2. Mrs. Whalen’s Kindergarten Math Lesson #38 Subtraction Word Problems

3. Daily Practice!

4. Let’s watch! https://www.youtube.com/watch?v =feRV7t5djwY

5. Let’s practice making groups on the document camera. Y

6. Let’s watch! https://www.youtube.com/watch ?v=T1Ot5SZYWc4

7. Good Job!!

8. Lesson

9. Yesterday we subtracted groups of objects. When we subtracted the objects we made less objects.

10. We would use the subtraction symbol to let us know we were subtracting the objects.

11. Sometimes words can let us know we are subtracting.

12. Let’s try a word problem. John has 3 dogs. One dog ran away. How many dogs does John have left ?

13. First we can draw 3 dogs for John. 1 23

14. John has 3 dogs and one dog ran away. How many dogs does John have left? 3 -= 1 2

15. Tom has 7 slices of pizza. Tom

16. His friend Jerry ate 4 slices of pizza. What does 7 minus 4 equal? TomJerry

17. 7 – 4 = 3 TomJerry

18. Sally had 4 glasses of milk. Sue had 2 glasses of milk. SallySue

19. How many more glasses of milk did Sally have than Sue? SallySue

20. 4 – 2 = 2 SallySue

21. Pete has 4 pencils. Matt has 1 pencil. Pete Matt

22. What is the difference between the number of pencils Pete has and the number of pencils Matt has? PeteMatt

23. 4 – 1 = 3 Pete Matt

24. Let’s watch! https://www.youtube.com/wat ch?v=v9dx2o7m6GI

25. Practice!

26. Let’s work these problems on the document camera.

27. Let’s practice some more word problems. Have 10 counters to use to help you. You can use beans, coins, blocks or rocks as a counter. http://www.ixl.com/math/kindergarten/subtr action-word-problems-numbers-up-to-9

28. Good job today! In our next lesson we will learn different types of subtraction equations.

29. Goodbye! See you next time!

30. References www.googleimages.com www.youtube.com www.ixl.com