Integers Flashcards

0
Q

When you use a number line what way do you go to add

A

Right

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1
Q

What is in the set z

A

Z={…-3,-2,-1,0,1.2.3.4…}

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2
Q

When you use a number line what way do you go to subtract

A

Left

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3
Q

Rules for adding and subtracting

  1. Same signs
  2. Different signs
A
  1. Add and use common sign

2. Subtract and use the sign of the bigger number

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4
Q

Rules for multiplying and dividing

  1. Like signs
  2. Unlike signs
A
  1. Plus

2. Negative

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