K.1/1.1/2.1 The student uses mathematical processes to acquire and demonstrate mathematical understanding. The student is expected to: Instructional Considerations Current TEKS New Kindergarten TEKS 2013-14 2014-15 Current TEKS New 1st grade TEKS K.14A communicate mathematical ideas using objects, words, pictures, numbers, and technology K.1D/1.1D/2.1D communicate mathematical ideas, reasoning, and their implications using multiple representation, including symbols, diagrams, graphs, and language K.14B/1.12B/2.13B relate informal (every day) language to mathematical language and symbols K.15/1.13/2.14 justify his or her thinking using objects, words, pictures, numbers, and technology K.1E/1.1E/2.1E create and use representations to organize, record and communicate mathematical ideas K.1F/1.1F/2.1F analyze mathematical relationships to connect and communicate mathematical ideas K.15/1.13/2.14 justify his or her thinking using objects, words, pictures, numbers, and technology K.1G/1.1G/2.1G display, explain and justify mathematical ideas and arguments using precise mathematical language in written or oral communications
K.2 The student applies mathematical process standards to understand how to represent and compare whole numbers, the relative position and magnitude of whole numbers, and relationships within the numeration system. The student is expected to: Instructional Considerations Current TEKS New Kindergarten TEKS 2013-14 2014-15 Current TEKS New 1st grade TEKS K.6B count by ones to 100 (Patterns, Relationships, and Algebraic Thinking Strand) K.2A count forward and backward to at least 20 with and without objects NONE 1.5A recite numbers forward and backward from any given number between 1 and 120 K.1B use sets of concrete objects to represent quantities given in verbal or written form (through 20) K.1C use numbers to describe how many objects are in a set (through 20) using verbal and symbolic descriptions K.2B read, write, and represent whole numbers from 0 to at least 20 with and without objects or pictures 1.1D read and write numbers to 99 to describe sets of concrete objects 1.2C use objects, pictures, and expanded and standard forms to represent numbers up to 120 K.2C count a set of objects up to at least 20 and demonstrate that the last number said tells the number of objects in the set regardless of their arrangement or order NONE K.2D recognize instantly the quantity of a small group of objects in organized and random arrangements 1.2A recognize instantly the quantity of structured arrangements
K.3 The student applies mathematical process standards to develop and understanding of addition and subtraction situations in order to solve problems. The student is expected to: Instructional Considerations Current TEKS New Kindergarten TEKS 2013-14 2014-15 Current TEKS New 1st grade TEKS K.4 model and create addition and subtraction problems in real situations with concrete objects K.3A model the action of joining to represent addition and the action of separating to represent subtraction 1.3A model and create addition and subtraction problem situations with concrete objects and write corresponding number sentences 1.3B use objects and pictorial models to solve word problems involving joining, separating, and comparing sets within 20 and unknowns as any one of the terms in the problem such as 2+4=___; 3+___=7; and 5 = ____-3 K.3B solve word problems using objects and drawings to find sums up to 10 and differences within 10 1.3B use concrete and pictorial models to apply basic addition and subtraction facts (up to 9 + 9 = 18 and 18 – 9 = 9) 1.3C compose 10 with two or more addends with and without concrete objects K.3C explain the strategies used to solve problems involving adding and subtracting within 10 using spoken words, concrete and pictorial models, and number sentences 1.3A model and create addition and subtraction problem situations with concrete objects and write corresponding number sentences 1.3E explain strategies used to solve addition and subtraction problems up to 20 using spoken words, objects, pictorial models, and number sentences
K.7 The student applies mathematical process standards to directly compare measureable attributes. The student is expected to: Instructional Considerations Current TEKS New Kindergarten TEKS 2013-14 2014-15 Current TEKS New 1st grade TEKS K.7A give an example of a measurable attribute of a given object, including length, capacity, and weight NONE K.10A compare and order two or three concrete objects according to length (longer/shorter than, or the same) K.10C compare two containers according to capacity (holds more, holds less, or holds the same) K.10D compare two objects according to weight/ mass (heavier than, lighter than, or equal to) K.7B compare two objects with a common measureable attribute to see which object has more of/less of the attribute and describe the difference NONE