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HW 8.04 – ADDITION & SUBTRACTION WITH INTEGERS If you have a subtraction problem, please rewrite it as an addition problem 1. 30 +(−33) = ___________ 2. 35−(−5) = (rewrite) 3 + 8 = ___________ 3. (−26)−(−39) = (rewrite) ______________________= ___________ 4. (−29) +(−45) = ___________ 5. 30 – 38 = (rewrite) ______________________ = ___________ Now you decide when to rewrite! 6. 34 +(−37) = _____________________________________________________ 7. (−25) +(−32) = _____________________________________________________ 8. (−33)−(−34) = _____________________________________________________ 9. (−37)− 30 = _____________________________________________________ 10. 28−(−89) = _____________________________________________________ 11. (−23) + 36 = _____________________________________________________
-3
-11
-75
EXTENSION 12. 32−(−22) = _____________________________________________________ 13. (56)−42 = _____________________________________________________ 14. (−200) + 42 = ____________________________________________________ 15. (−48)−(−91) = ____________________________________________________ 16. 56−(−78)−42= ____________________________________________________ CHALLENGE: In each number square, the rows, columns, and diagonals have the same sum. Complete each number square. 3 −8 1 −3 −7 −5 0 −1 −2 −4 Sum = _______ Sum = _______ −4 −3 2 3 −5 −2 0 −2 −3 −1 Sum = _______ Sum = _______
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Sagot :
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