If a number is divisible by 10, is it also therefore divisible by 2?
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If a number is divisible by 10, is it also therefore divisible by 2?
The answer is yes - every number that is divisible by 10 is divisible by 2.
This can be learned through the divisibility rules of each number.
We know that to identify a number divisible by 10, we need to examine its ones digit,
only numbers whose ones digit is 0 are divisible by 10,
for example: 30, 510, 15610
We know that numbers whose ones digit is 0 are actually even numbers,
and even numbers are divisible by 2 without a remainder.
Therefore, we can be certain - every number that is divisible by 10 is also divisible by 2.
It's important to understand that this is not necessarily true in reverse, not every number that is divisible by 2 is also divisible by 10!
Yes.
Is the number 43 divisible by 4?
Because 10 = 2 × 5! If a number is divisible by 10, it contains both 2 and 5 as factors. Since it has 2 as a factor, it must be divisible by 2.
Yes! If a number is divisible by 12, it's also divisible by 3, 4, and 6 because 12 = 3 × 4. Any factor of the divisor will also divide the number.
All numbers ending in 0 are even numbers, which means they're automatically divisible by 2. Examples: 10, 20, 30, 100, 250 - all even!
No! Just because 24 ÷ 2 = 12, doesn't mean 24 ÷ 10 works. 24 ÷ 10 = 2.4, not a whole number. The relationship only works one way.
Think of it like size: if you can fit into a smaller box (divisible by 10), you can definitely fit into a bigger box (divisible by 2). But fitting in the bigger box doesn't guarantee you fit in the smaller one!
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