Additional resources for further exploration
In the first chapter of The Classroom Mini-Economy: Integrating Economics into the Elementary and Middle School Curriculum, its authors note that, generally, a limited amount of economics training is provided in teacher education. To remedy this situation, Chapter 2 of The Classroom Mini-Economy offers a crash course in economics for the classroom teacher. Click the link below for a general overview of economics in Chapter 2 and in-depth information on how setting up classroom mini-economies is a way to combine teaching economics with instruction in mathematics, art, music, and language arts.
http://www.unm.edu/~jbrink/365/Documents/ClassroomEconomyBooklet.pdf
The Jump$tart Coalition for Personal Financial Literacy, a partnership of about 150 national organizations and entities from corporate, non-profit, academic, government, and other sectors, has developed National Standards in K-12 Personal Finance Education With Benchmarks, Knowledge Statements, and Glossary. This publication delineates the personal finance knowledge and skills K-12 students should have. Click for range of content for benchmark Grade 4 at the link below.
https://www.jumpstart.org/wp-content/uploads/2018/01/2017_NationalStandardsBook.pdf
The Vocabulary page of the Finance in the Classroom web site goes from 401-K to A-Advertising to W-Will, covering a wide range of financial terms in between.