fatimaramayyy
fatimaramayyy fatimaramayyy
  • 13-09-2019
  • Mathematics
contestada

Describe how to find the sums -4+2 and -4+(-2) on a number line.

Respuesta :

sarahwutzler sarahwutzler
  • 13-09-2019

For -4+2, plot -4, then move to the right 2 spaces. You should land on -2.

For -4+(-2), plot -4 then move the left 2 spaces. You should land on -6.

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alanacarucci20p5nrh0
alanacarucci20p5nrh0 alanacarucci20p5nrh0
  • 13-09-2019

Answer: Make a number line. Start at 0. For -4+2 you go back 4 on a number line. Then you add 2. You will end up on -2. For -4+(-2) you start at 0. You go back 4 until you reach -4, then you go back another 2. You should end up on -6.

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