class 6 maths divisibility test rule and extra questions

 Class 6 maths divisibility test rule and extra                                   Questions 

Divisibility by 2:

A number is divisible by 2, if the digit at ones place is an even number, that is the number ends in 0, 2, 4 or 8. For example, 100, 222, 344, 1658 are divisible by 2.

Divisibility by 3:

A number is divisible by 3, if sum of all its digits is divisible by 3. Let us check if 27648 is divisible by 3. Sum of digits = 2 + 7 + 6 + 4 + 8 = 27; 27 ÷ 3 = 9. Hence 27648 is exactly divisible by 3.

Divisibility by 4:

A number is divisible by 4, if the number formed by its last 2 digits is divisible by 4. Let us check if 1124 is divisible by 4. Number formed by last 2 digits 24 is divisible by 4.

Divisibility by 5:

A number is divisible by 5, if it ends in 0 or 5. For example 100, 225, 605, 8000, 9925 are divisible by 5.

Divisibility by 9:

A number is divisible by 9, if sum of its digits is divisible by 9. Let us check if 16911 is divisible by 9.

Sum of digits = 1 + 6 + 9 + 1 + 1 = 18. It is exactly divisible by 9.

Divisibility by 10:

All numbers ending in 0 are divisible by 10. For example 8000, 9010, 11020, 98670 are divisible by 10.

Check using divisibility rules and fill in the boxes using “Yes” or “No”.

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