SchoolNotes 2.0

Flashcards for Jennifer Nussman

A number is divisible by 2 if
it ends in an even number (0, 2, 4, 6, 8) ex 318.
A number is divisible by 5 if
it ends in 5 or 0 (ex. 580 or 75)
A number is divisible by 10 if
it ends in 0 (ex 200, 370)
A number is divisible by 3 if
the sum of its digits is divisible by 3
A number is divisible by 9 if
the sum of its digits is divisible by 9
A number is divisible by 4 if
the last 2 digits are divisible by
A number is divisible by 6 if
it is divisible by 2 and 3
1/2 is ___%
50
1/5 is ___%
20
1/4 is ___%
25
1/10 is ___%
10
The first five prime numbers are
2, 3, 5, 7, 11

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