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Why is a even number plus an even number equal to an even number?
You can simply take the lowest even numbers and subtract it i.e. 4-2=2
What happens when you subtract a odd number and an odd number?
when an odd number is subtracted from an odd number the answer is an even number.
What odd number becomes even if you remove one letter?
7.
Are the multiples of an even number always even?
Yes, assuming you're multiplying it by another integer. By definition, an even number is a multiple of two. When you multiply it be another round number, that even number becomes a factor of the result. That means any factors of that even number (one of them being two), will also be factors of the result, thus giving you another even number. If however you multiply by a non-integer, you may very well end up with something that is not an even number. For example, 6 is an even number, but 6 × 1.5 will give you 9, which is not an even number.
Why is an even number minus an even number an even number?
In math, even is just another way of saying divisible by 2.If you add or subtract two numbers that share a divisor, the resulting number will also share that divisor. So the sum or difference of a pair of even numbers will (always and also) be divisible by two.In algebraic terms:If a/2 results in a whole number, then a must be even. Likewise, b/2.a/2 - b/2 = (a-b)/2.So if both a/2 and b/2 are whole numbers, then their difference must be, as well.
