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Walking The Number Line Integer Addition and Subtraction Practice Name________________ Directions for walking the number line: Always begin facing toward the positive numbers. -Begin at 0 and go to the first number given in the problem. -If the second number is positive, walk forward that many spaces. -If the second number is negative, walk backward that many spaces. -For a subtraction problem, begin at 0, go to the first number given and simply turn around before walking forward, if the second number is positive, or backward, if the second number is negative. For each of the following problems, answer the following. a) b) c) d) Is it and addition or a subtraction problem? ( + or – ) Is the second number positive or negative? If the problem is a subtraction problem, write the related addition problem. Walk the number line and give the answer. 1. - 5 + - 3 a) 2. - 6 – 5 a) 3. 9 + (- 2) a) 4. - 7 – (- 3) a) b) b) b) b) c) c) c) c) d) d) d) d) 5. 3 – 7 a) 6. - 8 – 3 a) 7. - 4 + 5 a) 8. 5 + (- 2) a) b) b) b) b) c) c) c) c) d) d) d) d) 9. 9 – 7 a) 10. 1 + 3 a) 11. - 5 – ( - 5) a) 12. - 8 – (- 8) a) b) b) b) b) c) c) c) c) d) d) d) d)