Practice 1. Write an integer to represent each situation. a) Ethanol freezes at minus 114°C. b) Tinotenda lost 4 kg. c) Lynne grew 3 cm this year. d) The Sipp family made $245 at their garage sale. 2. Describe a situation that could be represented by each integer. a) -14 b) 37 c) -3700 d) 284 3. Write each explanation. a) If 7 represents 7 floors up, what does minus 3 represent? b) If-400 represents 400 m below sea level, what does 3000 represent? c) If 14 represents 14 steps forward, what does -8 represent? d) If-9 represents 9 points lost, what does 15 represent? Stretch Your Thinking Research to find examples of unusual temperatures, such as boiling and freezing points of various liquids, or temperatures on other planets. Record your findings.