--- title: Number sense review: tens, ones and how many more — a lesson of Mova's school · trees and pragmatics description: «Number sense review: tens, ones and how many more», a lesson of the lessons course of Mova's primary school, sentence by sentence with dependency trees and pragmatics. It begins: First find each amount: bags of 10 count as tens, loose ones as ones. --- [Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/school/lessons/70-number-sense-review/) [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/) / Number sense review: tens, ones and ho… # Number sense review: tens, ones and how many more Lesson 70 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/70-number-sense-review/0/) — First find each amount: bags of 10 count as tens, loose ones as ones. - [1](https://md.mova.elamur.ai/free/en/corpora/school/lessons/70-number-sense-review/1/) — Then compare: the one with fewer needs the difference to have as many. - [2](https://md.mova.elamur.ai/free/en/corpora/school/lessons/70-number-sense-review/2/) — Anna has 4 bags of 10 and 3 loose shells, so 43; Ben has 28. - [3](https://md.mova.elamur.ai/free/en/corpora/school/lessons/70-number-sense-review/3/) — Ben needs 43 - 28 = 15 more. - ← previous: [Places in a line](https://md.mova.elamur.ai/free/en/corpora/school/lessons/69-places-in-a-line/) - next →: [Some more join in: how many now](https://md.mova.elamur.ai/free/en/corpora/school/lessons/71-join-result-unknown/) - ↑ back to [Lessons](https://md.mova.elamur.ai/free/en/corpora/school/lessons/)