Integer review
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Integer review

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Integer review Document Transcript

  • 1. Name ______________________________ Date _____________________Mrs. Labuski & Mrs. Rooney Per _____ Integers Review Adding integers on a number line: Move right on a number line to add a positive integer. Move left on a number line to add a negative integer  If the signs are the same, add the digits and keep the sign.  If the signs are different: find the difference, take the sign of the larger digit.Find each sum.1. 4 +(-1) = _______ 4. 2 + (-1) = ______ 7. 0 + (-6) = ______2. -5 + (-3) = ______ 5. -4 + (-1) = ______ 8. -7 + 3 = _______3. -10 + 11= ______ 6. -6 + 8= _______ 9. -3 + (-2) = _ Subtracting integers on a number line: Move left on a number line to subtract a positive integer. Move right on a number line to subtract a negative integer. ________________, ________________, ________________  If the signs are the same, add the digits and keep the sign.  If the signs are different: find the difference, take the sign of the larger digit. Find each difference.10. -7 - (-2) = ______ 13. 5 - 6 = _______ 16. 4 - (-1) = _______11. 6 - (-8) = _______ 14. -4 - (-6) = ______ 17. -9 - (-9) = ______12. -2 - 7= _______ 15. -2 - 0= _______ 18. -4 - (-3)= _____
  • 2. Rules: If the signs are the same, the product is positive If the signs are different, the product is negative Find each product19. 3 • (-4) = ______ 22. -8 • (-4) = ______ 25. 9 • (-3) = ______20. -7 • 1 = _______ 23. -3 • (10) = _____ 26. -9 • (-4) = ______21. 3 • (-2) = ______ 24. -7 • (-5) = ______ 27. 7 • 0= _______ Rules: If the signs are the same, the quotient is positive If the signs are different, the quotient is negativeFind each quotient.28. -12 ÷ 2= _______ 31. -14 ÷ 7= _______ 34. -72 ÷ (-9) = ____29. 18 ÷ 6 = _______ 32. -32 ÷ (-8) = ____ 35. -9 ÷ 3= _______30. -30 ÷ 10= ______ 33. 66 ÷ (-11) = ____ 36. -100 ÷ (-10) = __
  • 3. Name ______________________________ Date _____________________Mrs. Labuski & Mrs. Rooney Per _____ Integers Review Adding integers on a number line: Move right on a number line to add a positive integer. Move left on a number line to add a negative integer  If the signs are the same, add the digits and keep the sign.  If the signs are different: find the difference, take the sign of the larger digit.Find each sum.1. 4 +(-1) = __3____ 4. 2 + (-1) = __1___ 7. 0 + (-6) = _-6_2. -5 + (-3) = __-8__ 5. -4 + (-1) = _-5__ 8. -7 + 3 = __-4____3. -10 + 11= _1___ 6. -6 + 8= __2____ 9. -3 + (-2) = _-5 Subtracting integers on a number line: Move left on a number line to subtract a positive integer. Move right on a number line to subtract a negative integer. _____keep ______, ____ change_____, _____ change_____  If the signs are the same, add the digits and keep the sign.  If the signs are different: find the difference, take the sign of the larger digit. Find each difference.10.-7 - (-2) = ______ 13.5 - 6 = _______ 16.4 - (-1) = _______ -7 +(+2) = -5__ 5 + (-6) = -1 4 + (+1) = 511.6 - (-8) = _______ 14.-4 - (-6) = ______ 17.-9 - (-9) = ______ 6 + (+8) = 14 -4 + (+6) = 2 -9 + (+9) = 012.-2 - 7= _______ 15.-2 - 0= _______ 18.-4 - (-3)= _____ -2 + (-7)= -9 -2 + 0= -2 -4 + (+3)= -1
  • 4. Rules: If the signs are the same, the product is positive If the signs are different, the product is negative Find each product19. 3 • (-4) = _-12___ 22. -8 • (-4) = _32__ 25. 9 • (-3) = _-27__20. -7 • 1 = __-7____ 23. -3 • (10) = _-30__ 26. -9 • (-4) = _36_21. 3 • (-2) = _-6____ 24. -7 • (-5) = _35___ 27. 7 • 0= __0___ Rules: If the signs are the same, the quotient is positive If the signs are different, the quotient is negativeFind each quotient.28. -12 ÷ 2= __-6___ 31. -14 ÷ 7= __-2___ 34. -72 ÷ (-9) = _8_29. 18 ÷ 6 = __3____ 32. -32 ÷ (-8) = _4__ 35. -9 ÷ 3= __-3___30. -30 ÷ 10= _-3__ 33. 66 ÷ (-11) = _-6_ 36. -100 ÷ (-10) = 10