3rd Grade Math TEKS Standards

compose and decompose numbers up to 100,000 as a sum of so many ten thousands, thousands, hundreds, tens, and ones.

represent fractions greater than zero and less than or equal to one with denominators of 2, 3, 4, 6, and 8 using concrete objects and pictorial models, including strip diagrams and number lines.

determine the corresponding fraction greater than zero and less than or equal to one by counting unit fractions.

solve with fluency one-step and two-step problems involving addition and subtraction within 1,000 using strategies based on place value, properties of operations, and the relationship between addition and subtraction.

determine the total number of objects when equally sized groups of objects are combined or arranged in arrays up to 10 by 10.

represent multiplication facts by using a variety of approaches such as repeated addition, equal-sized groups, arrays, area models, and equal jumps on a number line.

represent one- and two-step problems involving addition and subtraction of whole numbers using pictorial models, number lines, and equations.

classify and sort two- and three-dimensional figures, including cones, cylinders, spheres, triangular and rectangular prisms, and cubes based on attributes.

determine the area of rectangles with whole number side lengths in problems using multiplication related to the number of rows times the number of unit squares in each row.

determine the perimeter of a polygon or a missing length when given perimeter and remaining side lengths in problems.

summarize a data set with multiple categories using a frequency table, dot plot, pictograph, or bar graph with scaled intervals.

explain the connection between human capital/labor and income.