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Evaluate each expression using the addition rules we have developed

 
 

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1.Think about it Rewrite each expression as an addition expression. -22 – (-34) ...

2. 24 – 15 – (-31) -22+34 24+15+-31 Partner Practice: Rewrite each expression as an addition expression. Subtraction Expression Addition Expression 23 - 43 23+(-43) 19 - 68 19+(-68) -14 - 43 -14+(-43) -1 - 8 -1+(-8) 45 - (-14) 45+14 -23 - (-65) -23+65 Evaluate Expression: -23 - 15 -23+(-15) -38 12 - 33 12+(-33) -21 14 – 23 + (-9) 14+-23+(-9) -9+(-9) Melanie has $65 in her account. She spends $12 on a book and $40 on a bag. Her sister asks her “are you going to have enough money to contribute $15 towards mom’s birthday gift?” Melanie replies- “no problem!” Understand: Plan: Estimate/Predict: Solve: Answer: Melanie _________________ have enough money to contribute to her mom’s birthday gift. Think About it Evaluate each expression using the addition rules we have developed. 6 + (-10) -4 -11 + 19 8 -6 + (- 7) -13 -26 Independent Practice: Evaluate Expression: -33 – (-44) 11 27 – 48 27+(-48) -16 – 22 -16+(-22) Which equations below are not true statements? Select all that apply. Explain your selection. 71 – (-19) = 90 71 – 19 = 52 -71 – 19 = -52 -71 + 19 = -52 -71 – (-19) = -90 A submarine is at a depth of 12 meters below sea level. The submarine then descends 79 meters. What is the depth of the submarine now? (*descends means moving down) Jennah was evaluating the expression -7 – 83 +14. Here is her work: -7 + 83 + 14 75 + 14 89 Do you agree or disagree with her answer? Explain your answer using complete sentences. The Titans and the Broncos played football last week. The table below shows each team’s first five plays of the game. Play Titans Broncos 1 Loss of 15 yards Gain of 25 yards 2 Gain of 24 yards Gain of 19 yards 3 Loss of 12 yards Loss of 11 yards 4 Gain of 38 yards Loss of 17 yards 5 Loss of 21 yards Loss of 14 yards I) Which team had gained more yards after the fifth play? II) How many more yards did they gain?
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2.Think About it Evaluate each expression using the addition rules we have developed. 6 + (-10) -4 -11 + 19 8 ...

-4 -11 + 19 8 -6 + (- 7) -13 -26 Rewrite each expression as an addition expression. -22 – (-34) 2. 24 – 15 – (-31) -22+34 24+15+-31 Partner Practice: Rewrite each expression as an addition expression. Subtraction Expression Addition Expression 23 - 43 23+(-43) 19 - 68 19+(-68) -14 - 43 -14+(-43) -1 - 8 -1+(-8) 45 - (-14) 45+14 -23 - (-65) -23+65 Evaluate Expression: -23 - 15 -23+(-15) -38 12 - 33 12+(-33) -21 14 – 23 + (-9) 14+-23+(-9) -9+(-9) Melanie has $65 in her account. She spends $12 on a book and $40 on a bag. Her sister asks her “are you going to have enough money to contribute $15 towards mom’s birthday gift?” Melanie replies- “no problem!” Understand: Plan: Estimate/Predict: Solve: Answer: Melanie _________________ have enough money to contribute to her mom’s birthday gift. Independent Practice: Evaluate Expression: -33 – (-44) 11 27 – 48 27+(-48) -16 – 22 -16+(-22) Which equations below are not true statements? Select all that apply. Explain your selection. 71 – (-19) = 90 71 – 19 = 52 -71 – 19 = -52 -71 + 19 = -52 -71 – (-19) = -90 A submarine is at a depth of 12 meters below sea level. The submarine then descends 79 meters. What is the depth of the submarine now? (*descends means moving down) Jennah was evaluating the expression -7 – 83 +14. Here is her work: -7 + 83 + 14 75 + 14 89 Do you agree or disagree with her answer? Explain your answer using complete sentences. The Titans and the Broncos played football last week. The table below shows each team’s first five plays of the game. Play Titans Broncos 1 Loss of 15 yards Gain of 25 yards 2 Gain of 24 yards Gain of 19 yards 3 Loss of 12 yards Loss of 11 yards 4 Gain of 38 yards Loss of 17 yards 5 Loss of 21 yards Loss of 14 yards I) Which team had gained more yards after the fifth play? II) How many more yards did they gain?
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3.Think About it Evaluate each expression using the addition rules we have developed. 6 + (-10) -10-10 -11 + 19 -8 ...

-10-10 -11 + 19 -8 -6 + (- 7) -13 Rewrite each expression as an addition expression. -22 – (-34) 2. 24 – 15 – (-31) -22+34 24+15+-31 Partner Practice: Rewrite each expression as an addition expression. Subtraction Expression Addition Expression 23 - 43 23+(-43) 19 - 68 19+(-68) -14 - 43 -14+(-43) -1 - 8 -1+(-8) 45 - (-14) 45+14 -23 - (-65) -23+65 Evaluate Expression: -23 - 15 -23+(-15) -38 12 - 33 12+(-33) -21 14 – 23 + (-9) 14+-23+(-9) -9+(-9) Melanie has $65 in her account. She spends $12 on a book and $40 on a bag. Her sister asks her “are you going to have enough money to contribute $15 towards mom’s birthday gift?” Melanie replies- “no problem!” Understand: Plan: Estimate/Predict: Solve: Answer: Melanie _________________ have enough money to contribute to her mom’s birthday gift. Independent Practice: Evaluate Expression: -33 – (-44) -33+44 27 – 48 27+(-48) -16 – 22 -16+(-22) Which equations below are not true statements? Select all that apply. Explain your selection. 71 – (-19) = 90 71 – 19 = 52 -71 – 19 = -52 -71 + 19 = -52 -71 – (-19) = -90 A submarine is at a depth of 12 meters below sea level. The submarine then descends 79 meters. What is the depth of the submarine now? (*descends means moving down) Jennah was evaluating the expression -7 – 83 +14. Here is her work: -7 + 83 + 14 75 + 14 89 Do you agree or disagree with her answer? Explain your answer using complete sentences. The Titans and the Broncos played football last week. The table below shows each team’s first five plays of the game. Play Titans Broncos 1 Loss of 15 yards Gain of 25 yards 2 Gain of 24 yards Gain of 19 yards 3 Loss of 12 yards Loss of 11 yards 4 Gain of 38 yards Loss of 17 yards 5 Loss of 21 yards Loss of 14 yards I) Which team had gained more yards after the fifth play? II) How many more yards did they gain?
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4.Evaluate each expression using the addition rules we have developed. 6 + (-10) -10-10 -11 + 19 -8 -6 + (- 7) -13 ...

-8 -6 + (- 7) -13 Make tweaks, leave comments, and share with others to edit at the same time. NO THANKSUSE THE APP Austin Cassista - Reteach Lesson 7 & 8 Think About it Evaluate each expression using the addition rules we have developed. 6 + (-10) -10-10 -11 + 19 -8 -6 + (- 7) -13 Rewrite each expression as an addition expression. -22 – (-34) 2. 24 – 15 – (-31) -22+34 24+15+-31 Partner Practice: Rewrite each expression as an addition expression. Subtraction Expression Addition Expression 23 - 43 23+(-43) 19 - 68 19+(-68) -14 - 43 -14+(-43) -1 - 8 -1+(-8) 45 - (-14) 45+14 -23 - (-65) -23+65 Evaluate Expression: -23 - 15 -23+(-15) -38 12 - 33 12+(-33) -21 14 – 23 + (-9) 14+-23+(-9) -9+(-9) Melanie has $65 in her account. She spends $12 on a book and $40 on a bag. Her sister asks her “are you going to have enough money to contribute $15 towards mom’s birthday gift?” Melanie replies- “no problem!” Understand: Plan: Answer: Melanie _________________ have enough money to contribute to her mom’s birthday gift. Independent Practice: Evaluate Expression: -33 – (-44) -33+44 27 – 48 27+(-48) -16 – 22 -16+(-22) Which equations below are not true statements? Select all that apply. Explain your selection. 71 – (-19) = 90 71 – 19 = 52 -71 – 19 = -52 -71 + 19 = -52 -71 – (-19) = -90 A submarine is at a depth of 12 meters below sea level. The submarine then descends 79 meters. What is the depth of the submarine now? (*descends means moving down) Jennah was evaluating the expression -7 – 83 +14. Here is her work: -7 + 83 + 14 75 + 14 89 Do you agree or disagree with her answer? Explain your answer using complete sentences. The Titans and the Broncos played football last week. The table below shows each team’s first five plays of the game. Play Titans Broncos 1 Loss of 15 yards Gain of 25 yards 2 Gain of 24 yards Gain of 19 yards 3 Loss of 12 yards Loss of 11 yards 4 Gain of 38 yards Loss of 17 yards 5 Loss of 21 yards Loss of 14 yards I) Which team had gained more yards after the fifth play? How many more yards did they gain?
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1.AU MAT 120 Systems of Linear Equations and Inequalities Discussion

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