1: Grade 1

Grade 1 Data and Probability introduces collecting data for investigative questions, representing data with tally marks and bar graphs, and describing outcomes as impossible, possible, or certain. Spatial Reasoning covers ordering objects by length, measuring with non-standard units, identifying coins, describing shape attributes, composing and decomposing shapes, and using positional vocabulary. Patterns and Relationships anchors counting to 120, place value understanding with tens and ones, addition and subtraction within 20 with fluency within 10, composing tens to bridge decades, equal sharing and halves, comparing two-digit numbers, evaluating equations, finding unknowns, and creating and analyzing repeating and growing patterns.

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