Vidaara.orgClass 8 · Mathematics
CodeVID-M08-14-TRR-01
Translation, Reflection & Rotation - Assignment
Name: ____________________
Roll No.: __________
Date: ____________
General Instructions
- All questions are compulsory.
- Section A carries 1 mark each, Section B 2 marks, Section C 3 marks and Section D 5 marks.
- Show all working for Sections B, C and D. Only final answers are given at the end — for full solutions, raise your doubts with your teacher.
Section A — Multiple Choice Questions
5 × 1 = 5 marks
1.
A figure that slides undergoes a:
- A.reflection
- B.translation
- C.rotation
- D.enlargement
2.
A mirror image is produced by a:
- A.translation
- B.reflection
- C.rotation
- D.scaling
3.
Turning about a point is a:
- A.translation
- B.reflection
- C.rotation
- D.enlargement
4.
These transformations preserve:
- A.only size
- B.only shape
- C.size and shape
- D.neither
5.
The image is ___ the original.
- A.larger than
- B.smaller than
- C.congruent to
- D.unrelated to
Section B — Short Answer (2 marks)
4 × 2 = 8 marks
6.
Which transformation slides a shape?
7.
Which transformation gives a mirror image?
8.
Which transformation turns a shape?
9.
Do these transformations change the size?
Section C — Short Answer (3 marks)
4 × 3 = 12 marks
10.
Reflect the point $(3,2)$ in the $x$-axis.
11.
Reflect the point $(3,2)$ in the $y$-axis.
12.
Translate $(1,1)$ by $3$ right and $2$ up.
13.
After a rotation, is the image congruent to the original?
Section D — Long Answer (5 marks)
2 × 5 = 10 marks
14.
$A(2,3)$ is reflected in the $x$-axis to $A'$, then $A'$ is reflected in the $y$-axis to $A''$. Find $A'$ and $A''$.
15.
Translate the triangle with vertices $(0,0),(2,0),(0,3)$ by $4$ units right and $1$ unit up. Give the new vertices.
Answer Key
Section A — Multiple Choice Questions
- (B) translation
- (B) reflection
- (C) rotation
- (C) size and shape
- (C) congruent to
Section B — Short Answer (2 marks)
- Translation.
- Reflection.
- Rotation.
- No.
Section C — Short Answer (3 marks)
- $(3,-2)$.
- $(-3,2)$.
- $(4,3)$.
- Yes.
Section D — Long Answer (5 marks)
- $A'(2,-3)$, $A''(-2,-3)$.
- $(4,1),(6,1),(4,4)$.
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