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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. ______________________
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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
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9.Homework Practice Challenge Write in English: 2m + 3 Write in English: 2(m + 3)
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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 : Negatives go to the left Positive + Negative =Zero Positive + Positive = __________ Negative + Negative = ________ Positive # + Negative # depends on ________________________
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Rules for addition: Signs same, ADD or combine Signs different – whichever has more wins Examples: 1.-4 + 72. -4 + -83. 8 + -6 4. 2 + 95. -3 + -86. -5 + 5 7 – 4 means 7 + the opposite of 4 or 7 + -4 Rules for subtraction – subtract means “add the opposite” 5 - -6 means 5 + the opposite of -6 or 5 + 6 -4 - 2 means -4 + the opposite of 2 or -4 + -2
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How is a fast race horse like a dessert?
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Integer Puzzle
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ORDER OF OPERATIONS How to do a math problem with more than one operation in the correct order. Cornell notes: page 5
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PEMDAS Remember the order by the phrase Please Excuse My Dear Aunt Sally
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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) 8282
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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
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The “AS” Represents Add and Subtract Do which ever one of these comes first Work left to right
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1) 5 + (12 – 3) 2) 8 – 3 2 + 7 3) 39 ÷ (9 + 4)
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4) 10 + 8 ÷ 2 – 6 5) 15 10 3 6) 36 ÷ (1 + 2) 2 7) 3 10 4
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8) (5 – 1) 3 ÷ 4 9) 14 + 3(7 -2) – 2 5
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SCR Why does the order of operation matter? Write the SCR question in your notes – it is part of your homework each night. Topic sentence Use math vocabulary Use complete sentences and good grammar (NO IM) Correct solution Examples/Counter- examples
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Order of Operation Bingo with a partner on the marker boards
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6.Homework Practice Challenge
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