1.OA.4 First Grade Common Core Math Jeopardy Game 1 OA.4 Subtraction As An Unknown-Addend Problem Practice provides two ways for students to practice and show mastery of their ability to understand subtraction as an unknown-addend problem.
Jeopardy board includes 25 distinct problems and utilizes hyperlinks to award/deduct money from your student teams! (79 slides in all!) Board is automatically updated to show which questions have already been utilized. Also includes an Answer Key if you wish to use questions as Quiz/Test. The PowerPoint file can be used on computers, or Promethean and Smart boards.
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Standard 1.OA.4 Understand and apply properties of operations and the relationship between addition and subtraction.
4. Understand subtraction as an unknown-addend problem. For example, subtract 10 – 8 by finding the number that makes 10 when added to 8.