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WHO AM I 5 minutes: fill out individually – NO TALKING 1) Find 1 person in your group you have at least 3 things in common with ___________ 2) Find 1 person in your group that has impressed you. ______________________ HOW TO TAKE CORNELL NOTES IN MATH Page 3 in binder…put it away now 1) Name 5 things that could or should go in the left hand column 2) Explain what goes in the right hand side 3) Explain what goes in the SCR section 9. Homework Practice Write in English: 2m + 3 Challenge Write in English: 2(m + 3) Review: Adding and subtracting integers Visually Negative numbers are black: Positive numbers are red A black and a red make Zero Black + Black = ____________ Red + Red = ___________ Black + Red depends on __________________________ Number line Positives go to the right : Positive + Negative =Zero Negatives go to the left Positive + Positive = __________ Negative + Negative = ________ Positive # + Negative # depends on ________________________ Rules for addition: Signs same , ADD or combine Signs different – whichever has more wins Examples: 1. -4 + 7 2. -4 + -8 3. 8 + -6 4. 5. -3 + -8 6. -5 + 5 2+9 Rules for subtraction – subtract means “add the opposite” 7 – 4 means 7 + the opposite of 4 or 7 + -4 5 - -6 means 5 + the opposite of -6 or 5+6 -4 - 2 means -4 + the opposite of 2 or -4 + -2 How is a fast race horse like a dessert? Integer Puzzle ORDER OF OPERATIONS How to do a math problem with more than one operation in the correct order. Cornell notes: page 5 PEMDAS • Remember the order by the phrase • Please • Excuse • My Dear • Aunt Sally The “P” and “E” • The “P” stands for items in parenthesis • Do all items in the parenthesis first The “E” stands for Exponents Do anything that has a exponent (power) 2 8 The “MD” • Represents Multiply and Divide • Do which ever one of these comes first in the problem Work these two operations from left to right 6/2 x 4 /3 The “AS” • Represents Add and Subtract • Do which ever one of these comes first • Work left to right 6+3×4−1 4 (3 2) 2 4 3 2 16 3 (7 4) 24 3 2 1) 5 + (12 – 3) 3) 39 ÷ (9 + 4) 2) 8 – 3 • 2 + 7 4) 6) 10 + 8 ÷ 2 – 6 36 ÷ (1 + 2)2 5) 15 • 103 7) 3 • 104 8) (5 – 1)3 ÷ 4 9) 14 + 3(7 -2) – 2 • 5 SCR • Why does the order of operation matter? • Topic sentence • Use math vocabulary • Use complete • Write the SCR question in your notes – it is part of your homework each night. sentences and good grammar (NO IM) • Correct solution • Examples/Counterexamples Order of Operation Bingo with a partner on the marker boards 6. Homework Practice 3 7 12 6 (7) 2 4+3∙9−3 Challenge 3 (7) (12 ) 6 (7) 3 3 5 + 3÷1 3 +8 −9