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Math Facts

Math Facts. Finding the Sum of Two Numbers 2 nd Grade Christina Kilgore April 14, 2010. Menu Page. Finding the Sum (Content) Quiz 1 (Post-Instructional assessment and feedback) Quiz 2 (Post-Instructional assessment and feedback)

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Math Facts

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  1. Math Facts Finding the Sum of Two Numbers 2nd Grade Christina Kilgore April 14, 2010

  2. Menu Page Finding the Sum (Content) Quiz 1 (Post-Instructional assessment and feedback) Quiz 2 (Post-Instructional assessment and feedback) Quiz 3 (Critical Thinking); (Post-Instructional assessment and feedback) The End (Exit) Reference

  3. Finding the Sum • Adding two number together • 3 + 2 = 5 • 6 + 6 = 12 • 5 + 6 = 11 • 3 + 4 = 7 • 9 + 1 = 10 • 8 + 6 = 14

  4. Rule to Finding the Sum Adding in Columns • “When adding numbers in columns, all the “ones” are in the right column and the “10s” to the left.” • “Addition starts in the “ones” column. • If the sum is more then one digit, leave the last digit at the bottom of the column and carry the first digit to the top of the next column.

  5. Finding the Sum in Columns

  6. Finding the Sum 3 + 2 = 5 or 3 + 2 . 5 + = 5 + = 5

  7. Finding the Sum • 6 + 6 = 12 or 6 + 6 . 12 + = 12 + = 12

  8. Quiz 1 • Write the following problems in column form and then add them together. • 5 +9 = • 8 + 7 = • 9 + 2 = • 6 + 9 = • 8 + 8 = • 7 + 7 =

  9. Correct Answers 1 • Check your answers

  10. Incorrect Answers 1

  11. Quiz 2 • Write the following problems in numeric form and find the sum of he two numbers. + + = + + = =

  12. Correct Answer 2

  13. Incorrect Answers 2

  14. Quiz 3 (Critical Thinking) • You will receive full credit for trying your best. • Find the sum. 22 + 11 . ?

  15. Answer Correct 3 22 + 11 . 33

  16. Incorrect Answer 3 22 + 11 . 34

  17. Digital Movie

  18. The End • Thank You

  19. Reference • http://www.ehow.com/facts_5156901_math-rules-addition.html • http://www.graves.k12.ky.us/powerpoints/elementary/

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