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Grade 1 Overview
The unit design was created in line with the areas of focus for first grade mathematics as identified by the Common Core State Standards. Each unit is comprised of standards that are considered major content along with supporting content.
Unit 1 begins with two benchmarked standards “Add and subtract within 20 (fluently within 10)” [1.OA.6] -- repeated in units 4 and 5 – and “Count to 120” [1.NBT.2]. In unit 2, students are introduced to word problems and symbols for unknowns in equations – another benchmarked standard [1.OA.1]. Students see addition and subtraction as counting (adding two is the same as “counting on” two) and solve simple arithmetic problems involving the place value concept, properties of the operations, making 10s, and decomposing. Place value with “tens and ones” and “multiples of tens” begins in unit 3 and extends into unit 2 as measurement. Geometric shapes and their attributes are treated in unit 5.