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Big Ideas & Topics for Third Grade

  • The big ideas and topics Third Grade are place value, operations of whole numbers, and understanding fractional units.

    In number and operations, students will focus on applying place value, comparing and ordering whole numbers, connecting multiplication and division, and understanding and representing fractions as numbers and equivalent fractions.

    In algebraic reasoning, students will use multiple representations of problem situations, determine missing values in number sentences, and represent real-world relationships using number pairs in a table and verbal descriptions.

    In geometry and measurement, students will identify and classify two-dimensional figures according to common attributes, decompose composite figures formed by rectangles to determine area, determine the perimeter of polygons, solve problems involving time, and measure liquid volume (capacity) or weight.

    In data analysis, students will represent and interpret data.

    For additional information concerning math in Third Grade, please visit tea.texas.gov