Noteables Interactive Study Notebook - McGraw-Hill Higher Education

2–4 Adding IntegersEXAMPLES Add Integers with the Same SignMAIN IDEA• Add integers.Find -6 + (-3).Use a number line.• Start at .• Move 6 units to show -6.• From there, move units left to show . So, -6 + (-3) = .Copyright © Glencoe/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.KEY CONCEPTSAdding Integers withthe Same Sign The sumof two positive integersis positive. The sum oftwo negative integers isnegative.Additive InverseProperty The sum of anynumber and its additiveinverse is 0.Find -34 + (-21) .-34 + (-21) = Both integers are negative, so thesum is .Check Your Progress Find each sum.a. -5 + (-2) b. -27 + (-19)BUILD YOUR VOCABULARY (pages 32–33)The integers 5 and -5 are called opposites of each otherbecause they are the same distance from 0, but onsides of 0.Two that are are also calledadditive inverses.Math Connects, Course 2 41