positive negative numbers oh my Lisa Arias rourke educational media Scan for Related Titles and Teacher Resources
How Numbers Came to Be The story of numbers began with natural numbers like 1 2 and 3 1 2 3 4 5 6 Next zero became the hero and whole numbers came to be 0 1 2 3 4 5 6 Before long negatives needed a say so integers decided to come out to play 6 5 4 3 2 1 0 1 2 3 4 5 6 4
But these numbers were not enough so rational numbers came in to do their stuff 6 5 4 3 2 1 0 5 4 3 1 2 2 6 1 3 50 1 2 1 81 3 4 5 1 2 6 5.8 Next we will look and see what integers mean to you and me Check It Out Positive integers can be written with or without a positive sign Negative integers must be written with a negative sign 3 or 3 3 5