Math

 

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Our Brains Think about Math Visually from Citizen Film on Vimeo.

Divisibility Rules

1: All whole numbers are multiples of 1
2: The last digit is 2, 4, 6, 8, 0
3: The digits add up to a multiple of 3
4: The last 2 digits are a multiple of 4
5: Last digit is either 5 or 0
6: Divisible by 2 and 3
7: It is a bit bizarre. Use google. You may get confused
8: Last 3 digits are divisible by 8
9: The digits add up to a multiple of 9
10: So obvious – ends in 0