1) A hiker stands at an elevation of 89 1/5 meters below sea-level, his brother stands at an elevation of 48 5/6 meters above sea level. What is the distance between the two brothers? WHICH NUMBER SENTENCE REPRESENTS THIS SITUATION? a) -89 1/5 + 48 5/6 b) -89 1/5 - 48 5/6 c) 48 5/6 - (-89 1/5) 2) A hiker stands at an elevation of 89 1/5 meters below sea-level, his brother stands at an elevation of 48 5/6 meters above sea level. What is the distance between the two brothers? EVALUATE THE NUMBER SENTENCE TO SOLVE. a) -40 11/30 meters b) 138 1/30 meters c) -138 1/30 meters 3) At least 15% of the ocean is covered by sea ice at some part of the year. Ocean water freezes just like freshwater, but at lower temperatures because of the salt. Sea water freezes at about 28.4 degrees Fahrenheit. If the temperature is 39 degrees Fahrenheit, how much must the temperature decrease by in order for sea water to freeze. WHICH NUMBER SENTENCE REPRESENTS THIS SITUATION? a) 28.4 + 39 b) 28.4 - 39  c) 39 - 28.4 4) At least 15% of the ocean is covered by sea ice at some part of the year. Ocean water freezes just like freshwater, but at lower temperatures because of the salt. Sea water freezes at about 28.4 degrees Fahrenheit. If the temperature is 39 degrees Fahrenheit, how much must the temperature decrease by in order for sea water to freeze. EVALUATE THE NUMBER SENTENCE TO SOLVE. a) -10.6 degrees b) 10.6 degrees c) 67.4 degrees d) -67.4 degrees 5) The lowest recorded temperature in Georgia was -17 4/5 degrees in1940. In 1983, the highest recorded temperature in Georgia was 86 7/8 degrees warmer then the lowest temperature. What is the warmest temperature in Georgia? WHICH NUMBER SENTENCE REPRESENTS THIS SITUATION?  a) -17 4/5 - 86 7/8 b) 86 7/8 - (-17 4/5) c) -17 4/5 + 86 7/8 6) The lowest recorded temperature in Georgia was -17 4/5 degrees in1940. In 1983, the highest recorded temperature in Georgia was 86 7/8 degrees warmer then the lowest temperature. What is the warmest temperature in Georgia? EVALUATE THE NUMBER SENTENCE TO SOLVE. a) 69 3/40 b) -69 3/40 c) 104 27/40 7) The deepest known point of the ocean on earth is approximately 6 5/6 miles below sea level. The highest summit of a mountain on earth is approximately 5 1/2 miles above sea level. What is the approximate distance between the highest and lowest point on earth? WHICH NUMBER SENTENCE REPRESENTS THIS SITUATION?  a) 5 1/2 - (-6 5/6) b) -6 5/6 + 5 1/2 c) -6 5/6 - 5 1/2 8) The deepest known point of the ocean on earth is approximately 6 5/6 miles below sea level. The highest summit of a mountain on earth is approximately 5 1/2 miles above sea level. What is the approximate distance between the highest and lowest point on earth? EVALUATE THE NUMBER SENTENCE TO SOLVE. a) -12 1/3 miles b) 12 1/3 miles c) 1 1/3 miles 9) The coldest recorded temperature in North America was -81 2/5 °F in Canada’s Yukon Territory on February 3, 1947. The coldest recorded temperature in Europe was -58 1/10 in Russia on December 31,1978. How much colder was North America’s coldest temperature than Europe’s coldest temperature? WHICH NUMBER SENTENCE REPRESENTS THIS SITUATION? a) -58 1/10 - (-81 2/5) b) -81 2/5 - (-58 1/10) c) -81 2/5 + (-58 1/10) 10) The coldest recorded temperature in North America was -81 2/5 °F in Canada’s Yukon Territory on February 3, 1947. The coldest recorded temperature in Europe was -58 1/10 in Russia on December 31,1978. How much colder was North America’s coldest temperature than Europe’s coldest temperature? EVALUATE THE NUMBER SENTENCE TO SOLVE.  a) -139 1/2 b) 23 3/10 c) -23 3/10

Rational Number Word Problems

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