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Negative Numbers What do you understand by this?

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Understanding Negative Numbers We think of numbers being on a number line: These numbers are all positive numbers, although we dont actually put the + sign in front of each number

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Understanding Negative Numbers The number line can also continue on past 0: These new numbers are negative numbers.

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

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Negative Numbers - This time the scale is horizontal 0123456-2-3-4-5-6

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Negative Numbers 024681012-2-4-6-8-10-12 The scale changed, each division is worth?

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Negative Numbers 051015202530-5-10-15-20-25-30 The scale changed, each division is worth?

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Negative Numbers -4-3-201-6-7-8-9-10-11 -5 Whats the missing number?

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Negative Numbers -21-20-19-18-17-16-23-24-25-26-27-28 -22 Whats the missing number?

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

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

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Negative Numbers 051015202530-5-10-15-20-25-30 Which is colder -5 or -20?Why?

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

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Discuss Temperature Difference & Change NNS Thermometer

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