The Kumon Math Boosters series is designed to help children who either need to improve their basic math skills, or who are slightly ahead of the curve. Math Boosters: Problem Solving with Ratios & Pro… [more below]
- Author: Kumon Publishing
- Binding: Paperback
- Page Count: 144
- Publish Date: May 19 2022
- ISBN10: 194108298X
- Language: English