3rd Grade Math (Florida) 3rd Grade Math Want Full Access? Join The Many Satisfied MathTA Users! SIGN UP TODAY OR LOGIN Number Sense and Operations Number Sense and Operations START Fractions Fractions START Algebraic Reasoning Algebraic Reasoning START Measurement Measurement START Geometric Reasoning Geometric Reasoning START Data Analysis and Probability Data Analysis and Probability START Course Content 3rd Grade: Number Sense and Operations (3.NSO) 3rd Grade: Fractions (3.F) 3rd Grade: Algebraic Reasoning (3.AR) 3rd Grade: Measurement (3.M) 3rd Grade: Geometric Reasoning (3.GR) 3rd Grade: Data Analysis and Probability (3.DP)