# Why Johnny Can't Add

> 1973 book by Morris Kline

**Wikidata**: [Q23307216](https://www.wikidata.org/wiki/Q23307216)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Why_Johnny_Can't_Add)  
**Source**: https://4ort.xyz/entity/why-johnny-can-t-add