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Order of Operations with Integers

Order of Operations with Integers. SWBAT simplify expressions involving integers using the order of operations. P E M D A S. Parenthesis Any grouping symbol, ( ), [ ], { } Exponents Repeated Multiplication 2 3 Multiplication and Division From left to right Addition and Subtraction

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Order of Operations with Integers

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  1. Order of Operations with Integers SWBAT simplify expressions involving integers using the order of operations

  2. P E M D A S Parenthesis Any grouping symbol, ( ), [ ], { } Exponents Repeated Multiplication 23 Multiplication and Division From left to right Addition and Subtraction From left to right Review – Order of Operations

  3. Integer rules • Adding • Same signs – add the digits and keep the sign • Different signs – subtract the absolute values and keep the sign of the number with the larger absolute value • Subtracting • Rewrite as addition by using the opposite of the subtrahend • Multiplying/Dividing • Even number of negatives – answer is positive • Odd number of negatives – answer is negative • How do you think integers will affect order of operations? • Keep the same order, and remember your rules

  4. Examples • -4[6 + (8 – 5)2] • 4 x {[6 – (-4)]2 x 15} + (-5) • 16 – (-279) ÷ 31 • -16 – 4 (1 + 1)2 • 24(-36 + 45) – (-21) – 38 x 3

  5. -62 – 84 ÷ -4 + 33 -62 + (-84) ÷ -4 + 33 -62 + 21 + 33 -41 + 33 -8 -92 · (-91 + 93) ÷ -23 -92 · 2 ÷ -23 -46 ÷ -23 2 71 + (-175) – 56 ÷ -8 71 + (-175) + -56 ÷ -8 71 + (-175) + 7 -104 + 7 -97 3 · -16 – 362 ÷ -12 3 · -16 + -362 ÷ -12 3 · -16 + -1296 ÷ -12 -48 + -1296 ÷ -12 -48 + 108 60 Do the Try these problems on your paper

  6. Exit Ticket • On a scrap paper solve the following expression using the order of operations. • You may not leave until you have completed and handed in the following problem. • Watch your signs and show your steps. • 7 – (-9 – 5) · 22

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