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Positive and Negative Numbers

Positive and Negative Numbers. By Shirley Sides. Definition. Positive number – a number greater than zero. 0. 1. 2. 3. 4. 5. 6. Definition. Negative number – a number less than zero. -6. -5. -4. -3. -2. -1. 0. 1. 2. 3. 4. 5. 6. Definition.

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Positive and Negative Numbers

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  1. Positive and Negative Numbers By Shirley Sides

  2. Definition • Positive number – a number greater than zero. 0 1 2 3 4 5 6

  3. Definition • Negative number – a number less than zero. -6 -5 -4 -3 -2 -1 0 1 2 3 4 5 6

  4. Definition • Opposite Numbers – numbers that are the same distance from zero in the opposite direction 2 3 4 5 6 -4 -3 -2 -1 0 1 -6 -5

  5. 7 -7 opposite Definition • Integers – Integers are all the whole numbers and all of their opposites on the negative number line including zero.

  6. Negative Numbers Are Used to Measure Temperature

  7. Negative Numbers Are Used to Measure Under Sea Level 30 20 10 0 -10 -20 -30 -40 -50

  8. Negative Numbers Are Used to Show Debt Let’s say your parents bought a car but had to get a loan from the bank for £5,000. When counting all their money they add in -£5.000 to show they still owe the bank.

  9. Hint • If you don’t see a negative or positive sign in front of a number it is positive. 9 +

  10. Solve the Problems -8 11 • -3 + -5 = • 4 + 7 = • (+3) + (+4)= • -6 + -7 = • 5 + 9 = • -9 + -9 = 7 -13 14 -18

  11. Solve These Problems -2 3 • 3 + -5 = • -4 + 7 = • (+3) + (-4) = • -6 + 7 = • 5 + -9 = • -9 + 9 = -1 1 -4 0

  12. -6 -5 -4 -3 -2 -1 0 1 2 3 4 5 6 One Way to Add Integers Is With a Number Line +3 + -5 = -2 + -

  13. -6 -5 -4 -3 -2 -1 0 1 2 3 4 5 6 One Way to Add Integers Is With a Number Line +6 + -4 = +2 + -

  14. -6 -5 -4 -3 -2 -1 0 1 2 3 4 5 6 One Way to Add Integers Is With a Number Line +3 + -7 = -4 + -

  15. -6 -5 -4 -3 -2 -1 0 1 2 3 4 5 6 One Way to Add Integers Is With a Number Line -3 + +7 = +4 - +

  16. -6 -5 -4 -3 -2 -1 0 1 2 3 4 5 6 One Way to Add Integers Is With a Number Line -5 + +3 = -2 - +

  17. -6 -5 -4 -3 -2 -1 0 1 2 3 4 5 6 One Way to Add Integers Is With a Number Line -2 + +8 = +6 - +

  18. -6 -5 -4 -3 -2 -1 0 1 2 3 4 5 6 One Way to Add Integers Is With a Number Line -5 + +2 = -3 - +

  19. -6 -5 -4 -3 -2 -1 0 1 2 3 4 5 6 One Way to Add Integers Is With a Number Line -4 + -2 = -6 - -

  20. -6 -5 -4 -3 -2 -1 0 1 2 3 4 5 6 One Way to Add Integers Is With a Number Line -2 + -3 = -5 - -

  21. -6 -5 -4 -3 -2 -1 0 1 2 3 4 5 6 One Way to Add Integers Is With a Number Line -1 + -4 = -5 - -

  22. -6 -5 -4 -3 -2 -1 0 1 2 3 4 5 6 One Way to Add Integers Is With a Number Line -4 + -1 = -5 - -

  23. -6 -5 -4 -3 -2 -1 0 1 2 3 4 5 6 One Way to Add Integers Is With a Number Line 4 + 1 = 5 + +

  24. -6 -5 -4 -3 -2 -1 0 1 2 3 4 5 6 One Way to Add Integers Is With a Number Line 3 + 2 = 5 + +

  25. -6 -5 -4 -3 -2 -1 0 1 2 3 4 5 6 One Way to Add Integers Is With a Number Line 1 + 5 = 6 + +

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