Decoding numbers to 1000: concepts and comparison rules

Section role: supports the 'Decoding the Number Secret' section while the teacher formalizes student findings from the inventory challenge. Slides: (1) Title — 'Decoding the Number Secret'; (2) Houses of Numbers — bullets: introduction to Hundreds, Tens, and Units with high-contrast visual blocks; (3) The Alligator Rule — bullets: explanation of less than (<), greater than (>), and equal to (=) using the alligator mouth analogy; (4) Tricky Hundreds — bullets: visual breakdown of numbers like 500 (quinientos) and 700 (setecientos); (5) Breaking Down 999 — bullets: step-by-step analysis connecting place value to the maximum three-digit number; (6) Closing slide — 'Which number is bigger and why?' — sets up the individual inventory check section that follows.

Lara de Teachy