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Divisibility 2,5 and 10. Divisibility Rule for 2. A number is divisible by 2, if it is an EVEN NUMBER If a number has 0,2,4,6,8 in its ones place it is divisible by 2 One’s place has digit 6. ∴ 596 is divisible by 2. HUNDREDS. TENS. ONES. 6. 5. 9. Divisibility 2 rule. 37 2.
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Divisibility Rule for 2 • A number is divisible by 2, if it is an EVEN NUMBER • If a number has 0,2,4,6,8 in its ones place it is divisible by 2 One’s place has digit 6. ∴ 596 is divisible by 2 HUNDREDS TENS ONES 6 5 9
Divisibility 2 rule 372 One’s place has digit 2 ∴ 372 is divisible by 2 530 One’s place has digit 0 ∴ 530 is divisible by 2 815 One’s place does not have digits 0,2,4,6,8 ∴ 815 is not divisible by 2 924 One’s place has digit 4 ∴ 924 is divisible by 2 459 One’s place does not have digits 0,2,4,6,8 ∴ 459 is not divisible by 2 168 One’s place has digit 8 ∴ 168 is divisible by 2
Divisibility Rule for 5 • If a number has 0 or 5 in its ones place it is divisible by 5 HUNDREDS TENS ONES One’s place has digit 5, hence 205 is divisible by 5 2 0 5 . One’s place has digit 0, hence 730 is divisible by 5 7 3 0 .
Divisibility 5 rule 285 One’s place has digit 5 ∴ 285 is divisible by 5 316 One’s place does not have digits 0 or 5 ∴ 316 is not divisible by 5 790 One’s place has digit 0 ∴ 790 is divisible by 5 405 One’s place has digit 5 ∴ 405 is divisible by 5 658 One’s place does not have digits 0 or 5 ∴ 658 is not divisible by 5 140 One’s place has digit 0 ∴ 140 is divisible by 5
Divisibility Rule for 10 • If a number has 0 in its ones place it is divisible by 10 HUNDREDS TENS ONES 3 4 0 One’s place has digit 0. ∴ 340 is divisible by 10
Divisibility 10 rule 275 One’s place does not have digit 0 ∴ 275 is not divisible by 10 490 One’s place has digit 0 ∴ 490 is divisible by 10 518 One’s place does not have digit 0 ∴ 518 is not divisible by 10 301 One’s place does not have digit 0 ∴ 301 is not divisible by 10 780 One’s place has digit 0 ∴ 780 is divisible by 10 915 One’s place does not have digit 0 ∴ 915 is not divisible by 10
Try these • From the given numbers below, list the numbers divisible by 2 • 346 , 239 , 794 , 435 , 982 • From the given number below, list the numbers divisible by 5 • 1043 , 3215, 2104 , 4420 , 5248 • From the given number below, list the numbers divisible by 10 • 2532 , 4510 , 3565 , 1433 , 5240