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Compare and order integers Objective Compare and order integers Example 2-2b

The middle number in an ordered data set Review Vocabulary Median The middle number in an ordered data set Example 2-2b

Math Symbols < is less than > Is greater than Example 2-2b

Example 1 Compare Integers Example 2 Order Integers Lesson 2 Contents

Replace the  with < or > to make –9  –5 a true sentence. Write the problem using a circle for the comparison - 9 - 5 We know that 9 is larger than 5 but when they are negative the inverse is true We can see this on a number line Plot - 9 Answer: –9 < –5 Plot - 5 1/2 Example 2-1a

Replace the  with < or > to make –3  –6 a true sentence. Answer: –3 > –6 1/2 Example 2-1b

Record Low Temperature (°F) MULTIPLE-CHOICE TEST ITEM The lowest temperatures in Europe, Greenland, Oceania, and Antarctica are listed in the table. Order the temperatures from least to greatest. A –67, –87, 14, –129 B 14, –67, –87, –129 C –129, –87, –67, 14 D –67, –87, –129, 14 –129 Antarctica 14 Oceania –87 Greenland –67 Europe Record Low Temperature (°F) Continent 2/2 Example 2-2a

Record Low Temperature (°F) –129 Antarctica 14 Oceania –87 Greenland –67 Europe Record Low Temperature (°F) Continent Begin with the negative numbers Remember: The bigger a number looks, the smaller it is when it is negative Negative 129 is the smallest number Negative 87 is the next smaller number -129, -87, -129, -87, -67, -129, Negative 67 is the next smaller number 2/2 Example 2-2a

Record Low Temperature (°F) –129 Antarctica 14 Oceania –87 Greenland –67 Europe Record Low Temperature (°F) Continent 14 is the only number remaining that has not been used Choose the appropriate answer A –67, –87, 14, –129 B 14, –67, –87, –129 C –129, –87, –67, 14 D –67, –87, –129, 14 -129, -87, -67, 14 -129, -87, -67, -129, -87, -129, Answer: C 2/2 Example 2-2a

* MULTIPLE-CHOICE TEST ITEM The lowest temperatures on a given day in four cities in the United States are listed in the table. Order the temperatures from least to greatest. –3 Newport, RI 7 Denver, CO –6 New York City, NY –12 Portland, OR Low Temperature City A –3, –6, 7, –12 B –12, –6, –3, 7 C –12, 7, –6, –3 D 7, –3, –6, –12 Answer: B 2/2 Example 2-2b

Comparing and Ordering Integers Assignment Lesson 3:2 Comparing and Ordering Integers 11 - 32 All End of Lesson 2