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Lesson Plans and Worksheets for Grade 8

Lesson Plans and Worksheets for all Grades

More Lessons for Grade 8

Common Core For Grade 8

Examples, videos, and solutions to help Grade 8 students how to translate lines.

### New York State Common Core Math Grade 8, Module 2, Lesson 3

Worksheets and solutions for Common Core Grade 8, Module 2, Lesson 3

Student Outcomes

You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.

Lesson Plans and Worksheets for Grade 8

Lesson Plans and Worksheets for all Grades

More Lessons for Grade 8

Common Core For Grade 8

Examples, videos, and solutions to help Grade 8 students how to translate lines.

Student Outcomes

• Students learn that when lines are translated they are either parallel to the given line, or the lines coincide.

• Students learn that translations map parallel lines to parallel lines.

Lesson Summary

Two lines are said to be parallel if they do not intersect.

Translations map parallel lines to parallel lines.

Given a line L and a point P not lying on L, there is at most one line passing through P and parallel to L.

Exercises

1. Draw a line passing through point P that is parallel to line L. Draw a second line passing through point P that is parallel to line L, that is distinct (i.e., different) from the first one. What do you notice?

2. Translate line along the vector AB . What do you notice about L and its image L'?

3. Line L is parallel to vector AB . Translate line L along vector AB. What do you notice about L and its image, L'?

4. Translate line L along vector AB. What do you notice about L and its image, L'?

5. Line L has been translated along vector AB resulting in L'. What do you know about lines L and L'?

6. Translate L_{1} and L_{2} along vector DE. Label the images of the lines. If lines L_{1} and L_{2} are parallel, what do you know about their translated images?

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