Tag: homeschool

Area Model: from Distributive Property to Calculus
“Mommy, do you know how many bars of chocolate are there?”, Shawn asked when he opened the pack of chocolate.“Hmm, there are 24 bars”, I replied in about 2 seconds.Shawn, “how can you count the total numbers so quickly? I didn’t count but tried to add 6 bars four times, yet I’m still slow, much…

Square Numbers and Odd Numbers
When we were having dinner, Shawn’s dad casually tested his calculation.Dad: 1 plus 3 is?Shawn: 4Dad: How about 1 plus 3 plus 5?Shawn: 9Dad: Add the next odd number 7?Shawn: Well, it is 9 plus 7, and it equals 16. Shawn’s dad suddenly realized that square numbers could be formed by adding consecutive odd numbers…