Rules of Divisibility
Square Roots
100
How can you tell if a number is divisible by 4? Make sure the rule is comprehensive enough to cover only numbers divisible by 4
What is the last two digits are divisible by 4
100
What is the square root of 144
What is 12
200
What is the square root of 100 + 25
What is 15
300
What is the square root of 169?
What is 13
400
What is the square root of 1225?
What is 35?
500
What is the square root of 156 plus the square root of 25?
What is 21?
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