About this document
Number Families: 30 to 40 by Nubia Perez Vides is a document available to read on EtoBox.
This document provides information about numbers 30-49 and 50-59, as well as addition and subtraction symbols. It includes the spelling of each number in the thirties and forties families, mathematic symbols for plus and minus, examples of addition and subtraction equations, and homework assignments to write out the fifties family and do additional addition and subtraction problems.
- Author
- Nubia Perez Vides
- Language
- EN