Worksheets › Class 7 › Abstract Thinking: Transformations and Views
Class 7 · Computational Thinking and AI worksheetAbstract Thinking: Transformations and Views
CBSE Computational Thinking and AI. Combined turns and flips, compass turns, clock angles, turning numbered shapes, painted cubes, counting squares and rectangles. Every sheet has 20 questions in three sections and an answer key, and the questions change every time.
Sample questions
Real questions from this chapter, as the app sets them. Tap Answer to see the answer and working.
Section A · multiple choice
- 1.
A turn of 270° clockwise is the same as a turn of:
- 180°
- 270° anticlockwise
- 90° clockwise
- 90° anticlockwise
Answer
(d) 90° anticlockwise
- 2.
A child faces East and turns 270° clockwise, then 270° clockwise, then 270° clockwise, then 90° anticlockwise. Which way is the child facing now?
- South
- West
- North
- East
Answer
(d) East
net turn = 0° clockwise from East
- 3.
An arrow points up. You turn it 90° clockwise, then turn it 180°, then flip it left to right (mirror image), then turn it 180°. Which way does it point now?
- up
- left
- right
- down
Answer
(b) left
follow each change in order and track the arrow's direction
Section B · short answer
- 4.
What is a compound transformation? Give an example.
Answer
Two or more changes done one after another, e.g. turn 90° clockwise, then flip left to right.
- 5.
An arrow points up. You turn it 90° anticlockwise, then flip it top to bottom (water image), then flip it top to bottom (water image), then flip it left to right (mirror image). Which way does it point now?
Answer
right
follow each change in order and track the arrow's direction
Section C · long answer
- 6.
A cube is painted and cut into 216 small cubes (6 along each edge). Find the number with (a) 3 (b) 2 (c) 1 (d) 0 painted faces, and check that they add up to 216.
Answer
(a) 8 (b) 12 × 4 = 48 (c) 6 × 16 = 96 (d) 4 × 4 × 4 = 64. 8 + 48 + 96 + 64 = 216.
Fresh sheets for your child
In the app, every Abstract Thinking: Transformations and Views sheet is new: the app remembers the questions your child has already had and leaves them out. Print the sheet as a PDF, or use notebook mode and write the answers in a notebook.
Coming soon for Android and iPhone.