Big Ideas Math- Chapter 1 Integers
An integer is a positive or negative whole number (no fractions or decimals). Integer Song! Sung to “Row, Row, Row Your Boat” Same signs add and keep, different signs subtract! Keep the sign of the “larger” number, and then you'll be exact! Subtraction's not so hard to do, it's really not that bad. Change the signs in the middle, then use your rules for “add”. Multiply and divide, it's an easy thought. Same signs are positive, different signs are not! |