My number is 11.
The number two comes after the number one.
If you have 1 and 1, that means it is two. To add a number, count up the number you have from the original number you are adding to.
An even number.
it goes up by two.
no
You line up the last numbers and then add it!
No
Always an even number. Think of an odd number as an even number plus a half. Add them up and the two halves make an even.
No. There's no two digit numbers that could do this. The largest two digit number is 99. If you add 99 to itself, you only get 198, which is much smaller than a four digit number.
Add any two numbers that add to 1134 or 7734. So pick any number, say n. Calculate the second number as 1134 - n or 7734 - n. Add these two.
When you add a number to itself, you are multiplying it by 2. The usual term for this is you are doubling the number.