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### Grade 6 - Mathematics1.27 Criteria of Divisibility By 7

 Method: Take the one's digit Double it Subtract the product from what's left If the answer is divisible by 7, then the original number is divisible by 7 Example: Is 511 divisible by 7? The ones digit here is 1 Double it: 1 x 2 = 2 Subtract the product from what is left: 51-2 = 49 49 is divisible by 7 Therefore the number 511 is divisible by 7. Directions: Chose the correct answer. Also write at least ten examples of your own.
 Q 1: Which number is divisible by 4 & 7?None of these227525341960 Q 2: Which number is divisible by 6 & 7?2580None of these25302520 Q 3: Which number is divisible by 7?2280183925301792 Q 4: Which number is divisible by 7?2534228018392245 Q 5: Which number is divisible by 7?8200None of these81002530 Q 6: Which number is divisible by 7?4400651060304840 Q 7: Which number is divisible by 7?430170180182 Q 8: Which number is divisible by 4,5 & 7?8390810082008400 Question 9: This question is available to subscribers only! Question 10: This question is available to subscribers only!