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Mathematical Operations on the Number Line

Explore number line concepts by placing various numbers and performing calculations. Corrections for textbook problems and answers from the workbook are also provided. Enhance your understanding of arithmetic operations with this interactive guide.

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Mathematical Operations on the Number Line

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  1. Bell Work • On the number line below, place the following numbers • A) -5 • B) the opposite of 10 • C) the opposite of -4 • D) the opposite of the opposite of 8 • E) the # halfway between -9 and 3 • F) -2 + 5 • G) -3 – 4 • H) 5 – (-2) • I) -2 x -3 • J) 6 + -4 -10 -9 -8 -7 -6 -5 -4 -3 -2 -1 0 1 2 3 4 5 6 7 8 9 10

  2. A) -5 • B) the opposite of 10 • C) the opposite of -4 • D) the opposite of the opposite of 8 • E) the # halfway between -9 and 3 = -3 • F) -2 + 5 = 3 • G) -3 – 4 = -7 • H) 5 – (-2) = 7 • I) -2 x -3 = 6 • J) 6 + -4 = 2 B G A E J F C I H D -10 -9 -8 -7 -6 -5 -4 -3 -2 -1 0 1 2 3 4 5 6 7 8 9 10

  3. Corrections • Textbook pg 135 • #1a) -1 b) 7 c) -16 d) 0 • E) -3 F) -10 g)4 h)17 • #3a) 25 b) -145 c)-30 • d) 1356 e) -539 f) 280 • #4  a) 3, 2, 1, 0, -1 •  b) 11, 10, 9, 8, 7 •  c) 10, 11, 12, 13, 14 • #5a) -25 + 12 = -13 b) 8 + (-17) = -9 • C) -14 + (-9) = -23 d)-24 + (-11) = -35

  4. Corrections • Textbook pg 136 • #6a) -74 b) 56 c) 18 • D) -22 e) -1038 f) 1536 • #8a) -4 b) 5 c)6 • D) -10 e) -12 f) -19 • #9 a) Expression 2 (8- -7) B) Expression 3 (-5 - -9) c) Expression 1 (-3 + 6) • #10 • #12

  5. Pg 136 • #10 • A) -7, -14, -21, -28, -35, -42 • B) 38, 28, 18, 8, -2, -12 • C) -68, -56, -44, -32, -20, -8, 4 • #12 A) -17 B) -52 C) -7 D) -63 E)1 F) 115

  6. Corrections • Textbook pg 137 • #15 • A) -14 B) -8 • C) -11 D) 0

  7. Answers (Workbook pg 43) • #1 • A) + B) - C) - D) + • #2 • A) 91 B) 500 C) -100 D) -940 • E) 5 F) -11 G) -18 H) 111

  8. Answers (Workbook Page 44) • #3 • A) 165 B) 33 C) 202 D) -9 • E) -133 F) 0 G) -9887 H) -1 019 • I) -839 J) 1 250 K) -4 048 L) 47 • #4 • A) 56 B) 142 C) -142 D)-56 • #5 • A) 17 B) 376 • C) -794 D) -193

  9. Army - Titus • Army - Caius • Titus’ Life • Caius’ Life -186 -184 -182 -180 -178 -176 -174 -172 -170 -168 -166 -164 -162 -160 -158 -156 -154 -152 -150 -148 Titus Caius

  10. False True False True False True d c 0 a b

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