their own ends)

5. Escaping Utopia (About a cult in New Zealand and powerfully highlights tactics used by human predators to control)

6. Fake  (An Australian miniseries that demonstrates how human predators are able to hide their true identity and suck their victims back in when they start to become suspicious.)

7. The Tinder Swindler (About an online human predator and demonstrates how compelling human predators are)

8. Dr Death (About a human predator surgeon and showcases callousness, sadism & how difficult it is to hold them to account.)

9. The Family (A compelling Australian series about the cult run by Anne Hamilton-Byrne which showcases the puppet mastery of human predators and how they enjoy playing with the relationships, lives and perceptions of others).

10. The Vow (an American miniseries created by Mark Vicente which demonstrates the tactics human predators use to control, harm & compromise others while masquerading as good people)

[mathheadinc @mathheadinc]

@karenmitchell__ Whoah, I’ve already seen half of these! Will get to work on the rest. Thanks!!!!

[Abakcus @abakcus]

A curve that intersects its own asymptote infinitely many times.

[NASA @NASA]

What's up for June?

The solstice brings summer to the Northern Hemisphere. Jupiter and Venus will appear close together in the night sky, and Mercury will join them soon after. The Moon will also pass in front of Venus on June 17. Learn more: https://t.co/Ujal0GZVJU

[Star Walk @StarWalk]

✨ Planet visibility: June 1–15, 2026

Venus and Jupiter steal the show after sunset, shining close together in the evening sky. Around June 9, they appear especially close, and around June 12, Mercury joins them for a compact three-planet lineup.

Before sunrise, Saturn is the best planet to watch, with Mars and Neptune also in the morning sky — though they’re more challenging targets. Uranus remains too faint and low to see easily.

Look for clear horizons, and use binoculars only after the Sun has completely set. 🌌

Learn more: https://t.co/3WFZnBRIeQ

#planets #jupiter #venus #stargazing #starwalk

[mathheadinc @mathheadinc]

@USAisAok_ @TaraBull Local AND long distance numbers 🤣

[mathheadinc @mathheadinc]

@mathillustrated I tutor math. My elementary students do better when I make them learn cursive. WHO KNEW?!? Then their teachers say, “No one catches up THAT fast!” 🤪😝 Uh, my students do!

[mathheadinc @mathheadinc]

I know it’s asking for too much but I want to see this kiddo today!

[mathheadinc @mathheadinc]

@cbokhove @edudissenter @bledwine They understand math, not CHILDREN, and rarely have the patience to teach them hard things. Also not in their DNA: teaching ‘how easy the easy steps are’.

[mathheadinc @mathheadinc]

Never underestimate childrens’ ability to comprehend deep concepts.

[Abakcus @abakcus]

Paul Erdős and 10-year-old Terence Tao, 1985.
One of the greatest minds meeting one of the greatest minds-to-be.

[American Bird Conservancy @ABCbirds]

🌷 Ahhhh, finally. Spring has arrived in North America!

The skies are alive with birds on the move, guided by instinct as they make their journeys across continents.
Take a break, step outside, & look up!

Find out when Migratory Birds will arrive:
https://t.co/RYXvBdv8Mf

[Dr. Priyam Bordoloi @DocPriyamMD]

The "Headache" that kills in 24 hours.🧵

As a doctor, this is the one diagnosis that genuinely scares me. Bacterial Meningitis doesn't give you days to "wait and see." It gives you hours. By the time you realize it's not just a flu, it’s often too late.

👉Stop scrolling and memorize these 3 clinical red flags:

1. The Fused Neck: This isn't a "stiff muscle" from sleeping wrong. If you have a fever and literally cannot touch your chin to your chest - that is Nuchal Rigidity. It’s an emergency. Period.

2. The "Glass Test" Rash: If you see tiny purple pin-pricks on the skin, press a clear glass firmly against them. If the spots don't fade/disappear under the glass, your blood is leaking. That’s Septicemia. Run to the ER.

3. Agonizing Photophobia: It’s not just "bright lights are annoying." It’s a physical, painful wince at a smartphone screen or a bedside lamp.

👉How to actually stay safe?

1. Mask up in crowds: It’s a respiratory drop infection. If there’s an outbreak in your school/hostel, a mask is your best friend.

2. Stop sharing everything: Vapes, spoons, water bottles, cigarettes. If their saliva is on it, the bacteria is on it.

3. Hygiene: Wash your hands like your life depends on it.

4. Vaccines: Check your records for MenACWY/MenB when you have a minute. It’s the ultimate insurance policy.

[mathheadinc @mathheadinc]

@Pogue @aaalisson @Stammy Completely logical! (so says “If I Had A Nickel Girl” 🤣 IYKYK)

[Frank Nielsen @FrnkNlsn]

Highly recommended

🆓 PDF book: "Algorithms" by Jeff Erickson with many nice figures and exercises!

https://t.co/fVIdxoYSGZ

Nice cover page design too! can you spot it?

[Kirk Borne @KirkDBorne]

Download 698-page PDF eBook]

Everything You Always Wanted To Know About #Mathematics* (*But didn’t even know to ask)

A Guided Journey Into the World of Abstract Mathematics, Theorems, and the Writing of Proofs: https://t.co/JLsDOmpP1q

[mathheadinc @mathheadinc]

@KirkDBorne @danielscarvalho 😍”Bad Proofs”😍

Thank you!

[mathheadinc @mathheadinc]

Sirens end, yaaaaaaay! #kcwx #mowx #tornadowarning

[mathheadinc @mathheadinc]

Sirens, yay. #kcwx #mowx #tornadowarning

[mathheadinc @mathheadinc]

Sirens, yay. #kcwx #mowx #tornadowarning

[NWS Kansas City @NWSKansasCity]

Tornado Warning including Kansas City MO, Overland Park KS and Kansas City KS until 12:00 AM CST

[mathheadinc @mathheadinc]

@karenmitchell__ Thank you! I welcome parents to hang out anytime, too. I’m trying to teach the kids that may be embarrassed by their parent’s presence that it’s better to have them nearby than not! Kid protection is paramount.