All About Rounding

1
All About Rounding
KAnglin2005
2
Rounding Poem
Underline your placeCircle right next door 4
or less, just ignore.5 and up well add one
moreto the underlined place you know the
score!Thenin those empty right hand
spaces,Zeroes keep the proper places.

KAnglin2005
3
Underline your placeCircle right next door 4
or less, just ignore.5 and up well add one
moreto the underlined place you know the
score!Thenin those empty right hand
spaces,Zeroes keep the proper places.
Use the poem to help you round numbers.
KAnglin2005
4
Underline your placeCircle right next door 4
or less, just ignore.5 and up well add one
moreto the underlined place you know the
score!Thenin those empty right hand
spaces,Zeroes keep the proper places.
Round to the nearest hundreds place
4 3 6
ones
tens
hundreds
Underline your placeCircle right next door
4 3 6
KAnglin2005
5
Underline your placeCircle right next door 4
or less, just ignore.5 and up well add one
moreto the underlined place you know the
score!Thenin those empty right hand
spaces,Zeroes keep the proper places.
4 or less, just ignore.
4 3 6
KAnglin2005
6
Underline your placeCircle right next door 4
or less, just ignore.5 and up well add one
moreto the underlined place you know the
score!Thenin those empty right hand
spaces,Zeroes keep the proper places.
4 3 6
Thenin those empty right hand spaces,Zeroes
keep the proper places.
4 0 0
KAnglin2005
7
Underline your placeCircle right next door 4
or less, just ignore.5 and up well add one
moreto the underlined place you know the
score!Thenin those empty right hand
spaces,Zeroes keep the proper places.
Lets do another one!
Round to the nearest hundreds place
Underline your placeCircle right next door
4 6 2
KAnglin2005
8
Underline your placeCircle right next door 4
or less, just ignore.5 and up well add one
moreto the underlined place you know the
score!Thenin those empty right hand
spaces,Zeroes keep the proper places.
5 and up well add one moreto the underlined
place you know the score!
1
4 6 2
5 6 2
KAnglin2005
9
Underline your placeCircle right next door 4
or less, just ignore.5 and up well add one
moreto the underlined place you know the
score!Thenin those empty right hand
spaces,Zeroes keep the proper places.
5 6 2
Thenin those empty right hand spaces,Zeroes
keep the proper places.
5 0 0
KAnglin2005
10
Underline your placeCircle right next door 4
or less, just ignore.5 and up well add one
moreto the underlined place you know the
score!Thenin those empty right hand
spaces,Zeroes keep the proper places.
Lets do another one!
Round to the nearest tens place
6 3 4
Underline your placeCircle right next door
hundreds
tens
ones
KAnglin2005
11
Underline your placeCircle right next door 4
or less, just ignore.5 and up well add one
moreto the underlined place you know the
score!Thenin those empty right hand
spaces,Zeroes keep the proper places.
4 or less, just ignore.
6 3 4
KAnglin2005
12
Underline your placeCircle right next door 4
or less, just ignore.5 and up well add one
moreto the underlined place you know the
score!Thenin those empty right hand
spaces,Zeroes keep the proper places.
6 3 4
Thenin those empty right hand spaces,Zeroes
keep the proper places.
6 3 0
KAnglin2005
KAnglin2005
13
Underline your placeCircle right next door 4
or less, just ignore.5 and up well add one
moreto the underlined place you know the
score!Thenin those empty right hand
spaces,Zeroes keep the proper places.
Lets do another one!
Round to the nearest tens place
Underline your placeCircle right next door
3 5
KAnglin2005
KAnglin2005
KAnglin2005
14
Underline your placeCircle right next door 4
or less, just ignore.5 and up well add one
moreto the underlined place you know the
score!Thenin those empty right hand
spaces,Zeroes keep the proper places.
5 and up well add one moreto the underlined
place you know the score!
1
3 5
4 5
KAnglin2005
KAnglin2005
15
Underline your placeCircle right next door 4
or less, just ignore.5 and up well add one
moreto the underlined place you know the
score!Thenin those empty right hand
spaces,Zeroes keep the proper places.
4 5
Thenin those empty right hand spaces,Zeroes
keep the proper places.
4 0
KAnglin2005
16
Were not going to use it. Lets see how to
round using a number line.
Wheres the rounding poem?
This is how you would round 22 to the nearest ten
using a number line.
22
30
29
27
28
23
24
25
26
21
22
20
22 is closer to 20 than to 30. 22 rounds down to
20.
KAnglin2005
17
This is how you would round 25 to the nearest ten
using a number line.
25
30
29
27
28
23
24
25
26
21
22
20
25 is halfway between 20 and 30. If a number is
halfway between 2 tens, you round up. 25 rounds
up to 30.
KAnglin2005
18
This is how you would round 28 to the nearest ten
using a number line.
28
30
29
27
28
23
24
25
26
21
22
20
28 is closer to 30 than to 20. 28 rounds up to
30.
KAnglin2005
KAnglin2005
19
This is how you would round 215 to the nearest
hundred using a number line.
215
290
300
270
280
230
240
250
260
210
220
200
215 is closer to 200 than to 300. 215 rounds
down to 200.
KAnglin2005
KAnglin2005
20
This is how you would round 250 to the nearest
hundred using a number line.
250
290
300
270
280
230
240
250
260
210
220
200
250 is halfway between 200 and 300. If a number
is halfway between 2 hundreds, you round up. 250
rounds up to 300.
KAnglin2005
KAnglin2005
KAnglin2005
21
This is how you would round 275 to the nearest
hundred using a number line.
275
290
300
270
280
230
240
250
260
210
220
200
275 is closer to 300 than to 200. 275 rounds up
to 300.
KAnglin2005
KAnglin2005
22
Lets round larger numbers!
Round this number to the nearest thousand
Underline your placeCircle right next door 4
or less, just ignore.5 and up well add one
moreto the underlined place you know the
score!Thenin those empty right hand
spaces,Zeroes keep the proper places.
376,480
6,
0
0
3
7
0
23
Lets round larger numbers!
Round this number to the nearest thousand
Underline your placeCircle right next door 4
or less, just ignore.5 and up well add one
moreto the underlined place you know the
score!Thenin those empty right hand
spaces,Zeroes keep the proper places.
1
364,581
5,
0
0
3
6
0
23
24
Lets round larger numbers!
Round this number to the nearest ten thousand
Underline your placeCircle right next door 4
or less, just ignore.5 and up well add one
moreto the underlined place you know the
score!Thenin those empty right hand
spaces,Zeroes keep the proper places.
473,581
0
0
4
7
0
0,
24
24
25
Lets round larger numbers!
Round this number to the nearest hundred thousand
Underline your placeCircle right next door 4
or less, just ignore.5 and up well add one
moreto the underlined place you know the
score!Thenin those empty right hand
spaces,Zeroes keep the proper places.
1
579,268
0
0
6
0
0
0,
25
25
25
26
Happy Rounding!