Símbolos e Operações da Matemática: Adição e Subtração

Section role: supports the 'Relatório do Delegado' section while the teacher explains mathematical symbols using visual aids and interactive gestures. Slides: (1) Title — 'Relatório do Delegado: Os Sinais Matemáticos'; (2) Recap — bullets: reviewing hats and guitars from the detective challenge; (3) Somar (+) — bullets: the plus sign, meaning juntar, example with guitars; (4) Subtrair (-) — bullets: the minus sign, meaning tirar, example with hats; (5) Igual (=) — bullets: the equals sign, representing the result; (6) Motor skills — bullets: prompt for Carlos to trace the symbols with his finger on the screen; (7) Vocabulary — bullets: more, less, equal in bold colors; (8) Closing slide — 'Prontos para registrar nossa primeira ocorrência?' — hands control back to the teacher for the final worksheet section.

Lara da Teachy