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Integer Practice Problems - Addition


Addition Rules Summary

ADDING TWO ALIKE SIGNS two positive numbers or two negative numbers

1. Add absolute values
2. Attach same sign to the answer

Example:
Adding two positives integers
4 + 5 = 9

Adding two negative integers
(-4) + (-5) = (-9)


ADDING TWO UNLIKE SIGNS
- 6 + 4 = ?

1. Subtract absolute values
2. Use the sign of the number with the larger absolute value
| - 6| = 6 | 4 | = 4
Remember to put the larger number first when subtracting two numbers. -- > 6 - 4 = 2
Six is larger. So, the answer will have a negative sign.
- 6 + 4 = - 2


Addition Review -

Add two positive integers and the answer will be ________________ .

Add two negative integers and the answer will be ____________________.

Add two integers with different signs by ___________________ the __________ values.

Then, the sign of the answer is determined by the integer with the _______________ absolute value.

Practice Problems
1. -23 + 23 =

2. -19 + 29 =

3. 42 + (-62) =

4. 34 46 =

5. -29 + 12 =

6. -57 + (-67) =

7. -88 + (-88) =

8. -30 + 49 =

9. 24 + (-32) =

10. 124 + 453 =

11. - 211 + 49 =

12. 59 + (- 87) + (- 5) =

13. (-4) + (-3) + 2 + (-1) =

14. (-18) + 5 + 23 + ( - 4) =

15. 45 + (-23) + 29 + (- 39) =










Answers -

Addition Review -

Add two positive integers, and the answer will be positive.

Add two negative integers and the answer will be negative.

Add two integers with different signs by subtracting. the absolute values.

Then, the sign of the answer is determined by the integer with the largest absolute value.

Practice Problems (Note The parentheses around a negative number are for clarity; they are not mandatory.)

1. -23 + 23 = 0

2. -19 + 29 = 10

3. 42 + (-62) = -20

4. 34 + 46 = 80

5. -29 + 12 = -17

6. -57 + (-67) = - 124

7. -88 + (-88) = -176

8. -30 + 49 = 19

9. 24 + (-32) = - 8

10. 124 + 453 = 577

11. - 211 + 49 = -162

12. 59 + (- 87) + (- 5) = -33

13. (-4) + (-3) + 2 + (-1) = -6

14. (-18) + 5 + 23 + ( - 4) = 6

15. 45 + (-23) + 29 + (- 39) = 12


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Integers - Adding Integers
Integers - Absolute Value
Integers - Positive and Negative Numbers
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Content copyright © 2013 by Beverly Mackie. All rights reserved.
This content was written by Beverly Mackie. If you wish to use this content in any manner, you need written permission. Contact Beverly Mackie for details.

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