Download the worksheet for free at HERE First, let’s look at how to add on a number line. Addition on a number line: Let numbers start from zero up to fifteen on a number line. So what happens if we add 7 and 5 on this number line? Example: First, we find the number zero on the number line. Then we move from the number 0 to the number 7. After we find the number 7, we count 5 numbers. So when we count 5 more after 7, we get 12 on the number line. Adding with the number zero:
