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Math Journal Warm-Up: Dive into Integers and Rational Numbers

Start your math journal with a warm-up exercise focusing on integers and rational numbers. What do you notice about the relationships between positive and negative numbers? Explore conversions and vocabulary while practicing number sentences. Stay engaged and curious in the world of math!

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Math Journal Warm-Up: Dive into Integers and Rational Numbers

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  1. Math CC7/8 – Be Prepared Warm Up in your journal) What do you notice? What do you wonder? • Math Journal • Pencil • Name Tag On Desk: Turn In: Signed Syllabus HW: AN p.22 #36-40, #46-47, optionalpg.26 #76-77

  2. Tasks for Today • First Unit: Accentuate the Negative • AN Lesson 1.3 (skipping 1.1-1.2) What is an Integer Converting Rational Numbers

  3. Investigation 1 Vocabulary Review - journal • Integers • Number sentence • A mathematical statement that gives the relationship between two expressions that are composed of numbers and operation signs ( 3 + 2 = 5) • Positive number • A number greater than zero • Negative number • A number less than zero

  4. Investigation 1 Vocabulary Review - journal • Opposites • Two numbers whose sum is 0. (3 and -3 are opposites) • 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)

  5. AN p.14

  6. -145 degrees F 115 + n = -30 -30 - 115 = n

  7. 25 + 10 = 35

  8. Write number sentences!

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