Monster math picnic /
by Grace Maccarone ; math activities by Marilyn Burns ; illustrated by Marge Hartelius.
- New York : Scholastic, 1998.
- 1 v. (unpaged) : col. ill. ; 23 cm.
- Hello math reader. Level 1 .
The number of monsters engaged in various activities at a picnic always adds up to ten. Includes related activities.