© 2007 1 -2010 tutorco.com 1. Add the following : a) 8, -10 b) –1, 7 c) –3, 3 d) –2, -1, -3 e) 5, -3, -4 Topic: Integers© 2007 2 -2010 tutorco.com f) –6 + (-8) g) –25 + 40 h) 42 + (-68) i) –535 + 132 + 794 2. Fill the blanks : a) 9 + _______ = -2 b) –5 + ______ = 0 c) -8 + _______ = -15 © 2007 3 -2010 tutorco.com 3. Subtract : a) 15 from –31 b) –13 from 20 c) 0 from 52 d) –62 from 0 4. Simplify: a) 100 + 781 + (-1000) b) (-331) + -(-237) – (-115)
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