Ep:34-All Things Abacus

**Subtraction on the Abacus** - Demonstration of subtraction problems (76 minus 29, 67 minus 29) - Explanation of handling numbers using place value system - Comparison between using physical blocks and the Abacus **Multiplication Concepts and Teaching Methods** - Teaching multiplication using visual representations and repeated addition - Understanding place value and distributive property - Using the Abacus for multiplication problems - Creating educational materials including practice pages and videos - Games for learning multiplication facts (bingo, tic-tac-toe, card games) - Teaching the 2 times table and 3 times table with dinosaur-themed materials - Multiplying factors and significant figures **Word Problems and Applications** - Solving word problems involving subtraction and multiplication - Visual representation through drawing - Understanding grouping concepts (e.g., candy in bags) - Number flexibility and different ways to group items **Division Introduction** - Preview of division teaching strategies - Breaking down problems into smaller steps - Using "or less" vocabulary consistently - Importance of mastering multiplication facts before division - Using visual aids like number lines and equations **Math Combinations and Conceptual Learning** - Understanding number partners and fact families - Practicing minus operations - Switching numbers to understand relationships The session also included discussions about calendars for teaching time concepts and number search activities.