Extra Set
Grade 8 · Unit 1 · L1 · Version A · A1E8
Rigid transformations and their properties
Name ________________
Date ________________
Period ________________
- 1.
A reflection maps a figure over the y-axis. Are corresponding angles congruent?
- 2.
A reflection maps a figure over the y-axis. Are corresponding angles congruent?
- 3.
Which transformations are rigid: translation, reflection, rotation, dilation?
- 4.
A translation slides a triangle 4 units right. What happens to side lengths and angle measures?
- 5.
Which transformations are rigid: translation, reflection, rotation, dilation? Write a complete answer — Priya will compare with a partner.
- 6.
Which transformations are rigid: translation, reflection, rotation, dilation? Write a complete answer — Mei will compare with a partner.
- 7.
Which transformations are rigid: translation, reflection, rotation, dilation? Write a complete answer — Nora will compare with a partner.
- 8.
Which transformations are rigid: translation, reflection, rotation, dilation? Write a complete answer — Sam will compare with a partner.
- 9.
Which transformations are rigid: translation, reflection, rotation, dilation? Write a complete answer — Grace will compare with a partner.
- 10.
A translation slides a triangle 4 units right. What happens to side lengths and angle measures? Write a complete answer — Grace will compare with a partner.
- 11.Think
Mei tried this problem:
A reflection maps a figure over the y-axis. Are corresponding angles congruent?
Mei wrote no. That is not correct. What is the right answer? - 12.Think
Mei tried this problem:
A translation slides a triangle 4 units right. What happens to side lengths and angle measures?
Mei wrote They stay the same (congruent image). (check this). That is not correct. What is the right answer?
Original extra practice. Keys are computed from the items, not guessed.