Maths · KS3 Y8 · Ratio & Proportion

Currency conversion

m100Free1:42Heddy Score 1 of 7, below the standard

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What you need to know

  • An exchange rate tells you how much one unit of a currency is worth in another.
  • Multiply to convert one way and divide to convert back.
  • Compare prices by converting them into the same currency.

In this clip

2:32–4:35Error intervalsmh5
7:11–9:00Index laws in algebram76
9:00–10:33Expanding a single bracketm61
10:33–12:02Quadratic expressionsmh1
12:02–13:41Factorising into a bracketm66
15:19–17:36Solving two-step linear equationsm14
17:36–23:13Building equations from problemsm84
23:13–25:50Parallel lines on graphsm79
25:50–28:52Quadratic inequalities and set notationgcse-math-a22c
28:52–29:53Inverse functionsgcse-math-a7c
29:53–32:24Composite functionsgcse-math-a7d
32:24–43:19Trigonometric graphsgcse-math-a12d
43:19–56:46Transforming graphsgcse-math-a13
56:46–59:07Compound interestmh12
59:07–61:35Ratio & proportion problemsm15
61:35–63:17Currency conversionm100
63:17–64:53Direct proportion y = kxm102
64:53–66:15Inverse proportionm103
66:15–70:11Proportion formulaemh13
70:11–72:25Density and pressuregcse-math-r11b
76:05–77:58Enlarging shapesm130
77:58–82:35Negative scale factorsgcse-math-g7c
82:35–86:03Circle theorems: anglesgcse-math-g10a
86:03–88:36Composite solids and frustumsgcse-math-g17d
88:36–93:32The sine rulegcse-math-g22a
93:32–98:09The cosine rulegcse-math-g22b
98:09–99:29Box plotsgcse-math-s4c
99:29–100:36Quartiles & interquartile rangemh20
100:36–102:14Comparing two distributionsm179
103:39–118:48Venn diagrams for probabilitym157
Also coversCalculator fluencym44
Also coversReflecting shapesm120
Also coversTranslating shapesm121
Also coversRotating shapesm129
Heddy Score1/7, Below the standard
  • Trusted source · passed. The creator's own upload, live and playable here.
  • On the map · not judged yet. A teacher watched it: it mainly teaches this map topic.
  • Spec-true · not judged yet. Accurate, and right for the current UK specification.
  • Focused · failed. One idea, short enough to watch in one go.
  • Accessible · not judged yet. Good captions, clear sound and pictures.
  • Safe for children · not judged yet. Right for 11 to 16 year olds, with no sales pitch.
  • Proven · not judged yet. Earned from our students: they learn from it, find it helpful and watch it to the end.
★ passed · ☆ pending · ✕ failed
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Our own students' answers. These are what move ★7 Proven.
How the Heddy Score works

Why we picked it

Topic-by-topic revision built around the June 2023 Higher Paper 2; standard GCSE content for Year 11 Higher students.

The GCSE Maths Tutor on YouTubechecked 2026-10-16