CCSS Math Pacing Guide Grade 1 Level: 1st Standard with code: 1.OA.1. Use addition and subtraction within 20 to solve word problems involving situations of adding to, taking from, putting together, taking apart, and comparing, with unknowns in all positions, e.g., by using objects, drawings, and equations with a symbol for the unknown number to represent the problem.2 2 See Common Core State Standards Glossary, Table 1. Domain: Operations and Algebraic Thinking Cluster: Represent and problems involving addition and subtraction. Quarter 1: Quarter 2: Quarter 3: Quarter 4: Use a symbol for an unknown number in an Use a symbol for an unknown number in addition or subtraction problem an addition or subtraction problem within 20 within 20 Solve word problems using addition and Solve word problems using addition and subtraction within 20 subtraction within 20 Interprets situations to solve word problems Interprets situations to solve word with unknowns in all positions within 20 using problems with unknowns in all positions addition and subtraction within 20 using addition and subtraction Determines appropriate representations for Determines appropriate representations for solving word problems involving different solving word problems involving different situations using addition and subtraction situations using addition and subtraction Make sense of Reason abstractly and Construct viable Model with Use appropriate Attend to Look for and Look for and problems and quantitatively. arguments and mathematics. tools strategically. precision. make use of express regularity persevere in solving critique the reasoning structure. in repeated them. of others. reasoning.
CCSS Math Pacing Guide Grade 1 Level: 1st Standard with code: 1.OA.1. Use addition and subtraction within 20 to solve word problems involving situations of adding to, taking from, putting together, taking apart, and comparing, with unknowns in all positions, e.g., by using objects, drawings, and equations with a symbol for the unknown number to represent the problem.2 2 See Common Core State Standards Glossary, Table 1. Domain: Operations and Algebraic Thinking Cluster: Represent and problems involving addition and subtraction. Quarter 1: Quarter 2: Use a symbol for an unknown number in an addition or subtraction problem within 20 Solve word problems using addition and subtraction within 20 Interprets situations to solve word problems with unknowns in all positions within 20 using addition and subtraction Determines appropriate representations for solving word problems involving different situations using addition and subtraction Quarter 3: Use a symbol for an unknown number in an addition or subtraction problem within 20 Solve word problems using addition and subtraction within 20 Interprets situations to solve word problems with unknowns in all positions within 20 using addition and subtraction Determines appropriate representations for solving word problems involving different situations using addition and subtraction Quarter 4: Make sense of problems and persevere in solving them. Reason abstractly and quantitatively. Construct viable arguments and critique the reasoning of others. Model with mathematics. Use appropriate tools strategically. Attend to precision. Look for and make use of structure. Look for and express regularity in repeated reasoning.