2. ADDITION WORD PROBLEMS GABRIELA VALENCIA EDIT 4170 SATURDAY PORTIONS OF THESE MATERIALS HAVE BEEN INCORPORATED UNDER THE FAIR USE OF GUIDELINES AND ARE RESTRICTED FROM FURTHER USE.

3. COMMON CORE STATE STANDARDS GRADE 1 OPERATIONS AND ALGEBRAIC THINKING 1.OA REPRESENT AND SOLVE PROBLEMS INVOLVING ADDITION AND SUBTRACTION. 1. USE ADDITION AND SUBTRACTION WITHIN 20 TO SOLVE WORD PROBLEMS INVOLVING SITUATIONS OF ADDING TO, TAKING FROM, PUTTING TOGETHER, TAKING APART, AND COMPARING, WITH UNKNOWNS IN ALL POSITIONS, E.G., BY USING OBJECTS, DRAWINGS, AND EQUATIONS WITH A SYMBOL FOR THE UNKNOWN NUMBER TO REPRESENT THE PROBLEM.

4. OBJECTIVE Today I will be able to solve word problems using only addition.

5. PURPOSE Why do you need to know how to do this additions? You go to the store, and you want to buy two toys. One toy is $7, and the other is $5. How do you know how much money you need to pay for these two items? $7$5

6. Review http://www.youtube.com/watch?v=0gHA47jVsZU

7. WATCH ME WHILE I DO IT! You have a bag of skittles. You eat 6 skittles, and you give 5 skittles to your friend. How many skittles were in your bag? s s s s s s s ss s s You ate 6 Your friend ate 5

8. THINK How many skittles were in the bag? 6+5=? 11

9. HELP ME WHILE I DO IT! John has 10 marbles in his backpack. Julian has 8 marbles in his pocket. How many marbles do they have in all? John Julian

10. HOW DO I SOLVE THIS PROBLEM? Partner Talk!

11. John has 10 marbles Julian has 8 marbles 10 + 8 =18

12. YOU DO IT!

13. WHAT DO YOU KNOW? $7$5

14. SHOW ME YOUR WORK! 7+5=12

15. INDIVIDUAL PRACTICE 1) Mary has 9 stickers, and Michelle has 6 stickers. If they put all the stickers together, how many stickers do they have in total? 2) Laura found 7 purple flowers and 8 red flowers in her garden. How many flowers did she found in all?

16. CLOSURE What did we learned today? Today we learned how to solve word problems using only addition.