Operations and Algebraic Thinking OA.D.8. Determine the OA.D.8. Determine the unknown whole unknown whole number number in an addition in an addition or or subtraction equation subtraction equation relating to three whole relating to three whole numbers. numbers. For example, For example, determine the unknown determine the unknown number that makes the number that makes the equation true in each of equation true in each of the equations the equations 8 + ? =11, 8 + ? =11, Students 5 = ___ 3, 6 + 6 = ___. 5 = ___ 3, 6 + 6 = ___. – – 22 22 Assignment Date 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. 21. 22. 23. 24. 25.
Operations and Algebraic Thinking Students OA.D.8. Determine the unknown whole number in an addition or subtraction equation relating to three whole numbers. For example, determine the unknown number that makes the equation true in each of the equations 8 + ? =11, 5 = ___ – 3, 6 + 6 = ___. 22 OA.D.8. Determine the unknown whole number in an addition or subtraction equation relating to three whole numbers. For example, determine the unknown number that makes the equation true in each of the equations 8 + ? =11, 5 = ___ – 3, 6 + 6 = ___. 22 Assignment Date 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. 21. 22. 23. 24. 25.
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