FINALLY! A decent number line for teaching positive and negative numbers and beginning addition and subtraction of integers. Really, this is the bomb. I have used it.
Simple but not too simple, big enough to see, enough numbers to help learn to add and subtract, but not enough to take up all the wall space you have. Print and cut into rows of three numbers each.....then just tack them up. All done!
Comes with a sign about how signs interact in operations.
This is a large font positive negative integers number line from -32 to +32, big enough to see from farther away, not confusingly color coded. Positive signs are gray to remind us we don't use these normally--they are for clarity in learning. Not all the way from -100 to +100 in tiny numbers.
Takes up 2.5 inches by15 feet of wall space. I use a blue laser pointer to track up and down the line and let the kids do the same.....they love that.