--- title: Exam 2: some left over, some missing — a lesson of Mova's school · trees and pragmatics description: «Exam 2: some left over, some missing», a lesson of the lessons course of Mova's primary school, sentence by sentence with dependency trees and pragmatics. It begins: Sharing p each leaves some over; sharing q each leaves some missing. --- [Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/school/lessons/199-too-many-or-too-few/) [home](https://md.mova.elamur.ai/free/en/) / [corpora](https://md.mova.elamur.ai/free/en/corpora/) / [school](https://md.mova.elamur.ai/free/en/corpora/school/) / [Lessons](https://md.mova.elamur.ai/free/en/corpora/school/lessons/) / Exam 2: some left over, some missing # Exam 2: some left over, some missing Lesson 199 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). - [0](https://md.mova.elamur.ai/free/en/corpora/school/lessons/199-too-many-or-too-few/0/) — Sharing p each leaves some over; sharing q each leaves some missing. - [1](https://md.mova.elamur.ai/free/en/corpora/school/lessons/199-too-many-or-too-few/1/) — Going from p to q each, every child needs q - p more. - [2](https://md.mova.elamur.ai/free/en/corpora/school/lessons/199-too-many-or-too-few/2/) — Those extra things are the ones left over plus the ones missing, so the number of children is (left over + missing) ÷ (q - p). - [3](https://md.mova.elamur.ai/free/en/corpora/school/lessons/199-too-many-or-too-few/3/) — Each child gets 3 sweets and 8 are left; to give 5 each, 4 are missing. (8 + 4) ÷ (5 - 3) = 6 children, and 3 × 6 + 8 = 26 sweets. - ← previous: [Exam 1: two exchanges](https://md.mova.elamur.ai/free/en/corpora/school/lessons/198-two-exchanges/) - next →: [Exam 3: heads, and a difference of legs](https://md.mova.elamur.ai/free/en/corpora/school/lessons/200-heads-and-a-difference-of-legs/) - ↑ back to [Lessons](https://md.mova.elamur.ai/free/en/corpora/school/lessons/)