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Negative Numbers

Negative Numbers. What do you understand by this?. We think of numbers being on a number line:. Understanding Negative Numbers. ∞. 0. 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. These numbers are all positive numbers, although we don’t actually put the + sign in front of each number. +. 0. 1.

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Negative Numbers

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  1. Negative Numbers What do you understand by this?

  2. We think of numbers being on a number line: Understanding Negative Numbers ∞ 0 1 2 3 4 5 6 7 8 9 10 These numbers are all positive numbers, although we don’t actually put the + sign in front of each number +

  3. 0 1 2 3 4 5 6 7 8 9 10 The number line can also continue on past 0: Understanding Negative Numbers -9 -8 -7 -6 -5 -4 -3 -2 -1 These new numbers are negative numbers. -

  4. 6 5 4 Getting warmer 3 The temperaturescale is often seen vertically. Negative Numbers 2 1 Water freezing 0 - 1 - 2 As the temperature goes below freezing we use negative numbers. Getting colder - 3 - 4 - 5 - 6

  5. Negative Numbers - This time the scale is horizontal -6 -5 -4 -3 -2 -1 0 1 2 3 4 5 6

  6. Negative Numbers -12 -10 -8 -6 -4 -2 0 2 4 6 8 10 12 The scale changed, each division is worth?

  7. Negative Numbers -30 -25 -20 -15 -10 -5 0 5 10 15 20 25 30 The scale changed, each division is worth?

  8. -11 -10 -9 -8 -7 -6 -4 -3 -2 -1 0 1 Negative Numbers -5 What’s the missing number?

  9. -28 -27 -26 -25 -24 -23 -21 -20 -19 -18 -17 -16 Negative Numbers -22 What’s the missing number?

  10. -28 -26 -24 -22 -20 -18 -14 -12 -10 -8 -6 -4 Negative Numbers -16 What’s the missing number?

  11. 40 35 30 25 20 15 10 5 0 -5 -10 -15 -20

  12. -30 -25 -20 -15 -10 -5 0 5 10 15 20 25 30 Which is colder -5 or -20? Why? Negative Numbers

  13. 20 - 20 - 2 5 - 15 10 Can you order this set of numbers starting with the coldest?

  14. Discuss Temperature Difference & Change NNS Thermometer

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