Math Grade 4

1. MathGrade 4 Mrs. Ennis Long Division (With Remainders Part 2) Lesson Seventeen

2. 56,785 – 8,888 = 6,006 – K = 4,767 4,000 x 3 = 7 x 6 + 3 = 535 ÷ 5 = Eloise had 35 quarters. How many dollars did she have?

3. The number of quarts in 4 gallons. The length of one side of a regular hexagon if its perimeter is 24cm. Coach Jones bought 2 softballs for $5.89 each and a bat for $9.99. If he gave the clerk two $20.00 bills, how much change should he receive?

4. 10. Three girls ran on the winning relay team. Their times were 52 seconds, 58 seconds, and 1 minute 4 seconds. Did they beat the last winning team score of 3 minutes 3 seconds?

6. Long Division Algorithm

7. To be really good at division, you must learn your multiplication facts. For this lesson, if you don’t know them, you may want to use a multiplication chart like this one:

9. Vocabulary • dividend - the number you are dividing • divisor- the number you are dividing by • quotient - the evenly divided result • remainder - what is left over that cannot be evenly divided • divisable- can be divided by evenly

10. 1 is the remainder r 1 27 5, isthe divisor 27,is the quotient 5 136 136, isthe dividend When writing it like this:

11. 5 Steps in Long Division 1. Divide Dirty Monkeys Smell Bad 2. Multiply 3. Subtract 4. Bring down. 5. Repeat or Remainder

12. Step 1 in Long Division 1. Divide 4 2 ) 9 4 78

13. Step 2 in Long Division 4 2 ) 9 4 7 8 2. Multiply 8

14. Step 3 in Long Division 4 3. Subtract 2 ) 9 4 78 8 1

15. Step 4 in Long Division 4 2 ) 9 4 7 8 8 1 4 4. Bring down.

16. Step 5 in Long Division 5. Repeat or Remainder 4 2 ) 9 4 7 8 8 1 4

17. Step 1 in Long Division 1. Divide 4 7 2 ) 9 4 7 8 8 1 4

18. Step 2 in Long Division 4 7 2. Multiply 2 ) 9 4 7 8 8 1 4 1 4

19. Step 3 in Long Division 4 7 3. Subtract 2 ) 9 4 7 8 8 1 4 1 4 0

20. Step 4 in Long Division 4 7 4. Bring down. 2 ) 9 4 7 8 8 1 4 1 4 0 7

21. Step 5 in Long Division 5. Repeat or Remainder 4 7 2 ) 9 4 7 8 8 1 4 1 4 0 7

22. Step 1 in Long Division 4 7 3 1. Divide 2 ) 9 4 7 8 8 1 4 1 4 0 7

23. Step 2 in Long Division 4 7 3 2. Multiply 2 ) 9 4 7 8 8 1 4 1 4 0 7 6

24. Step 3 in Long Division 4 7 3 3. Subtract 2 ) 9 4 7 8 8 1 4 1 4 0 7 6 1

25. Step 4 in Long Division 4 7 3 4. Bring down 2 ) 9 4 7 8 8 1 4 1 4 0 7 6 1 8

26. Step 5 in Long Division 5. Repeat or Remainder 4 7 3 2 ) 9 4 7 8 8 1 4 1 4 0 7 6 8 1

27. Step 1 in Long Division 4 7 3 9 1. Divide 2 ) 9 4 7 8 8 1 4 1 4 0 7 6 1 8

28. Step 2 in Long Division 9 2. Multiply 4 7 3 2 ) 9 4 7 8 8 1 4 1 4 0 7 6 8 1 1 8

29. Step 3 in Long Division 9 2. Subtract 4 7 3 2 ) 9 4 7 8 8 1 4 1 4 0 7 8 6 1 1 8 0

30. Let’s Try Some

31. 4) 7 3 5 8 Dirty Monkeys Smell Bad

32. 8 3 9 You did it! R2 1 4 4) 7 3 5 8 3 3 3 2 1 5 1 2 3 8 3 6 2

33. 6 ) 8 0 3 2 Dirty Monkeys Smell Bad

34. 3 3 8 R4 1 6 6 ) 8 0 3 2 2 0 1 8 Cool Dude! 2 3 1 8 5 2 4 8 4

35. 3 ) 9 1 5 2 Dirty Monkeys Smell Bad

36. 0 1 7 R1 You’re awesome! 3 9 3 ) 9 1 5 2 0 1 0 0 5 3 2 2 2 1 1

37. 5 ) 1 3 7 6 Dirty Monkeys Smell Bad

38. 2 7 5 R1 1 0 5 ) 1 3 7 6 3 7 3 5 You’re so smart! 2 6 2 5 1

39. Online Practice http://www.mrnussbaum.com/draggable_division/division.html http://resources.oswego.org/games/mathmagician/maths1.html

40. Math Fun: Is it a simple task? Find the missing numbers as fast as you can! 0, 6, 24, 60, 120, 210, ___, ___, ___ (It’s a hard one!!!)

41. Answer: The missing numbers are 336, 504, 720. The pattern is: Multiply the first three whole numbers, the next three whole numbers, and so on.0 x 1 x 2 = 01 x 2 x 3 = 62 x 3 x 4 = 24, and so on.

42. Resources: http://mathlearnnc.sharpschool.com/UserFiles/Servers/Server_4507209/File/Instructional%20Resources/G4WW1-4.pdf http://math.pppst.com/division.html http://nces.ed.gov/nceskids/grabbag/math_teasers/Challenge2.asp http://www.syvum.com/cgi/online/fillin.cgi/teasers/hare1.tdf?0 http://resources.oswego.org/games/mathmagician/maths1.html http://www.mrnussbaum.com/draggable_division/division.html