Grade 4 - Progress in Mathematics

(Marvins-Underground-K-12) #1
A slide, or translation, is a movement of a figure
along a line without flipping or turning.

A flip, or reflection, is a movement of a figure
over a line so that the figure faces in the
opposite direction. The line may be imaginary.


  1. Is one of your patterns a translation pattern? Which one?

  2. Is one of your patterns a reflection pattern? Which one?


Copy the figures and movements below onto dot paper.

A. B. C. D.

E. F. G. H.


  1. Which of the movements are translations? Which are reflections?
    You may draw lines to help you decide.

  2. In the figures A and B, what 9. In the figures A–H, are the
    movement would you use to tell figures congruent after each
    whether the figures are congruent? transformation? Explain why or
    why not.

  3. Can you slide a figure in any 11. Can you flip a figure in any
    direction? Explain your answer. direction? Explain your answer.


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