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TechMathI - 1.2

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The document contains math word problems and explanations of concepts like simplifying expressions, finding lengths of line segments, segment addition, using midpoints, and examples for homework. It includes questions about simplifying expressions, finding unknown lengths, using properties of collinear points and midpoints to solve problems, and examples for students to work on for homework.

Education
1 of 9
Bell Ringer ,[object Object],[object Object],[object Object],[object Object],[object Object]
Number Lines What two methods can you think of to solve this? 1. Count the units 2. Take absolute value of difference What is the length of AB?
You try! 2. What is the length of EF? 1. What is the length of CD? 3. What is the length of GH?
Segment Addition ,[object Object],A C B AB = 2 BC = 6 What is AC?
Practice W Y X 1) WX = 8 XY = 5 What is WY? 3) WY = 26 XY = 10 What is WX? 2) WX = 5 WY = 22 What is XY?
You try! D F E 1) DE = 9 EF = 4 What is DF? 2) DF = 18 EF = 10 What is DE?
Midpoint ,[object Object],A B Midpoint = A + B 2 1 29
Examples 1) 2) 3) A B -5 32 C D -19 -4 E F -1 17
Homework ,[object Object]

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TechMathI - 1.2

  • 1.
  • 2. Number Lines What two methods can you think of to solve this? 1. Count the units 2. Take absolute value of difference What is the length of AB?
  • 3. You try! 2. What is the length of EF? 1. What is the length of CD? 3. What is the length of GH?
  • 4.
  • 5. Practice W Y X 1) WX = 8 XY = 5 What is WY? 3) WY = 26 XY = 10 What is WX? 2) WX = 5 WY = 22 What is XY?
  • 6. You try! D F E 1) DE = 9 EF = 4 What is DF? 2) DF = 18 EF = 10 What is DE?
  • 7.
  • 8. Examples 1) 2) 3) A B -5 32 C D -19 -4 E F -1 17
  • 9.