+ =

Note: Use it abundantly until you have mastered the skill

Remember the followings rules as you practice:

When the numbers have the same sign, always add and keep these in mind

Positive + Positive = Positive

Negative + Negative = Negative

The sign for Positive + Negative or Negative + Positive depends on which number is bigger.

Always subtract and keep the sign of the higher number! For example,

- 8 + 5 = -3 but

-5 + 8 = 3

Practice makes perfect and enjoy the calculator!

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Learn how to find the multiplicity of a zero with this easy to follow lesson

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