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CW: Number Lines

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Quick Start Expectations 1.Fill in planner and HWRS HW: p.20-27 #36-48, 76-77 2.On desk: math journal, pencil and pen 3.Warm UP:

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Notebook: 10/10/14 AN 1.3: From sauna to snowbank How can you write a number sentence to show change on a number line? AND How can you use a number line to represent a number sentence? (Underline 2 or 3 key words in your question.)

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AN Inv 1 Vocabulary Review Positive number: A number greater than zero Negative number: A number less than zero Opposites: Two numbers whose sum is 0. (3 and -3 are opposites) Number sentence: A mathematical statement that gives the relationship between two expressions that are composed of numbers and operation signs ( 3 + 2 = 5) Integers: A set of whole numbers, their opposites, and zero. Rational numbers: Numbers that can be expressed as a quotient of two integers where the divisor is not zero. (1/2, 9/11, -7/5)

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1.3 video

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n = 49 49

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5 + n = 25 n = 30 5 + 30 = 25

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-145 degrees F 115 + n = -30 -30 - 115 = n

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25 + 10 = 35

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Write number sentences!

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