First Grade Common Core Math 1 OA.5 Relate Counting To Addition & Subtraction 1.OA.5 Practice provides two ways for students to practice and show mastery of their ability to relate counting to addition and subtraction.
It includes 40 distinct problems in two sets (129 slides in all!), with and without following answer slides. The PowerPoint file can be used on computers, or Promethean Activboard and Smart boards.
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Standard 1.OA.5 Add and subtract within 20.
5. Relate counting to addition and subtraction (e.g., by counting on 2 to add 2).