CCSS Math Pacing Grade 1 Grade Level: 1st Standard with code: 1.OA.4 Understand subtraction as an unknown-addend problem. For example, subtract 10 8 by finding the number that makes 10 when added to 8. – Domain: Operations and Algebraic Thinking Cluster: Understand and properties of operations and the relationship between addition and subtraction. Quarter 1: Quarter 2: Quarter 3: Quarter 4: Identify the unknown in a subtraction problem Identify the unknown in a subtraction problem Solve subtraction problems to find the missing addend. Solve subtraction problems to find the missing addend. Explain the relationship of addition and subtraction. Explain the relationship of addition and subtraction. Make sense of Reason abstractly and Construct viable Model with Use appropriate Attend to Look for and make Look for and problems and quantitatively. arguments and mathematics. tools strategically. precision. use of structure. express persevere in critique the reasoning regularity solving them. of others. in repeated reasoning.
CCSS Math Pacing Grade 1 Grade Level: 1st Standard with code: 1.OA.4 Understand subtraction as an unknown-addend problem. For example, subtract 10 – 8 by finding the number that makes 10 when added to 8. Domain: Operations and Algebraic Thinking Cluster: Understand and properties of operations and the relationship between addition and subtraction. Quarter 1: Quarter 2: Identify the unknown in a subtraction problem Solve subtraction problems to find the missing addend. Explain the relationship of addition and subtraction. Quarter 3: Identify the unknown in a subtraction problem Solve subtraction problems to find the missing addend. Explain the relationship of 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.