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REF-1915Source onlineBlueprint rev 01

A Classroom Problem Becomes a Playful Math World

An animated math app spot turns a student's classroom frustration into character-led interface demos and a long musical end card.

Maker @duolingoFor duolingoOriginal post ↗
Cut timeline · 17 shots01:02
00:0000:1000:2000:3000:4000:5001:00

Field notes / why it works

An overwhelming classroom is legible immediately, then six cuts in the first 10 seconds reveal a surprising helper and an oversized app menu. From 0:09 to 0:39, large interfaces and character reactions show specific learning actions, while the 17.6-second dancing end card produces the strongest replay peak at 0:45.9–0:46.5.

01

Plate 01 / The format in one breath

A stylized student faces an overwhelming chalkboard, a mischievous mascot interrupts, and the film escapes into a bright product world. Animated interface demonstrations turn abstract benefits into small actions before a simple invitation and an unusually long, dancing brand end card.

Why it works

  • The first 1.45 seconds show an intimidating board before the first cut; the student's frustrated line begins at 1.34 seconds, making the problem legible without a title card.
  • Six cuts in the first 10 seconds take the viewer from classroom confusion to a character surprise and a visible course menu at 0:09.1.
  • The strongest replay peak is 0:45.9–0:46.5, at the first wide dancing end-card reveal; comments also react to the mascot's personality and props.
02

Plate 02 / Format card

Reference
Platform · aspect · lengthYouTube · 16:9 · 640×360 measured · 30 fps · 61.8 s
Pace17 shots, 16 certain cuts; 15.5–17.5 cuts/min allowing two uncertain changes; 19.4 picture changes/min; mean shot 3.63 s, median 2.13 s
Script117 transcribed words; 159 wpm over the full video, about 205 wpm while speaking; 11 short sentences; final speech near 0:45
VoiceAnimated youthful student voice plus short mascot-like interjection (speaker assignment inferred); expressive, high, quick
On screenEntirely stylized character/product animation: classroom, oversized app UI, domestic vignette, sky, end card. No live presenter or screen recording evident.
CaptionsNone; UI labels and final headline carry the readable text
SoundContinuous tonal/music-like bed, roughly 85 BPM in the outro; no clear recurring cut accent; measured −18.9 LUFS, −2.0 dBFS true peak
StructureProblem → mascot interruption → product scope → interactive examples → future help → everyday uses → invitation → 17.6 s music-led end card

Pro / 13 plates + recipe

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  1. Plate 03 / The hook, frame by frame (first 3 seconds)Pro
  2. Plate 04 / Structure (beat sheet)Pro
  3. Plate 05 / Shot grammarPro
  4. Plate 06 / Visual style guidePro
  5. Plate 07 / Voice and deliveryPro
  6. Plate 08 / Sound designPro
  7. Plate 09 / PackagingPro
  8. Plate 10 / Script templatePro
  9. Plate 11 / Production planPro
  10. Plate 12 / PromptsPro
  11. Plate 13 / Edit recipePro
  12. Plate 14 / QA checklistPro
  13. Plate 15 / Make it yoursPro
  14. Recipe / runnable promptPro