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Comparing & Ordering Integers

Comparing & Ordering Integers. Vocabulary. integers: all positive and negative whole numbers and zero. opposites: two numbers that are the same distance from zero on the number line, but in opposite directions. Ex. 2, -2

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Comparing & Ordering Integers

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  1. Comparing & Ordering Integers

  2. Vocabulary • integers: all positive and negative whole numbers and zero. • opposites: two numbers that are the same distance from zero on the number line, but in opposite directions. Ex. 2, -2 • absolute value: a number’s distance from zero on the number line (always a positive value).

  3. Finding Absolute Value Find the l3l and l-3l. l3l and l-3l = 3

  4. Quick Practice Write the opposite of each number. • 2 b) 4 c) -3 d) -11 a) -2 b) -4 c) 3 d) 11

  5. Quick Practice Find each absolute value. • l-21l b)l14l c) l-1l d)l21l a) 21 b)14 c) 1 d)21

  6. Comparing Integers Compare -4 and 1 using <, =, or >. Remember, numbers increase going from left to right. -4 < 1

  7. Quick Practice Which number in the pair is farther away from zero. a) 4, -5 b) 2, 5 c) -1, -3 d) -12, 11 a) -5 b) 5 c) -3 d) -12

  8. Quick Check Compare using <, =, or >. a) -6 -3 b) -23 0 c) 17 -18 d) 5 -1 a) -6 < -3 b) -23 < 0 c) 17 > -18 d) 5 > -1 e) l-21l 21 f) -14 l14l c) l-1l -5 e) l-21l = 21 f) -14 < l14l c) l-1l > -5

  9. l-4l l-3l >

  10. l12l l-12l =

  11. l-20l l10l >

  12. l-14l l-15l <

  13. l-7l 6 >

  14. -5 l-4l <

  15. -15 5 <

  16. l-13l l12l >

  17. 19 l-19l =

  18. l-27l 28 <

  19. Ordering Integers Order the numbers -8, 7, -4, and 3 from least to greatest. Use a number line to plot the points. Then put them in order from least to greatest. Remember, numbers increase going from left to right. -8, -4, 3, and 7

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