2nd Grade Math TEKS Standards

use concrete and pictorial models to compose and decompose numbers up to 1,200 as a sum of so many thousands, hundreds, tens, and ones.

recall basic facts to add and subtract within 20 with automaticity.

add up to four two-digit numbers and subtract two-digit numbers using mental strategies and algorithms based on knowledge of place value and properties of operations.

determine the value of a collection of coins up to one dollar.

determine whether a number up to 40 is even or odd using pairings of objects to represent the number.

create two-dimensional shapes based on given attributes, including number of sides and vertices.

measure the length of objects using concrete models for standard units of length including rulers.

describe the inverse relationship between the size of the unit and the number of units needed to equal the length of an object.

explain that the length of a bar in a bar graph or the number of pictures in a pictograph represents the number of data points for a given category.

explain that different types of currency have different values.