Clip deck · Maths · Year 11 · Geometry & MeasuresA set of clips on one strand and year, paired with the card deck for the same topics: watch, then review.
Geometry and measures, Year 11: frustums and trigonometry
22 clipsFree
Sign in to adoptYou'll sign in as a student first, then come straight back here.
Clip 1 of 22The sine rule
Heddy Score2/7, Below the standard
- Trusted source · passed. The creator's own upload, live and playable here.
- On the map · failed. A teacher watched it: it mainly teaches this map topic.
- Spec-true · failed. Accurate, and right for the current UK specification.
- Focused · passed. 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.
Our students
How the Heddy Score worksNot enough students yet
Our own students' answers. These are what move ★7 Proven.The sine ruleTLMaths · on your map: gcse-math-g22a
WatchCircle theorems: tangents and chords1st Class Maths · on your map: gcse-math-g10b
WatchExact trigonometric valuesThe GCSE Maths Tutor · on your map: gcse-math-g21
WatchExact trigonometric valuesThe GCSE Maths Tutor · on your map: gcse-math-g21
WatchVector proofsThe GCSE Maths Tutor · on your map: gcse-math-g25b
WatchNegative scale factorsThe GCSE Maths Tutor · on your map: gcse-math-g7c
WatchComposite solids and frustumsThe GCSE Maths Tutor · on your map: gcse-math-g17d
WatchThe sine ruleThe GCSE Maths Tutor · on your map: gcse-math-g22a
WatchThe cosine ruleThe GCSE Maths Tutor · on your map: gcse-math-g22b
WatchThe sine ruleThe GCSE Maths Tutor · on your map: gcse-math-g22a
WatchThe cosine ruleThe GCSE Maths Tutor · on your map: gcse-math-g22b
WatchVector proofsThe GCSE Maths Tutor · on your map: gcse-math-g25b
WatchTrigonometry: finding anglesThe GCSE Maths Tutor · on your map: mh16
WatchThe cosine ruleCognito · on your map: gcse-math-g22b
WatchArea of any triangleCognito · on your map: gcse-math-g23
WatchExact trigonometric valuesThe GCSE Maths Tutor · on your map: gcse-math-g21
WatchNegative scale factors1st Class Maths · on your map: gcse-math-g7c
WatchPythagoras and trigonometry in 3Dcorbettmaths · on your map: gcse-math-g20d
WatchThe sine rulecorbettmaths · on your map: gcse-math-g22a
WatchVector proofscorbettmaths · on your map: gcse-math-g25b
WatchAdding, subtracting and scaling vectors1st Class Maths · on your map: gcse-math-g25a
WatchVector proofs1st Class Maths · on your map: gcse-math-g25b
Watch