A textbook that clearly explains how to calculate fractions and improper fractions. - Title: How to Teach Calculations to 6th Graders - Author: Kyoko Yasunami - Content: Explains how to calculate fractions and improper fractions - Illustrations: Explanations with illustrations - Key Points: Easy-to-understand key point explanations The cover is missing. The inside is almost unread, so it's very clean. Thank you for looking.