Printable · GCSE Foundation · ages 14-16
Vector arithmetic and vector proof worksheet — GCSE Foundation
Fifteen questions on "vector arithmetic and vector proof" — DfE statement G25. Print it, or print three versions so neighbours cannot copy by letter; the key gives the letter for each version.
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Vector arithmetic and vector proof worksheet — GCSE Foundation
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- 1.A bead starts at position (2, −1) on a grid, in centimetres. It is moved by the column vector u, with top number 3 and bottom number 5, and then moved by the column vector v, with top number −7 and bottom number 2. Work out the coordinates of the bead's final position.
Answer key
- (d) (−2, 6) — Method: add the top numbers of both vectors to the starting x-coordinate, and the bottom numbers of both vectors to the starting y-coordinate. Working: x-coordinate 2 + 3 + (−7) = −2; y-coordinate −1 + 5 + 2 = 6. Answer: (−2, 6). A candidate who only applies vector u and forgets v gets (5, 4). A candidate who only applies vector v and forgets u gets (−5, 1). A candidate who works out the combined vector u + v but forgets to add it to the starting point gets (−4, 7).
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