DAY 70 Covid-19 .. some CURIOUS Stats

Excellent Covid-19 stats update here.

If no preventative measures were taken by governments around the world then we could have been looking at a Plague Worse Case Scenario here.

Crazy Math: How to survive a Wagon Wheel Rolling over your head

There is some amazing Middle School Maths in The Cake Server on Joseph’s Machines. 

eg. Calculate the length of the arc of a circle to fit your HEAD! Watch for it.

Besides, this is so much FUN!

DAY 60 Covid-19 .. some CURIOUS Stats

Excellent Covid-19 stats update here.

Worse Case Scenario here.

DAY 50 Covid-19 …. some STATS

Covid-19 stats update here.

World deaths stats here

Even if the entire pop. of the world was infected the important statistic is the death rate. On 3 MAR WHO put the Covid-19 death rate at 3.4% of those infected by the virus.

Note: Covid-19 logo frm Pngtree

FRANTIC FRIDAY: Crazy Math Word Maze USA edition

PDF file: Crazy math maze work sheet 1 USA

PDF file: Crazy math maze work sheet 2 USA

CRAZY MATH MAZE WORKSHEET ANSWER

PDF File: Crazy math maze work sheet ANS USA

Happy Valentine’s Day Graph

The New York Times (The Perfect Valentine? A math formula 14 FEB 2019) has published an interactive widget from my favourite math website IMAGINARY for Valentine’s Day.

Here is the formula:

 

You’ll find IMAGINARY’S  interactive LOVE widget HERE.

Australian Open 2020: Could YOU ….. return Roger Federer’s serve?

The Australian Tennis Open is being played at the moment and Mathspig is always amazed at the serve speed of the top-seeded players.

Here are some of the serves speeds of players in this year’s Men’s Open. 

Keep in mind the fastest female tennis serve by Barbora Záhlavová-Strýcová is a very respectable 225 km/h (140 mph).

Can you return Roger Federer’s serve?

NOTE: Andy Murray had the same serve speed as Roger Federer.

Go here to see why this simplified calculation works! 

Mathspig tested her reaction time here. TRY IT!

Mathspig’s best, best, best reaction time = O.33 sec

Could Mathspig return Roger Federer’s serve?

Nooooo!…………………………………………………………………….

I’d be hit in the head by a speeding tennis ball

before I even moved.

But I’m a pig. I’ve got the best service GRUNT! Ha!