Archive for the ‘Arithmetic’ Category

No Frills MATHs SKILLS for Parents 3: Pre-Algebra
May 23, 2022
DAY 500 COVID-19 … some curious stats
June 7, 2021Mathspig has tracked the Covid 19 Stats through the Worldometer tracker and calculated the AVERAGE NO. DEATHS per day at the 50, 60, 70, 80, 100 , 200 DAY and the 1 YEAR mark ..
and now at the 500 DAY mark.
Note: Approx 1/3 of deaths around the world are due to accidents, diseases other than Covid, or suicide.

20 Gobsmacklingly AMAZING numbers … Revisited
May 25, 2021… these nos. are amaaaazing but no one could find the answers in the earlier post.
………………………………………………………..
Click on the POP-UP answers under each question.
1. How many bristles in a toothbrush?
2. What % of Oxygen in the atmosphere comes from forests?
3. How loud was the loudest recorded human scream?
4. How many apples could kill an average-sized adult?
5. How many countries in Africa?
6. What happens when you Google this number, 241543903?
7. How many vertebrae in a giraffe’s neck?
8. What is the highest recorded wind speed?
9. What is the world record high-jump height for a guinea pig?
10. How many times does England fit into Australia?
11. How much did the most expensive dessert ever cost?
14. How many burgers does McDonalds sell a second worldwide?
16. How many times was the most frequently married person in the world, married?
17. Why is Zero Zero Zero like 123?
18. What is the world record for the greatest number of snorts in 10 seconds?
19. How long would it take to grow your hair to your feet?
20. What number causes the greatest loss of money in the world?
LINKS:
1. How many bristles in a toothbrush? HERE
2. What % of Oxygen in the atmosphere comes from forests? HERE
3. 3. How loud was the loudest recorded human scream? GOOGLE IT!
4. How many apples could kill an average-sized adult? HERE
5. 5. How many countries in Africa? GOOGLE IT!
6. What happens when you Google this number: 241543903? HERE
7. How many vertebrae in a giraffe’s neck? HERE
8. What is the highest recorded wind speed? HERE and HERE
9. What is the world record high-jump height for a guinea pig? GOOGLE IT!
10. How many times does England fit into Australia? GOOGLE IT!
11. How much did the most expensive dessert ever cost? GOOGLE AGAIN.
12. Why is 70 a weird number? HERE
13. Why Google Googol? HERE
14. How many burgers does McDonalds sell a second worldwide? HERE
15. If the population of the world spread across the USA , what area would we get each?
GOOGLE THE NUMBERS!
16. How many times was the most frequently married person in the world, married?
GOOGLE HIM.
17. Why is Zero Zero Zero like 123? HERE
18. What is the world record for the greatest number of snorts in 10 seconds? HERE
19. How long would it take to grow your hair to your feet? HERE
20. 20. What number causes the greatest loss of money in the world? HERE

20 AMAZING numbers
April 26, 2021… so amaaaazing you’ll have to check them for yourself!
POP UP ANSWERS … click on Q.
1. How many bristles in a toothbrush?
2. What % of Oxygen in the atmosphere comes from forests?
3. How loud was the loudest recorded human scream?
4. How many apples could kill an average-sized adult?
5. How many countries in Africa?
6. What happens when you Google this number, 241543903?
7. How many vertebrae in a giraffe’s neck
8. What is the highest recorded wind speed?
9. What is the world record high-jump height for a guinea pig?
10. How many times does England fit into Australia?
11. How much did the most expensive dessert ever cost?
14. How many burgers does McDonalds sell a second worldwide?
16. How many times was the most frequently married person in the world, married?
17. Why is Zero Zero Zero like 123?
18. What is the world record for the greatest number of snorts in 10 seconds?
19. How long would it take to grow your hair to your feet?
20. What number causes the greatest loss of money in the world?
LINKS:
1. How many bristles in a toothbrush? HERE
2. What % of Oxygen in the atmosphere comes from forests? HERE
3. 3. How loud was the loudest recorded human scream? GOOGLE IT!
4. How many apples could kill an average-sized adult? HERE
5. 5. How many countries in Africa? GOOGLE IT!
6. What happens when you Google this number: 241543903? HERE
7. How many vertebrae in a giraffe’s neck? HERE
8. What is the highest recorded wind speed? HERE and HERE
9. What is the world record high-jump height for a guinea pig? GOOGLE IT!
10. How many times does England fit into Australia? GOOGLE IT!
11. How much did the most expensive dessert ever cost? GOOGLE AGAIN.
12. Why is 70 a weird number? HERE
13. Why Google Googol? HERE
14. How many burgers does McDonalds sell a second worldwide? HERE
15. If the population of the world spread across the USA , what area would we get each?
GOOGLE THE NUMBERS!
16. How many times was the most frequently married person in the world, married?
GOOGLE HIM.
17. Why is Zero Zero Zero like 123? HERE
18. What is the world record for the greatest number of snorts in 10 seconds? HERE
19. How long would it take to grow your hair to your feet? HERE
20. 20. What number causes the greatest loss of money in the world? HERE

Death by Chocolate: Yes! Chocolate can kill. But how much would kill you?
February 24, 2021Choco Yum Yum! Mathspig lervs chocolate. But did you know chocolate can kill you?
Chocolate contains a chemical called Theobromine. This alkaloid ( other alkaloids include cocaine, nicotine, caffeine, and strychnine) can kill humans. More info Wired Magazine.
How much chocolate is too much?
Firstly, the darker the chocolate the more Theobromine it contains.
According to About Chemistry based on the highest possible toxicity:
* Vetmedicine: Cooking chocolate contains 8-10 times the Theobromine in Milk Chocolate.
According to Wired large doses of theobromine may cause “nausea and anorexia ….. sweating, trembling and severe headache.”
The Royal Society of Chemistry notes that chocolate does not contain caffeine, but theobromine induces similar symptoms.
LD50 for the lethal dose for 50% of the population for Theobromine is:
1000 mg/kg 0r 1gm/kg of body weight in humans
Death by Chocolate Calculations:
1. FORMULA
2. GRAPH
3. Percentage
