Warm Up 1) -10 + 5 2) -13 + -6 3) 7 – (-23) 4) -8 – (-3) 5) 4(-2) 6) -10(-3) 7) -9(8) 8) 25 ÷ -5 9) -64 ÷ -8 10) -42 ÷ 6 HINTS: #’s 1-2 (Addition) Same.

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Presentation transcript:

Warm Up 1) ) ) 7 – (-23) 4) -8 – (-3) 5) 4(-2) 6) -10(-3) 7) -9(8) 8) 25 ÷ -5 9) -64 ÷ -8 10) -42 ÷ 6 HINTS: #’s 1-2 (Addition) Same signs, add & keep Different signs, subtract & take sign of larger # #’s 3-4 (Subtraction) 1)Keep, Change, Change 2)Follow addition rules above #’s 5-10 (Multiplication/Division) + --

Solve the following problem. 10 – ÷ 2

Order of Operations 1. Simply expressions within grouping symbols. ( ) [ ] 2. Simply exponents. 3. Multiply & divide from left to right. 4. Add & subtract from left to right. Examples: (8 + 4) 328 ÷ (7 2)14 – (8 - 6) 5 Practice Worksheet

Warm Up Solve: Remember PEMDAS 30 ÷ (3 + 2) (5-1)

Distributive Property a(b+c) = a(b) + a(c) a(b -c) = a(b) + a(c) Examples: 9 (4 + 5) = 9(4) + 9(5) = = 81 5 (8 – 2) = 5(8) – 5(2) =

Distributive Property in Mental Math Use the distributive property to find 4(36) What I’m thinking……. 36 is , so finding 4(36) is the same as finding 4(30) + 4(6). This I can do mentally! 4(30) + 4(6) = = 144

PG ) 5(29) 13) 7(78) 14) 5(42) 15) 8(87) 16) 9(33) 17) 6(96)