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Multiplying a vector by a scalar changes its size but never its direction — a small rule that unlocks a lot of vector geometry. This scalar multiplication of vectors lesson, built as a 14-slide interactive lesson, gives KS4 students focused practice on this exact rule.
Students multiply vectors by positive and negative scalars, and use scalar multiples to identify parallel vectors, with instant self-marking feedback throughout.
This resource covers the KS4 National Curriculum area of vectors, multiplying a vector by a scalar and understanding the effect on its magnitude and direction.
Scalar multiplication of vectors is exactly how video game engines scale a character’s movement or force, and how engineers scale a force vector up or down while keeping its direction fixed — the same rule at work in two very different fields.
| Year Groups | Year 10–11 |
|---|---|
| Resource Type | 🎓 Interactive Lesson & Activities |
| Format | Digital Only |
| Curriculum | England & Wales — KS4 (Years 10–11) |
| Added | 4 March 2026 |
Membership unlocks this resource plus every lesson, worksheet and activity — all subjects, all year groups, all in one place.
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