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Unit 2 Lesson 8 Part 5: Rounding Review Lesson (3,4, and 5 Digits) Copyright © 2009 Kelly Mott.

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Presentation on theme: "Unit 2 Lesson 8 Part 5: Rounding Review Lesson (3,4, and 5 Digits) Copyright © 2009 Kelly Mott."— Presentation transcript:

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2 Unit 2 Lesson 8 Part 5: Rounding Review Lesson (3,4, and 5 Digits) Copyright © 2009 Kelly Mott

3 Unit 2 Lesson 8 Part 5: Rounding Review Lesson (3,4, and 5 Digits) Copyright © 2009 Kelly Mott

4 Part 1: Round to the Nearest Ten (3 Digits) Copyright © 2009 Kelly Mott

5 Practice # 1 STEPS: 1.Underline the place you are rounding to. 2.Write down the number(s) to the left of the underlined digit. 3.Circle the number to the right. 4.If the number to the right is 0, 1, 2, 3, or 4, then the underlined number stays the same. 5.If the number to the right is 5, 6, 7, 8, or 9, then the underlined number needs to go up 1 more number. 6.Every number to the right of the underlined number becomes a zero. Copyright © 2009 Kelly Mott Round to the nearest ten: 439 Hint for the Circled Number: 4 or less just ignore. 5 or more, add 1 more.

6 Practice # 2 STEPS: 1.Underline the place you are rounding to. 2.Write down the number(s) to the left of the underlined digit. 3.Circle the number to the right. 4.If the number to the right is 0, 1, 2, 3, or 4, then the underlined number stays the same. 5.If the number to the right is 5, 6, 7, 8, or 9, then the underlined number needs to go up 1 more number. 6.Every number to the right of the underlined number becomes a zero. Copyright © 2009 Kelly Mott Round to the nearest ten: 653 Hint for the Circled Number: 4 or less just ignore. 5 or more, add 1 more.

7 It’s your turn! Copyright © 2009 Kelly Mott

8 Practice # 3 STEPS: 1.Underline the place you are rounding to. 2.Write down the number(s) to the left of the underlined digit. 3.Circle the number to the right. 4.If the number to the right is 0, 1, 2, 3, or 4, then the underlined number stays the same. 5.If the number to the right is 5, 6, 7, 8, or 9, then the underlined number needs to go up 1 more number. 6.Every number to the right of the underlined number becomes a zero. Copyright © 2009 Kelly Mott Round to the nearest ten: 276 Hint for the Circled Number: 4 or less just ignore. 5 or more, add 1 more.

9 30 second s Copyright © 2009 Kelly Mott

10 20 second s Copyright © 2009 Kelly Mott

11 10 second s Copyright © 2009 Kelly Mott

12 9 second s Copyright © 2009 Kelly Mott

13 8 second s Copyright © 2009 Kelly Mott

14 7 second s Copyright © 2009 Kelly Mott

15 6 second s Copyright © 2009 Kelly Mott

16 5 second s Copyright © 2009 Kelly Mott

17 4 second s Copyright © 2009 Kelly Mott

18 3 second s Copyright © 2009 Kelly Mott

19 2 second s Copyright © 2009 Kelly Mott

20 1 second s Copyright © 2009 Kelly Mott

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22 Practice # 3 STEPS: 1.Underline the place you are rounding to. 2.Write down the number(s) to the left of the underlined digit. 3.Circle the number to the right. 4.If the number to the right is 0, 1, 2, 3, or 4, then the underlined number stays the same. 5.If the number to the right is 5, 6, 7, 8, or 9, then the underlined number needs to go up 1 more number. 6.Every number to the right of the underlined number becomes a zero. Copyright © 2009 Kelly Mott Round to the nearest ten: 276 Hint for the Circled Number: 4 or less just ignore. 5 or more, add 1 more.

23 Part 2: Round to the Nearest Hundred (4 Digits) Copyright © 2009 Kelly Mott

24 Practice # 1: STEPS: 1.Underline the place you are rounding to. 2.Write down the number(s) to the left of the underlined digit. 3.Circle the number to the right. 4.If the number to the right is 0, 1, 2, 3, or 4, then the underlined number stays the same. 5.If the number to the right is 5, 6, 7, 8, or 9, then the underlined number needs to go up 1 more number. 6.Every number to the right of the underlined number becomes a zero. Copyright © 2009 Kelly Mott Round to the nearest hundred: 8,633 Hint for the Circled Number: 4 or less just ignore. 5 or more, add 1 more.

25 Practice # 2 : STEPS: 1.Underline the place you are rounding to. 2.Write down the number(s) to the left of the underlined digit. 3.Circle the number to the right. 4.If the number to the right is 0, 1, 2, 3, or 4, then the underlined number stays the same. 5.If the number to the right is 5, 6, 7, 8, or 9, then the underlined number needs to go up 1 more number. 6.Every number to the right of the underlined number becomes a zero. Copyright © 2009 Kelly Mott Round to the nearest hundred: 5,197 Hint for the Circled Number: 4 or less just ignore. 5 or more, add 1 more.

26 It’s your turn! Copyright © 2009 Kelly Mott

27 Practice # 3: STEPS: 1.Underline the place you are rounding to. 2.Write down the number(s) to the left of the underlined digit. 3.Circle the number to the right. 4.If the number to the right is 0, 1, 2, 3, or 4, then the underlined number stays the same. 5.If the number to the right is 5, 6, 7, 8, or 9, then the underlined number needs to go up 1 more number. 6.Every number to the right of the underlined number becomes a zero. Copyright © 2009 Kelly Mott Round to the nearest hundred: 3,438 Hint for the Circled Number: 4 or less just ignore. 5 or more, add 1 more.

28 30 second s Copyright © 2009 Kelly Mott

29 20 second s Copyright © 2009 Kelly Mott

30 10 second s Copyright © 2009 Kelly Mott

31 9 second s Copyright © 2009 Kelly Mott

32 8 second s Copyright © 2009 Kelly Mott

33 7 second s Copyright © 2009 Kelly Mott

34 6 second s Copyright © 2009 Kelly Mott

35 5 second s Copyright © 2009 Kelly Mott

36 4 second s Copyright © 2009 Kelly Mott

37 3 second s Copyright © 2009 Kelly Mott

38 2 second s Copyright © 2009 Kelly Mott

39 1 second s Copyright © 2009 Kelly Mott

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41 Practice # 3: STEPS: 1.Underline the place you are rounding to. 2.Write down the number(s) to the left of the underlined digit. 3.Circle the number to the right. 4.If the number to the right is 0, 1, 2, 3, or 4, then the underlined number stays the same. 5.If the number to the right is 5, 6, 7, 8, or 9, then the underlined number needs to go up 1 more number. 6.Every number to the right of the underlined number becomes a zero. Copyright © 2009 Kelly Mott Round to the nearest hundred: 3,438 Hint for the Circled Number: 4 or less just ignore. 5 or more, add 1 more.

42 Part 3: Rounding to the Nearest Thousand (5 Digits) Copyright © 2009 Kelly Mott

43 Practice # 1: STEPS: 1.Underline the place you are rounding to. 2.Write down the number(s) to the left of the underlined digit. 3.Circle the number to the right. 4.If the number to the right is 0, 1, 2, 3, or 4, then the underlined number stays the same. 5.If the number to the right is 5, 6, 7, 8, or 9, then the underlined number needs to go up 1 more number. 6.Every number to the right of the underlined number becomes a zero. Copyright © 2009 Kelly Mott Round to the nearest thousand: 34,233 Hint for the Circled Number: 4 or less just ignore. 5 or more, add 1 more.

44 Practice # 2: STEPS: 1.Underline the place you are rounding to. 2.Write down the number(s) to the left of the underlined digit. 3.Circle the number to the right. 4.If the number to the right is 0, 1, 2, 3, or 4, then the underlined number stays the same. 5.If the number to the right is 5, 6, 7, 8, or 9, then the underlined number needs to go up 1 more number. 6.Every number to the right of the underlined number becomes a zero. Copyright © 2009 Kelly Mott Round to the nearest thousand: 64,909 Hint for the Circled Number: 4 or less just ignore. 5 or more, add 1 more.

45 It’s your turn! Copyright © 2009 Kelly Mott

46 Practice # 3: STEPS: 1.Underline the place you are rounding to. 2.Write down the number(s) to the left of the underlined digit. 3.Circle the number to the right. 4.If the number to the right is 0, 1, 2, 3, or 4, then the underlined number stays the same. 5.If the number to the right is 5, 6, 7, 8, or 9, then the underlined number needs to go up 1 more number. 6.Every number to the right of the underlined number becomes a zero. Copyright © 2009 Kelly Mott Round to the nearest thousand: 95,259 Hint for the Circled Number: 4 or less just ignore. 5 or more, add 1 more.

47 30 second s Copyright © 2009 Kelly Mott

48 20 second s Copyright © 2009 Kelly Mott

49 10 second s Copyright © 2009 Kelly Mott

50 9 second s Copyright © 2009 Kelly Mott

51 8 second s Copyright © 2009 Kelly Mott

52 7 second s Copyright © 2009 Kelly Mott

53 6 second s Copyright © 2009 Kelly Mott

54 5 second s Copyright © 2009 Kelly Mott

55 4 second s Copyright © 2009 Kelly Mott

56 3 second s Copyright © 2009 Kelly Mott

57 2 second s Copyright © 2009 Kelly Mott

58 1 second s Copyright © 2009 Kelly Mott

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60 Practice # 3: STEPS: 1.Underline the place you are rounding to. 2.Write down the number(s) to the left of the underlined digit. 3.Circle the number to the right. 4.If the number to the right is 0, 1, 2, 3, or 4, then the underlined number stays the same. 5.If the number to the right is 5, 6, 7, 8, or 9, then the underlined number needs to go up 1 more number. 6.Every number to the right of the underlined number becomes a zero. Copyright © 2009 Kelly Mott Round to the nearest thousand: 95,259 Hint for the Circled Number: 4 or less just ignore. 5 or more, add 1 more.

61 Does this make sense? Copyright © 2009 Kelly Mott

62 HOMEWORK Teacher Worksheet: Rounding Review Tens, Hundreds, Thousands Math Steps Pages: none Re-teach Page: none Copyright © 2009 Kelly Mott

63 You can use the Rounding Pyramid: 5 1 2 8 4 0 9 3 7 6 1.Underlined number rounds up one 2.Add the zeros 1.Underlined number stays the same 2.Add the zeros Copyright © 2009 Kelly Mott


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