1. Addition and Subtraction Amber Quinn

2.  Content Area: Mathematics  Grade Level: 1 st grade  Summary: The purpose of this activity is for the student to provide the correct number for each addition and subtraction equation.  Learning Objective: Students will solve addition and subtraction problems with 100% accuracy.  Content Standard: Determine the unknown whole number in addition or subtraction equation relating three whole numbers.  Accomplishment: To understand addition and subtraction equations with accuracy.

3. Let’s Review Addition!  Instructions-First Example:  2+2=4 Add the 1 st group of balls with the 2 nd group of balls to get a total of 4 balls. Hyperlink: http://hoodamath.com/games/princessmath.php http://hoodamath.com/games/princessmath.php +=

4. Take a look at Subtraction!  Second Example:  3-2=1  Take the first group of 3 balls and take away two of them. You are now left with only 1 ball.  Hyperlink: http://www.ixl.com/math/kindergarten/count-to-5 http://www.ixl.com/math/kindergarten/count-to-5 -=

5. Now let’s Practice:  Addition Problem to solve: 10+3=  13 13  4 4  7 7

6. Correct!  Great job Superstar!

7. Question Two:  Subtraction Problem: 8-4 =  2 2  4 4  9 9

8. Correct!  You got it!

9. Summary:  Congratulations! You have solved all the problems correct Mathematician! We have reviewed adding and subtracting so now you have a little more knowledge on how to do those problems correctly! Here is a link that provides you with some interactive math problems to practice on.  Hyperlink: https://sites.google.com/a/norman.k12.ok.us/ mr-wolfe-s-math-interactive-whiteboard/ https://sites.google.com/a/norman.k12.ok.us/ mr-wolfe-s-math-interactive-whiteboard/

10. Incorrect! Try Again