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title: The score that makes the average — a lesson of Mova's school · trees and pragmatics
description: «The score that makes the average», a lesson of the lessons course of Mova's primary school, sentence by sentence with dependency trees and pragmatics. It begins: An average of 80 over 4 tests means the 4 marks add up to 4 × 80 = 320.
---

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# The score that makes the average

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Lesson 168 of the lessons course of Mova's primary school: 3 sentences, each with its syntax tree and pragmatics. The lessons are written for Mova, and their agreed trees are part of Mova corpus 0.4 (CC BY-SA 4.0).

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- [0](https://md.mova.elamur.ai/free/en/corpora/school/lessons/168-the-missing-score/0/) — An average of 80 over 4 tests means the 4 marks add up to 4 × 80 = 320.
- [1](https://md.mova.elamur.ai/free/en/corpora/school/lessons/168-the-missing-score/1/) — If the first three marks add up to 228, the fourth must be 320 − 228 = 92.
- [2](https://md.mova.elamur.ai/free/en/corpora/school/lessons/168-the-missing-score/2/) — If you know the average of the first three instead, their total is 3 times that average.

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- ← previous: [Chickens and rabbits in disguise: wheels, tickets, boats](https://md.mova.elamur.ai/free/en/corpora/school/lessons/167-heads-and-legs-in-disguise/)
- next →: [Working alone first, then together](https://md.mova.elamur.ai/free/en/corpora/school/lessons/169-a-team-joins-later/)
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