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๐ Unlock early math genius with every page!
Addition & Subtraction 1-2 by Joan Hoffman and Barbara Bando, Ph.D. Irvin is a 64-page workbook designed to develop foundational math skills in toddlers aged 1-2. Featuring a variety of themed activity books and proudly made in the USA, itโs a top-rated educational tool with over 15,000 glowing reviews, perfect for parents seeking a trusted, engaging start to their childโs math journey.



| Best Sellers Rank | #6,413 in Books ( See Top 100 in Books ) #68 in Early Childhood Education Materials #792 in Higher & Continuing Education Textbooks |
| Customer reviews | 4.8 4.8 out of 5 stars (16,057) |
| Dimensions | 19.69 x 0.48 x 27.64 cm |
| Edition | Deluxe Workbook |
| Grade level | Preschool - 2 |
| ISBN-10 | 158947323X |
| ISBN-13 | 978-1589473232 |
| Item weight | 590 g |
| Language | English |
| Print length | 64 pages |
| Publication date | 26 June 2019 |
| Publisher | School Zone Pub Co |
| Reading age | 6 - 8 years |
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