Volcano! Natural Disasters (Ready-to-Read Level 1)
As you may have guessed, this series uses Venn Diagrams (think of two slightly overlapping circles) to teach classification and to solve problems. Level A focuses on the classification of objects into sets and subsets while Levels B and C focus on problem solving. Each contains 48 problems with easier problems at the beginning and more difficult ones at the end. ~ Anh
- Simple stories
- Short sentences
- Easy vocabulary
The Ready to Read series was designed to provide good books forearly readers. The levels denote the reading difficulty of the books.