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EXPLORATION: A Helpful Observation Xavier and Zion are trying to calculate 7 +3-1. Here is their conversation: Xavier: "I plan to first add 7 and 33, so I will have to start by finding equivalent fractions with a common denominator." Zion: "It would be a lot easier if we could start by working with the 1 and 7. Can we rewrite it like 7 +1- 3 ?" Xavier: "You can't switch the order of numbers in a subtraction problem like you can with addition; 2-3 is not equal to 3- 2." Zion: "That's true, but do you remember what we learned about rewriting subtraction expressions using addition? 2-3 is equal to 2+(-3)." 1. Write an expression that is equivalent to 7 +3 - 1 that uses addition instead of subtraction. 1. If you wrote the terms of your new expression in a different order, would it still be equivalent? Explain your reasoning and be prepared to share your thinking with the class.

EXPLORATION: A Helpful Observation Xavier and Zion are trying to calculate 7 +3-1. Here is their conversation: Xavier: "I plan to first add 7 and 33, so I will have to start by finding equivalent fractions with a common denominator." Zion: "It would be a lot easier if we could start by working with the 1 and 7. Can we rewrite it like 7 +1- 3 ?" Xavier: "You can't switch the order of numbers in a subtraction problem like you can with addition; 2-3 is not equal to 3- 2." Zion: "That's true, but do you remember what we learned about rewriting subtraction expressions using addition? 2-3 is equal to 2+(-3)." 1. Write an expression that is equivalent to 7 +3 - 1 that uses addition instead of subtraction. 1. If you wrote the terms of your new expression in a different order, would it still be equivalent? Explain your reasoning and be prepared to share your thinking with the class.

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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BIUA. 三1 三▼=▼ EX Arial 14 2 .3 C 4 EXPLORATION: A Helpful Observation Xavier and Zion are trying to calculate 7 +32-1. Here is their conversation: Xavier: "I plan to first add 72 and 33, so I will have to start by finding equivalent fractions with a common denominator." Zion: "It would be a lot easier if we could start by working with the 1 and 7. Can we rewrite it like 7 +1- 3 ?" Xavier: "You can't switch the order of numbers in a subtraction problem like you can with addition; 2- 3 is not equal to 3- 2." Zion: "That's true, but do you remember what we learned about rewriting subtraction expressions using addition? 2- 3 is equal to 2+ (- 3)." 1. Write an expression that is equivalent to 7 + 3-1 that uses addition instead of subtraction. 1. If you wrote the terms of your new expression in a different order, would it still be equivalent? Explain your reasoning and be prepared to share your thinking with the class. Get p feat
Transcribed Image Text:BIUA. 三1 三▼=▼ EX Arial 14 2 .3 C 4 EXPLORATION: A Helpful Observation Xavier and Zion are trying to calculate 7 +32-1. Here is their conversation: Xavier: "I plan to first add 72 and 33, so I will have to start by finding equivalent fractions with a common denominator." Zion: "It would be a lot easier if we could start by working with the 1 and 7. Can we rewrite it like 7 +1- 3 ?" Xavier: "You can't switch the order of numbers in a subtraction problem like you can with addition; 2- 3 is not equal to 3- 2." Zion: "That's true, but do you remember what we learned about rewriting subtraction expressions using addition? 2- 3 is equal to 2+ (- 3)." 1. Write an expression that is equivalent to 7 + 3-1 that uses addition instead of subtraction. 1. If you wrote the terms of your new expression in a different order, would it still be equivalent? Explain your reasoning and be prepared to share your thinking with the class. Get p feat
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