helpful to memorize Flashcards
1
Q
first 10 prime numbers
A
2,3,5,7,11,13,17,19,23,
2
Q
prime numbers 1-100
A
2,3,5,7,11,13,17,19,23,29,31,37,41,43,47,53,59,61,67,71,73,79,83,89,97
3
Q
5 to the power of 6 in expanded form
A
55555*5
4
Q
3”2 in words and expanded form
A
three squared 3*3
5
Q
divisibilty rules of 3
A
sum of digits is divisible by 3
6
Q
divisibility rules of 4
A
last 2 digits are divisible by 4
7
Q
divisibility rules of 6
A
number is even and divisible by 3/ divisible by 2 and 3
8
Q
divise rules of 8
A
last 3 digits are divisible by 8
9
Q
divi rules of 9
A
sum of digits is divisible by9