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Learning task 3: Addition of Integers.Answer the following expressions by show your solution through illustrating of number line.Write your answer in your notebook
1.6+4
2.-7+(-2)
3.3+(-7)
4.-8+2
5.-1+(-9) ​


Sagot :

Answer:

1) 10

2) -9

3) -4

4) -6

5) -10

Explanation:

  • 6 and 4 are positive integers. When added together, it must also result in a positive integer. So, 6 + 4 = 10.
  • -7 and -2 are negative integers. When added together, it must also result in a negative integer. So -7 + -2 = -9
  • 3 and -7 is positive and negative. Adding negative to a positive integer will result the positive decreasing down. So 3 + -7 = 4.
  • -8 and 2 is negative and positive. Adding a positive to a negative integer will result the negative increasing up. So -8 + 2 = -6.
  • -1 and -9 are negative integers. When added together, it must also result in a negative integer. So -1 and -9 = -10.