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Unit 2 Lesson 8 Part 3: Rounding to the Nearest Hundred
(4 Digits)
Copyright © 2009 Kelly Mott
Unit 2 Lesson 8 Part 3: Rounding to the Nearest Hundred
(4 Digits)
Copyright © 2009 Kelly Mott
Part 1: Rounding to the Nearest Ten (3 Digits) Number Line
Copyright © 2009 Kelly Mott
What is 1,640 rounded to the nearest hundred?• Find 1,640 on the number line. Put a dot.• Is 1,640 closer to 1,600 or 1,700? ___________• Answer: 1,640 rounded to the nearest hundred
is _____________________
1,600 1,610 1,620 1,630 1,640 1,650 1,660 1,670 1,680 1,690 1,700
Copyright © 2009 Kelly Mott
Round to the Nearest Hundred
What is 2,890 rounded to the nearest hundred?• Find 2,890 on the number line. Put a dot.• Is 2,890 closer to 2,800 or 2,900? ___________• Answer: 2,890 rounded to the nearest hundred
is _____________________
2,800 2,810 2,820 2,830 2,840 2,850 2,860 2,870 2,880 2,890 2,900
Copyright © 2009 Kelly Mott
Round to the Nearest Hundred
What is 6,750 rounded to the nearest hundred?• Find 6,750 on the number line. Put a dot.• Is 6,750 closer to 6,700 or 6,800? ___________• Answer: 6,750 rounded to the nearest hundred
is _____________________
6,700 6,710 6,720 6,730 6,740 6,750 6,760 6,770 6,780 6,790 6,800
Copyright © 2009 Kelly Mott
Round to the Nearest Hundred
*Hint: When we have 5 or more, we round up.
Copyright © 2009 Kelly Mott
Part 2: Rounding without a Number Line
Copyright © 2009 Kelly Mott
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:
4,633
Hint for the Circled Number:4 or less just ignore.5 or more, add 1 more.
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:
6,197
Hint for the Circled Number:4 or less just ignore.5 or more, add 1 more.
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:
7,438
Hint for the Circled Number:4 or less just ignore.5 or more, add 1 more.
Practice # 4 :STEPS:1. Underline the place you are
rounding to.2. Circle the number to the right.
3. If the number to the right is 0, 1, 2, 3, or 4, then the underlined number stays the same.
4. If the number to the right is 5, 6, 7, 8, or 9, then the underlined number needs to go up 1 more number.
5. Every number to the right of the underlined number becomes a zero.
Copyright © 2009 Kelly Mott
Round to the nearest hundred:
3,872
Hint for the Circled Number:4 or less just ignore.5 or more, add 1 more.
Practice # 5:STEPS:1. Underline the place you are
rounding to.2. Circle the number to the right.
3. If the number to the right is 0, 1, 2, 3, or 4, then the underlined number stays the same.
4. If the number to the right is 5, 6, 7, 8, or 9, then the underlined number needs to go up 1 more number.
5. Every number to the right of the underlined number becomes a zero.
Copyright © 2009 Kelly Mott
Round to the nearest hundred:
5,306
Hint for the Circled Number:4 or less just ignore.5 or more, add 1 more.
Practice # 6: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:
3,659
Hint for the Circled Number:4 or less just ignore.5 or more, add 1 more.
Practice # 7: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:
8,249
Hint for the Circled Number:4 or less just ignore.5 or more, add 1 more.
Practice # 8: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:
2,192
Hint for the Circled Number:4 or less just ignore.5 or more, add 1 more.
Practice # 9: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:
6,832
Hint for the Circled Number:4 or less just ignore.5 or more, add 1 more.
Practice # 10: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:
7,096
Hint for the Circled Number:4 or less just ignore.5 or more, add 1 more.
Practice # 11: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:
3,584
Hint for the Circled Number:4 or less just ignore.5 or more, add 1 more.
Practice # 12: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:
1,199
Hint for the Circled Number:4 or less just ignore.5 or more, add 1 more.
Practice # 13 :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:
2,928
Hint for the Circled Number:4 or less just ignore.5 or more, add 1 more.
Practice # 14: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:
3,880
Hint for the Circled Number:4 or less just ignore.5 or more, add 1 more.
Practice # 15 :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:
9,104
Hint for the Circled Number:4 or less just ignore.5 or more, add 1 more.
Copyright © 2009 Kelly Mott
Part 3: CHALLENGE
Copyright © 2009 Kelly Mott
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:
34,833
Hint for the Circled Number:4 or less just ignore.5 or more, add 1 more.
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:
13,285
Hint for the Circled Number:4 or less just ignore.5 or more, add 1 more.
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:
26,435
Hint for the Circled Number:4 or less just ignore.5 or more, add 1 more.
Practice # 4: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:
78,409
Hint for the Circled Number:4 or less just ignore.5 or more, add 1 more.
Practice # 5: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:
54,072
Hint for the Circled Number:4 or less just ignore.5 or more, add 1 more.
Does this make sense?
Copyright © 2009 Kelly Mott
HOMEWORKTeacher Worksheet: Rounding to Nearest Hundred 4
Digits WorksheetMath Steps Pages: noneRe-teach Page: none
Copyright © 2009 Kelly Mott
You can use the Rounding Pyramid:
51
2
84
0
93
76
1. Underlined number rounds up one
2. Add the zeros
1. Underlined number stays the same
2. Add the zeros
Copyright © 2009 Kelly Mott
