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# Day 13 adding integers number line

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### Day 13 adding integers number line

1. 1. Day 13 Adding Integers Number Line.notebook September 27, 2012 AIM: Adding Integers Do Now 1
2. 2. Day 13 Adding Integers Number Line.notebook September 27, 2012 Anticipatory Set Explaining a Mistake 1.) Below is an example of adding integers a student completed and they provided an explanation. a.) What is the correct answer to the problem? b.) Explain why their explanation is not correct based on yesterday‛s lesson. -10 + 6 = 4 -10 + 6 = -4 EXPLANATION: Since they have different signs, I subtracted and kept the answer positive. negative 2
3. 3. Day 13 Adding Integers Number Line.notebook September 27, 2012 ADDING INTEGERS USING A NUMBER LINE: ­10 ­9 ­8 ­7 ­6 ­5 ­4 ­3 ­2 ­1 0 1 2 3 4 5 6 7 8 9 10 Pairs Check Activity: -9 + 12 8 + (-10) STOP: WAIT FOR THE OTHER PAIR TO FINISH AND DISCUSS. DO NOT CONTINUE UNTIL INSTRUCTED TO!!!!! 3
4. 4. Day 13 Adding Integers Number Line.notebook September 27, 2012 ADDING INTEGERS USING A NUMBER LINE: ­10 ­9 ­8 ­7 ­6 ­5 ­4 ­3 ­2 ­1 0 1 2 3 4 5 6 7 8 9 10 Pairs Check Activity: 7 + (-3) -3 + (-8) STOP: WAIT FOR THE OTHER PAIR TO FINISH AND DISCUSS. DO NOT CONTINUE UNTIL INSTRUCTED TO!!!!! 4
5. 5. Day 13 Adding Integers Number Line.notebook September 27, 2012 Evaluate each expression for a = -15, b = -8, and c = 6. 14 + b ­10 ­9 ­8 ­7 ­6 ­5 ­4 ­3 ­2 ­1 0 1 2 3 4 5 6 7 8 9 10 5
6. 6. Day 13 Adding Integers Number Line.notebook September 27, 2012 Evaluate each expression for a = -15, b = -8, and c = 6. c + (-8) ­10 ­9 ­8 ­7 ­6 ­5 ­4 ­3 ­2 ­1 0 1 2 3 4 5 6 7 8 9 10 6
7. 7. Day 13 Adding Integers Number Line.notebook September 27, 2012 Evaluate each expression for a = -15, b = -8, and c = 6. a+b ­10 ­9 ­8 ­7 ­6 ­5 ­4 ­3 ­2 ­1 0 1 2 3 4 5 6 7 8 9 10 7
8. 8. Day 13 Adding Integers Number Line.notebook September 27, 2012 Evaluate each expression for a = -15, b = -8, and c = 6. c+5+a ­10 ­9 ­8 ­7 ­6 ­5 ­4 ­3 ­2 ­1 0 1 2 3 4 5 6 7 8 9 10 8
9. 9. Day 13 Adding Integers Number Line.notebook September 27, 2012 1.) In Indianapolis, Indiana, the coldest recorded temperature was -23°F. The hottest recorded temperature was 127°F higher. What was the hottest temperature in Indianapolis? 9
10. 10. Day 13 Adding Integers Number Line.notebook September 27, 2012 2.) The Aral Sea and the Caspian Sea are actually lakes. The elevation of the Caspian Sea is 92 feet below sea level. The Aral Sea is 217 feet higher. What is the elevation of the Aral Sea? 10
11. 11. Day 13 Adding Integers Number Line.notebook September 27, 2012 Smart Response Activity 1.) 7 + (-16) 5.) -11 + (-52) 2.) -6 + (-13) 6.) 25 + (-70) 3.) -3 + 10 7.) 25 + 14 4.) -7 + (-81) 8.) -26 + 42 11