Sequences of Moves

Several transformations, one journey.

10 problems · about 19 minutes · 8.G.A.2

NameDate

Figure — use these to answer the problems

Reflect the shape. Lengths and angles survive; the orientation does not.

Not used by a reflection0

Figure 1

From earlier lessons. Loosen up before the new work.

3 problems

From “What a Transformation Does to Coordinates”
(6, −2) translated 3 left. What is the new x?
Answer
From “Congruence”
Congruent shapes, one side is 15. The matching side?
Answer
From “Moving a Shape Without Changing It”
(2, 9) reflected across the vertical axis. New first coordinate?
Answer

Straightforward practice. Get the method working first.

3 problems

The same ideas with more to keep track of.

2 problems

Are two figures congruent if a sequence of rigid motions maps one to the other? 1 for yes, 0 for no.
Answer
Rotated 90° then 90° again. Total turn in degrees?
Answer

Mixed problems. Work out what kind of question it is before you start.

2 problems

Two Moves
A shape is translated 3 right, then 4 right. How far right in total?
Answer
Two Reflections
A shape is reflected across the same line twice. How many units from its start?
Answer