Adding and Subtracting Rational Numbers (Grade 7)

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Adding and Subtracting Rational Numbers

1. 
Solve.

[math]-8+10=[/math]
  1. -2
  2. 2
  3. 18
  4. -18
2. 
[math]-17 - -15 =[/math]
  1. -32
  2. 32
  3. -2
  4. 2
3. 
What is the value of [math]-4.85-(-6.32)[/math]?
  1. [math]-11.17[/math]
  2. [math]-1.47[/math]
  3. [math]1.47[/math]
  4. [math]11.17[/math]
4. 
Which problem has an answer that is different from the others?
  1. 6 + (-3)
  2. -3 + ( 3)
  3. -3 + ( 6)
  4. 7 + (-4)
5. 
What number should be placed in the square to make the equation true?

[math]3 1/2 - 4 1/4 = 3 1/2 + square[/math]
  1. [math]-4 1/4[/math]
  2. [math]4 1/4[/math]
  3. [math]- 3/4[/math]
  4. [math]3/4[/math]
6. 
What number should be placed in the square to make the equation true?

[math]5.32 - square = 5.32 + (-7.89)[/math]
  1. 2.57
  2. -2.57
  3. -7.89
  4. 7.89
7. 
Graph on a number line and solve.

(-4) + 8 =
Number Line



8. 
Solve using rules of addition. Show your steps.

35 + (-17) + (-29) =



9. 
Subtract:

[math]- 3/8 - (- 1/2)[/math]



10. 
[math](-2 1/3)-(-3 1/2) =[/math]



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