1.PS.1 c, d, e, f, g

Description

This resource focuses on enhancing students' mastery of addition and subtraction within 20 through engaging activities and problem-solving. It introduces part-part-whole relationships using ten-frame and bead rack models to visualize the 'make a ten' strategy. The material includes both guided and independent problem sets that challenge students to apply their understanding of decomposition and inverse relationships in various contexts, such as word problems and critical thinking puzzles. Additionally, enrichment challenges encourage deeper exploration of number bonds and logic through puzzles, making learning interactive and stimulating. Error analysis sections prompt students to identify and correct mistakes in mathematical reasoning. Overall, the document aims to equip students with effective strategies for approaching addition and subtraction problems, fostering a solid mathematical foundation.