1.3A model and create addition 1.3A use concrete and pictorial 2.3C select addition or 2.4C one-step and multi-step and subtraction problem models to determine the sum of a subtraction to problems word problems involving addition situations with concrete objects multiple of ten and a one-digit using two-digit numbers, whether and subtraction within 1,000 and write corresponding number number in problems up to 99 or not regrouping is necessary using a variety of strategies sentences based on place value, including algorithms 1.3A model and create addition 1.3B use objects and pictorial NONE and subtraction problem models to word problems situations with concrete objects involving joining, separating, and and write corresponding number comparing sets within 20 and sentences unknowns as any one of the terms in the problem such as 2+4=___; 3+___=7; and 5 = __-3 1.3B use concrete and pictorial 1.3C compose 10 with two or NONE models to apply basic addition more addends with and without and subtraction facts (up to 9 + 9 concrete objects = 18 and 18 9 = 9) – 1.3 The student applies mathematical process standards to develop Instructional Considerations and use strategies for whole number addition and subtraction computations in order to solve problems. The student is expected to: Current TEKS New 1st TEKS Current TEKS New 2nd grade TEKS 2013-14 2014-15
1.3A model and create addition and subtraction problem situations with concrete objects and write corresponding number sentences 1.3A use concrete and pictorial models to determine the sum of a multiple of ten and a one-digit number in problems up to 99 2.3C select addition or subtraction to problems using two-digit numbers, whether or not regrouping is necessary 2.4C one-step and multi-step word problems involving addition and subtraction within 1,000 using a variety of strategies based on place value, including algorithms 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 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 NONE 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 NONE 1.3 The student applies mathematical process standards to develop and use strategies for whole number addition and subtraction computations in order to solve problems. The student is expected to: Instructional Considerations Current TEKS New 1st TEKS 2013-14 2014-15 Current TEKS New 2nd grade TEKS