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Mastering Addition: Finding the Sum of Two Numbers for 2nd Graders

In this interactive math resource, 2nd graders will learn how to find the sum of two numbers through engaging examples and practical exercises. The content includes foundational rules for addition, such as summing numbers in columns, complete with step-by-step instructions. Four quizzes provide post-instructional assessments, allowing students to practice and reinforce their understanding of addition. With critical thinking challenges, students can expand their skills while having fun learning the basics of addition.

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Mastering Addition: Finding the Sum of Two Numbers for 2nd Graders

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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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