Three-Digit Addition and Subtraction

ESMERALDA·

Math

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At a Glance

Grade Level2nd Grade

SubjectMath

Original Prompt

intro to this The following is a summary of a document named 57bfb69b-994e-44a1-89cf-ae54adee2f59%2Fuser_uploads%2FhII5JiterWlX_WGZWl1zK?alt=media&token=49ff5123-42d7-4d9f-b4d0-9fa71ce7a7f0: The document outlines the proficiency expectations for second-grade students in addition and subtraction, organized according to specific performance levels: ADV Advance, PR Proficient, NP Nearing Proficient, BG Beginning Step, and NE No Evidence. Students at the **ADV Advance** level are expected to cr...

This resource focuses on teaching students how to add and subtract 3-digit numbers using place value concepts. It introduces key vocabulary related to place value such as 'decompose' and 'recompose', and emphasizes the use of base ten blocks for visualizing the operations. The document includes guided practice problems that require students to draw place value blocks and solve equations using the concepts of regrouping for both addition and subtraction. Detailed examples are provided to demonstrate the step-by-step process of handling addition and subtraction with regrouping. This includes visual aids like place value drawings and a hundred chart for reference. Success criteria are outlined to help students understand the goals of mastering addition and subtraction within 1,000.