First Grade Common Core Math - Determine If Equations Involving Addition & Subtraction Are True Or False 1.OA.7 Practice provides two ways for students to practice and show mastery of their ability to determine if equations involving addition and subtraction are true or false.
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.7 Work with addition and subtraction equations.
7. Understand the meaning of the equal sign, and determine if equations involving addition and subtraction are true or false. For example, which of the following equations are true and which are false? 6 = 6, 7 = 8 – 1, 5 + 2 = 2 + 5, 4 + 1 = 5 + 2.