1st Grade Math (Florida) 1st 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 1st Grade: Number Sense and Operations (1.NSO) 1st Grade: Fractions (1.F) 1st Grade: Algebraic Reasoning (1.AR) 1st Grade: Measurement (1.M) 1st Grade: Geometric Reasoning (1.GR) 1st Grade: Data Analysis and Probability (1.DP)