Decimal Place - PowerPoint PPT Presentation

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Decimal Place

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Decimal Place This show is intended to reinforce place value and decimals. It is intended to be used in class with a data projector. Liz Philip – PowerPoint PPT presentation

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Title: Decimal Place


1
Decimal Place This slide show is intended to
reinforce place value and decimals. It is
intended to be used in class with a data
projector. Liz Philip
2
Decimal
means
10
3
A point means smaller than 1
0.1
4
Multiply means to get
bigger
5
So
To multiply by 10 the number gets 10 times bigger
6 x 10 60
6
But the point
NEVER
moves
7
Divide means to get
smaller
8
So
To divide by 10 the number gets 10 times smaller
60 ? 10 6
9
But the point
NEVER
moves
10
ten
1
0
.
11
two tenths
0
.
2
12
Ten point two
Ten whole
Two tenths
1
0
.
2
13
Three hundred
3
0
0
.
14
Three thousand
3
0
0
0
.
15
Three hundredths
0
.
0
3
16
Multiply means to get
bigger
17
6 x 10
18
6.2 x 10
19
62 x 10
20
But the point
NEVER
moves
21
Divide means to get
smaller
22
370 ? 10
23
37 ? 10
24
3.7 ? 10
25
But the point
NEVER
moves
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