** Abacus Articles

• Abacus Co-Editors Greetings / Mary Lou Kestell & Kathy Kubota-Zarivnij
• RESEARCH SUMMARY - Proportional Reasoning (Ratio and Proportion)
• LINKS TO MANIPULATIVES - Dot Patterns
• LET'S DO MATH (Bansho (Board-Writing) Plan) - Coin Boxes
• LET'S DO MATH - Mixtures and Bug Groups
• LINKS TO LITERATURE - Only One by Marc Harshman
• LET'S DO MATH - Butterflies and Butterfly Building
• NEXT STEPS FOR YOUR PROFESSIONAL LEARNING