**These collections** use the pyramid shape as “concept illustrators” and convey that there is more to Number and ‘numbers’ than the conventional Number Line:

- “Digital Numbers” – the new concept changing from ‘
*decimal*notation‘ to ‘*digital*composition‘;

- “Last Digit Series” – the Decimal Pyramid reveals
**Odd**and**Even**characteristics;

- “SINGLE Last Digit Patterns” – the fascinating difference and uniqueness of the Odd Digits 1 3 5 7 9;

- “COMPOSITE Last Digit Patterns” – graphical patterns of combinations of digits 1 3 5 7 9;

- “Digital Prime Diagonals” – where do these Diagonals come from? What do they tell us?

NEXT: 2. “Digital TABLES”

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