The Usborne Playtime series features fun act ivities combined with opportunities for learning and practis ing essential pre-school skills. I Can Add Up develops the s kill of ''counting on'' which leads to an understanding of add ition and subtraction. '
- ISBN10 0746033397
- ISBN13 9780746033395
- Publish Date 30 October 1998 (first published 30 September 1998)
- Publish Status Out of Print
- Out of Print 5 October 2004
- Publish Country GB
- Imprint Usborne Publishing Ltd
- Format Hardcover
- Pages 32
- Language English