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# Add and subtract

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# Add and subtract

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### Add and subtract

1. 1. Addition & Subtraction By: Taylor Highsmith
2. 2. • Subject: Math (Kindergarten) • Title of Lesson: Addition & Subtraction • Objective: To teach student’s to Add and subtract • Procedures: Addition terms, addition example, subtraction terms, subtraction example, picture strategy, picture practice, and the quiz. • Evaluation: The Quiz • Materials: Powerpoint, pencil, and Paper
3. 3. The Purpose of this lesson is to… •Understand Addition •Understand Subtraction •Try a new strategy •PRACTICE addition and subtraction! Content Standards Operations and Algebraic Thinking Understand addition as putting together and adding to, and understand subtraction as taking apart and taking from. 1. Represent addition and subtraction with objects, fingers, mental images, drawings2, sounds (e.g., claps), acting out situations, verbal explanations, expressions, or equations. 2. Solve addition and subtraction word problems, and add and subtract within 10, e.g., by using objects or drawings to represent the problem.
4. 4. Addition Addition occurs when you join two numbers together. These numbers are called addends. 4 + 2 = ? Addends
5. 5. You add the two addends together to get a sum. 4 + 2 = 6 Sum
6. 6. Let’s Try One! 5 + 3 = 8
7. 7. Subtraction Subtraction occurs when you take one number away from another number. 5 - 2 = ?
8. 8. When you subtract the numbers, you end up with the difference. 5 - 2 = 3 Difference
9. 9. Let’s Try One! 8 - 2 = 6
10. 10. A Strategy When adding or subtracting, you can always draw pictures to help you solve the problem. + =
11. 11. Once you draw your picture, count each circle to find your answer. + = 3 2 5
12. 12. A Strategy When adding or subtracting, you can always draw pictures to help you solve the problem. - =
13. 13. Let’s try a picture with subtraction! - = ?
14. 14. When you draw your picture, X out the number you are subtracting from the first set of circles. - = 4 2 2
15. 15. Let’s try on our own!
16. 16. 7 + 3 = ? A. 11 B. 10 C. 8 The answer is B
17. 17. 4 + 3 = ? A. 7 B. 6 C. 9 The answer is A!
18. 18. Let’s try on our own!
19. 19. 5 - 4 = ? A. 2 B. 3 C. 1 The answer is C!
20. 20. 7 - 4 = ? A. 4 B. 6 C. 3 The answer is C!
21. 21. Conclusion Now you should be able to add and subtract single digit numbers by using pictures to solve the problems given to you. You should also understand what an addend, sum, and difference is.
22. 22. Resources Ohio Department of Education. (2012). Retrieved September 27, 2012. http://www.ode.state.oh.us/GD/Templates/Pages/ODE/ODEDetail .aspx? page=3&TopicRelationID=1704&ContentID=126041&Content=1 32157 Pierce, R. (2012). Retrieved September 27, 2012. http://www.mathsisfun.com/index.htm University of Richmond. (2007). Reterived Spetember 27, 2012. http://blog.richmond.edu/openwidelookinside/archives/1329