Decoding the Fraction Secret: Walkthrough

Section role: supports the formalization of fraction notation right after the sandwich challenge and sets up the upcoming detective mission. Slides: (1) Title — 'Decoding the Fraction Secret'; (2) Pizza Hook Review — bullets: three friends sharing one pizza, recalling the word partition; (3) The Unit Fraction — bullets: defining 1/4 as the size of one single part from our sandwich strips; (4) Building Fractions — bullets: how 1/4 + 1/4 + 1/4 equals 3/4; (5) Numerator vs Denominator — bullets: denominator as the bottom total parts, numerator as the top chosen parts, with labels; (6) Size Comparison — visual comparison of 1/2 and 1/4 addressing the misconception that four is bigger than two; (7) Closing Slide — 'How do we write the fraction for 2 parts out of 5?' — handing control back to the teacher to guide the transition to the detective mission.

Lara from Teachy