1. Doctor Division

2. Brother is home from Math Camp!
Brother returned from camp, but he is sick! How can we help?
In order to make brother feel better, we need to get him to the Doctor!

3. What does the Doctor do?
Doctors make us feel better…. They work slowly and carefully to find the problem. If we follow the Doctors advice, we get better quick!
Doctor division has the prescription!

4. . . ( __ X __ Our Math Medicine Divide Multiply Subtract Check
Bring Down X __ (

5. ____
Examine your problem.
7)263

6. . .
Think…Can I divide 2 by 7?
____ __
7)263
NO! X __ (

7. ____ . .
7)263 __
Since I can’t divide 2 by 7…. I will have to divide 26 by 7. X __ (

8. . . ____ 3 7)263 ( __ X __ Think.. 7 X ? = 26 or less?
7 X 3 = 21….That is as close as you can get to 26 without going over. X __ (

9. . .
____ 3 __
7)263
Work your multiplication and put your answer under your 26. X __ 21 (

10. . .
____ 3 __
7)263 X __ _
Subtract 21 (
___

11. . .
____ 3 __
7)263 X
Compare your subtraction answer with your divisor… is it less than your divisor? If it is, you are ready for your next step. __ _ 21 (
___ 5

12. ____ 3
7)263
Bring down your next number. In this case it is the number 3. _ 21
___ 5

13. ____ 3
7)263
Now think…
? X 7 will get me as close to 53 without going over. _ 21
___ 5 3

14. ____ 3 7
7)263 _
7 X 7 = 49 21
___ 5 3

15. ____ 3 7
7)263 _
Work your multiplication and write that under your 53.
___ 21 5 3 _
___ 49

16. ____ 3 7
7)263 _
___ 21
Subtract 5 3 _
___ 49 4

17. ____ 3 7
7)263 _
Check…is the 4 smaller than your divisor? If it is, you can go to the next step.
___ 21 5 3 _
___ 49 4

18. ____ 3 7
7)263
Do you have any more numbers to bring down?
If not… This will be your remainder. _
___ 21 5 3 _
___ 49 4

19. ____ 3 7
R 4
7)263 _
___ 21
Write your remainder at the top with the rest of your quotient. 5 3 _
___ 49 4

20. You are now a Doctor of Division!

21. Dr. Division Work slowly Work your steps in order
4th Grade
Theiss Elementary
December 8, 2010
Work slowly
Work your steps in order
Practice makes perfect!