1. 1-2 Integers and Absolute Value Aim: Aim: How can we find the absolute values of integers and use absolute value to compare integers? CCSS: 6.NS.7.c

2. Warm Up Vocabulary Review: What is an algebraic expression? Evaluate each expression for x = 4. 1. 1. 2x + 3 2. 2. 5(x – 1) 3. 3. 7x – 4x

3. Finding absolute value 1. 1. Find |-6| 2. 2. Find | 7| and |-7|   Numbers that are the same distance from zero on a number line but in opposite direction are opposites.

4. Comparing and ordering integers Which Continent has the lowest recorded temperature? A- Africa C- Antarctica B- Asia D- South America Find the negative integer with greatest absolute value. Lowest Recorded Temperatures Continentsº F Africa-11 Antartica-129 South America-27 Asia-90 Integers: are the set of whole numbers and their opposites. ZERO is its own opposite

5. Absolute value in algebraic expressions Evaluate 1. 1. |2b| - 6 for b = 4 2. 3|s| for s = -5  A number’s distance from zero on the number line is its absolute value.

6. Think, Turn and Talk Vocabulary: How are whole numbers different from integers? Plot each temperature on the number line below. 1. 1. Coventry, Connecticut January 22, 1991: -32ºF 2. 2. Vanderbilt, Michigan February 9, 1934: -51ºF 3. 3. Mt. Mitchell, North Carolina January 21, 1985: -34ºF 4. 4. Smethport, Pennsylvania January 5, 1904: -42ºF -70 -60 -50 -40 -30 -20 -10 0

7. Activity Lab: Data Analysis Group Work Integers and Differences (pg 14) Students use a business graph to visualize positive and negative integers and the change (difference) between them.

8. Exit Ticket Compare, Write, or = 1. 1. |7| |- 8| 2. 2. |-1| |-6| 3. 3. |-5| |5| 4. 4. |-10| -2 5. 5. 14 |14| 6. 6. 9 |-9|