<p> Formative Instructional and Assessment Tasks</p><p>OA Task 7a Domain Operations and Algebraic Thinking Cluster Understand addition as putting together and adding to, and understand subtraction as taking apart and taking from. Standard(s) K.OA.5 Fluently add and subtract within 5. Materials None Task Say: I’m going to tell you some problems. See if you can solve each one as quickly as you can. Ready? 1. There are 3 pencils in the can. I put 1 more pencil in the can. How many pencils are in the can? 2. There are 2 crayons in the bag. I put 1 more crayon in the bag. How many crayons are in the bag? 3. There was 1 cat in the yard and 3 more cats came. How many cats are in the yard now? 4. There are 2 books on the table. I put 2 more books on the table. How many books are on the table? 5. There were 2 birds in the tree and 1 more came. How many birds are in the tree?</p><p>Continuum of Understanding Developing • Incorrectly answers question. Strategy Used: Understanding • Uses counting on fingers or out loud as a  Counting strategy.  One-more Fact Complete • Correctly answers question quickly (in about 3  Automatic Fact Understanding seconds) without resorting to counting.  Other: Fluently adds: 3 4  1 + 2  3 + 1  2 + 1  1 + 3  2 + 2</p><p>Standards for Mathematical Practice 1. Makes sense and perseveres in solving problems. 2. Reasons abstractly and quantitatively. 3. Constructs viable arguments and critiques the reasoning of others. 4. Models with mathematics. 5. Uses appropriate tools strategically. 6. Attends to precision. 7. Looks for and makes use of structure. 8. Looks for and expresses regularity in repeated reasoning.</p><p>NC DEPARTMENT OF PUBLIC INSTRUCTION KINDERGARTEN</p>