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Grade 3 Overview

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Unit 1 starts the year with the culminating addition/subtraction standard [3.NBT.2] for students requiring them to add and subtract within 1000; this standard has a benchmark expectation in the first unit and is repeated in unit 5 to assess for full proficiency.  Initial work with multiplication and division also begin in unit 1.

In unit 2, student work with properties of operations including the Distributive Property and the relationship between multiplication and division.  Unit 2 also has a benchmark for the standard 3.OA.7 regarding fluently multiplying and dividing within 100, which is repeated in units 3, 4, and 5.  Unit 3 has problems involving all four operations with applications to time intervals, estimation of liquid volumes, unit fractions, and part-whole models. 

In units 4 and 5, students work with equivalent fractions at the same point on the number line.  The abstract numeral 1/2 is used for “half” and more than one numeral represents the same number, e.g., 1/2 & 2/4.  Units 4 and 5 also have graphs and arithmetic models based on word problems with areas and perimeters.  Fractions and decimals are compared.  Geometric figures are categorized and unit squares are used to measure areas of plane figures.

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