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INTEGER RULES ADDITION Like signs - add numbers; answer is same sign 6 + 5 = 11 -6 + -5 = -11 Unlike signs – subtract numbers; answer is same sign as larger number –7 + 4 = -3 4 + -10 = -6 SUBTRACTION “Keep it, Change it, Change it” Then use addition rules to solve: -6 - -8 KCC -6 + 8 = 2 MULTIPLICATION/DIVISION Multiplication and division use the same rules: 14 12 Like signs positive: -3 -2 = 6 =6 Unlike signs negative -4 7 = -28 = -7 2 2 INTEGER RULES ADDITION Like signs - add numbers; answer is same sign 6 + 5 = 11 -6 + -5 = -11 Unlike signs – subtract numbers; answer is same sign as larger number –7 + 4 = -3 4 + -10 = -6 SUBTRACTION “Keep it, Change it, Change it” Then use addition rules to solve: -6 - -8 KCC -6 + 8 = 2 MULTIPLICATION/DIVISION Multiplication and division use the same rules: 14 12 Like signs positive: -3 -2 = 6 =6 Unlike signs negative -4 7 = -28 = -7 2 2 INTEGER RULES ADDITION Like signs - add numbers; answer is same sign 6 + 5 = 11 -6 + -5 = -11 Unlike signs – subtract numbers; answer is same sign as larger number –7 + 4 = -3 4 + -10 = -6 SUBTRACTION “Keep it, Change it, Change it” Then use addition rules to solve: -6 - -8 KCC -6 + 8 = 2 MULTIPLICATION/DIVISION Multiplication and division use the same rules: 14 12 Like signs positive: -3 -2 = 6 =6 Unlike signs negative -4 7 = -28 = -7 2 2 INTEGER RULES ADDITION Like signs - add numbers; answer is same sign 6 + 5 = 11 -6 + -5 = -11 Unlike signs – subtract numbers; answer is same sign as larger number –7 + 4 = -3 4 + -10 = -6 SUBTRACTION “Keep it, Change it, Change it” Then use addition rules to solve: -6 - -8 KCC -6 + 8 = 2 MULTIPLICATION/DIVISION Multiplication and division use the same rules: 14 12 Like signs positive -3 -2 = 6 =6 Unlike signs negative -4 7 = -28 = -7 2 2 INTEGER RULES ADDITION Like signs - add numbers; answer is same sign 6 + 5 = 11 -6 + -5 = -11 Unlike signs – subtract numbers; answer is same sign as larger number –7 + 4 = -3 4 + -10 = -6 SUBTRACTION “Keep it, Change it, Change it” Then use addition rules to solve: -6 - -8 KCC -6 + 8 = 2 MULTIPLICATION/DIVISION Multiplication and division use the same rules: 14 12 Like signs positive: -3 -2 = 6 =6 Unlike signs negative -4 7 = -28 = -7 2 2 INTEGER RULES ADDITION Like signs - add the numbers and use the same sign as both numbers Ex. 6 + 5 = 11 -6 + -5 = -11 Unlike signs – subtract the numbers and use the same sign as the larger number Ex. –7 + 4 = -3 4 + -10 = -6 SUBTRACTION The phrase you want to keep in your head is “Keep it, Change it, Change it” You keep the first sign, change the – to a +, and change the sign of the last integer. Then use addition rules to solve. Here are some examples: -6 - -8 9–2 -7 - 4 -6 + 8 = 2 9 + -2 = 7 -7 + -4 = -11 MULTIPLICATION AND DIVISION Multiplication and division use the same rules: 10 12 Like signs positive: 9 3 = 27 -3 -2 = 6 =5 =6 2 2 14 18 Unlike signs negative -4 7 = -28 8 -2 = -16 = -7 = -6 3 2 INTEGER RULES ADDITION SUBTRACTION Like signs - add the numbers and use the same sign as both numbers Ex. 6 + 5 = 11 -6 + -5 = -11 Unlike signs – subtract the numbers and use the same sign as the larger number Ex. –7 + 4 = -3 4 + -10 = -6 The phrase you want to keep in your head is “Keep it, Change it, Change it” You keep the first sign, change the – to a +, and change the sign of the last integer. Then use addition rules to solve. Here are some examples: -6 - -8 9–2 -7 - 4 -6 + 8 = 2 9 + -2 = 7 -7 + -4 = -11 MULTIPLICATION AND DIVISION Multiplication and division use the same rules: 10 12 Like signs positive: 9 3 = 27 -3 -2 = 6 =5 =6 2 2 14 18 Unlike signs negative -4 7 = -28 8 -2 = -16 = -7 = -6 3 2 INTEGER RULES ADDITION Like signs - add the numbers and use the same sign as both numbers Ex. 6 + 5 = 11 -6 + -5 = -11 Unlike signs – subtract the numbers and use the same sign as the larger number Ex. –7 + 4 = -3 4 + -10 = -6 SUBTRACTION The phrase you want to keep in your head is “Keep it, Change it, Change it” You keep the first sign, change the – to a +, and change the sign of the last integer. Then use addition rules to solve. Here are some examples: -6 - -8 9–2 -7 - 4 -6 + 8 = 2 9 + -2 = 7 -7 + -4 = -11 MULTIPLICATION AND DIVISION Multiplication and division use the same rules: 10 12 Like signs positive: 9 3 = 27 -3 -2 = 6 =5 =6 2 2 14 18 Unlike signs negative -4 7 = -28 8 -2 = -16 = -7 = -6 3 2