---
title: The missing number in a story — a lesson of Mova's school · trees and pragmatics
description: «The missing number in a story», a lesson of the lessons course of Mova's primary school, sentence by sentence with dependency trees and pragmatics. It begins: Sometimes a story hides one number: what there was at first, or how many were added or taken.
---

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# The missing number in a story

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Lesson 125 of the lessons course of Mova's primary school: 4 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/125-the-missing-number/0/) — Sometimes a story hides one number: what there was at first, or how many were added or taken.
- [1](https://md.mova.elamur.ai/free/en/corpora/school/lessons/125-the-missing-number/1/) — The whole and one part are known.
- [2](https://md.mova.elamur.ai/free/en/corpora/school/lessons/125-the-missing-number/2/) — The missing part is the whole minus the known part.
- [3](https://md.mova.elamur.ai/free/en/corpora/school/lessons/125-the-missing-number/3/) — Some apples and 5 more make 12: □ + 5 = 12, so □ = 12 − 5 = 7.

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