adding two-digit numbers

snape
(noun) The ancient art of combining two numerical beasts to create a mathematical monster. Often accompanied by confused looks, sweaty brows, and mild panic attacks. The process involves strategically placing numbers side by side and hoping for the best.

Lets say 47 + 69

Adding two-digit numbers is like having a race between a tortoise and a hare. The tortoise represents the tens place (4 in 47), and the hare represents the ones place (7 in 47).

First, the hare quickly hops over to the hare from the other number, which is 6. Now the hare is at 13, but it gets tired and goes back to the starting line. Meanwhile, the tortoise steadily crawls over to the other tortoise, which is 6. Now the tortoise is at 10.

At this point, the tortoise looks over and sees the hare at 13. The tortoise realizes it needs to catch up. So, it takes one more step, reaching 11, and then another step, reaching 12, and finally one more step, reaching 13.

Now, both the tortoise and the hare are at 13! They crossed the finish line together, and that's the answer to 47 + 69. The total is 116.

Just like the tortoise and the hare, each digit takes its own path to meet up, and when they finally do, you get the sum of the two numbers!

(also: Area of circle)
(also: Pythagorean theorem)
(also: Algebraic equations)
(also: Fractions and decimals)




judaeo-christian

jason
Jewish and/or Christian, used in religious discussions of Christianity by Christians who think discussing Christianity is inherently offensive to Jews. It is often used to prevent Islamophobic rhetoric from sounding anti-Semitic.

cone

trustycoffeemug
(n.) a shape defined by a round flat base tapering into a narrow point, determined by mathematicians to be the ideal shape for edible ice cream holsters and traffic markers

not to be confused with koan

california

trustycoffeemug
(n.) an unexpectedly successful colony of the americas originally established as a free range insane asylum. currently a popular destination for sun and sand, until people actually go there and see how little of both there actually is

eclipse

jason
an occurrence in which the view of the sun or moon is obstructed by clouds, resulting in disappointment that you missed the eclipse

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