divisibility test cube and square numbers Flashcards
what is 1 cubed
1
what is 2 cubed
8
what is 3 cubed
27
what is 4 cubed
64
what is 5 cubed
125
what is 6 cubed
216
what is 7 cubed
343
what is 8 cubed
512
what is 9 cubed
729
what is 10 cubed
1000
what is 13 squared
169
what is 14 squared
196
what is 15 squared
225
what is the dt for 2
last digits end in a 0 2 4 6 8
what is the dt for 3 and 9
sum of the digits is divisible by 3 or 9
what is the dt for 4
if the last two digits are divisible by 4
what is the dt for 5
last digits end in 0 or 5
what is the dt for 6
if they are divisible by 3 and 2
what is the dt for 12
if its divisible by 3 and 4
what is the dt for 7
double the last digit and sutract from the remaining number if divisible by 7 then the og number is too
what is the dt for 8
if the number formed by the last 3 digits is divisible by 8
what is the dt for 9
if the sum of the digits is divisible by 9
what is the dt of 10
if the last digit is a 0
what is the dt for 11
take the last digit and subtract it from the remaining number, if it is divisible by 11 then the og number is too