Adding & Subtracting Rational Numbers HW Find the sum or difference. Make sure each expression has a common denominator. Simplify your final answer. 1) − ! !" − ! !" 2) −2 ! !" + 1 ! !" 3) ! ! − ! ! 4) ! ! + (− ! ! ) 5) ! ! − ! ! + ! ! 6) − ! ! − ! ! 7) − ! ! + ! !" 8) 10 ! ! − −6 ! ! 9) −5 ! ! + 7 ! !" 10) ! ! + ! ! − − ! ! Write an expression that represents the real-life scenario. Solve and answer in one complete sentence. 11) Tara began swimming 3 ! ! feet below sea level. Then she swam 2 ! ! feet above. What is Tara’s final swim level? 12) In 1995, Louise the phyton was 10 ! ! feet long. In 2005, Louise was 7 ! ! feet long. What number represents the total amount that Louise shrunk from 1995 to 2005? Adding & Subtracting Rational Numbers HW Find the sum or difference. Make sure each expression has a common denominator. Simplify your final answer. 1) − ! !" − ! !" 2) −2 ! !" + 1 ! !" 3) ! ! − ! ! 4) ! ! + (− ! ! ) 5) ! ! − ! ! + ! ! 6) − ! ! − ! ! 7) − ! ! + ! !" 8) 10 ! ! − −6 ! ! 9) −5 ! ! + 7 ! !" 10) ! ! + ! ! − − ! ! Write an expression that represents the real-life scenario. Solve and answer in one complete sentence. 11) Tara began swimming 3 ! ! feet below sea level. Then she swam 2 ! ! feet above. What is Tara’s final swim level? 12) In 1995, Louise the phyton was 10 ! ! feet long. In 2005, Louise was 7 ! ! feet long. What number represents the total amount that Louise shrunk from 1995 to 2005? Adding & Subtracting Rational Numbers HW Find the sum or difference. Make sure each expression has a common denominator. Simplify your final answer. 1) − ! !" − ! !" 2) −2 ! !" + 1 ! !" 3) ! ! − ! ! 4) ! ! + (− ! ! ) 5) ! ! − ! ! + ! ! 6) − ! ! − ! ! 7) − ! ! + ! !" 8) 10 ! ! − −6 ! ! 9) −5 ! ! + 7 ! !" 10) ! ! + ! ! − − ! ! Write an expression that represents the real-life scenario. Solve and answer in one complete sentence. 11) Tara began swimming 3 ! ! feet below sea level. Then she swam 2 ! ! feet above. What is Tara’s final swim level? 12) In 1995, Louise the phyton was 10 ! ! feet long. In 2005, Louise was 7 ! ! feet long. What number represents the total amount that Louise shrunk from 1995 to 2005? Adding & Subtracting Rational Numbers HW Find the sum or difference. Make sure each expression has a common denominator. Simplify your final answer. 1) − ! !" − ! !" 2) −2 ! !" + 1 ! !" 3) ! ! − ! ! 4) ! ! + (− ! ! ) 5) ! ! − ! ! + ! ! 6) − ! ! − ! ! 7) − ! ! + ! !" 8) 10 ! ! − −6 ! ! 9) −5 ! ! + 7 ! !" 10) ! ! + ! ! − − ! ! Write an expression that represents the real-life scenario. Solve and answer in one complete sentence. 11) Tara began swimming 3 ! ! feet below sea level. Then she swam 2 ! ! feet above. What is Tara’s final swim level? 12) In 1995, Louise the phyton was 10 ! ! feet long. In 2005, Louise was 7 ! ! feet long. What number represents the total amount that Louise shrunk from 1995 to 2005? Adding & Subtracting Rational Numbers HW Find the sum or difference. Make sure each expression has a common denominator. Simplify your final answer. 1) − ! !" − ! !" 2) −2 ! !" + 1 ! !" 3) ! ! − ! ! 4) ! ! + (− ! ! ) 5) ! ! − ! ! + ! ! 6) − ! ! − ! ! 7) − ! ! + ! !" 8) 10 ! ! − −6 ! ! 9) −5 ! ! + 7 ! !" 10) ! ! + ! ! − − ! ! Write an expression that represents the real-life scenario. Solve and answer in one complete sentence. 11) Tara began swimming 3 ! ! feet below sea level. Then she swam 2 ! ! feet above. What is Tara’s final swim level? 12) In 1995, Louise the phyton was 10 ! ! feet long. In 2005, Louise was 7 ! ! feet long. What number represents the total amount that Louise shrunk from 1995 to 2005?