1) 8-7+1-2 a) 0 b) b) 2 c) c)-1 d) d) All answers are correct 2) 77-77+80-8 a) 72 b) 27 c) -70 3) 7-8 a) 1 b) -1 4) 22+6-8-5=-15 a) True b) False 5) 6582 + 4293 - 3156 = ? a) 7719 b) 7197 6) Asmaa read 352 pages of a book. The next day, he read 417 more pages. Then he decided to remove 189 pages because he didn't need them. How many pages did he keep? a) 580 b) 850

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