Cargando…
Math basics made easy: teach yourself how to add, subtract, multiply and divide
There's an unspoken weak spot in our society … most adults can't do basic math. . A recent U.S. Department of Education study found that American adults are largely unable to calculate tips, understand their mortgage payments, or even figure out their weekly salary when told their hourly...
| Autores principales: | , |
|---|---|
| Lenguaje: | eng |
| Publicado: |
Singing Turtle Press
2012
|
| Materias: | |
| Acceso en línea: | http://cds.cern.ch/record/1614105 |