1 Decimals Place value, Comparing & Ordering. 2 Place Value Chart.
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1 Decimals Place value, Comparing & Ordering
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Transcript of 1 Decimals Place value, Comparing & Ordering. 2 Place Value Chart.
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Decimals
Place value,Comparing & Ordering
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Place Value ChartO
nes
Ten
ths
Hun
dred
ths
Tho
usan
dths
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DECIMAL PLACE VALUE
Decimals show part of a whole.The decimal point separates the ones place and the tenths place.
The decimal says the word “and”.
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Decimal Models
One Whole
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Decimal Models
Tenths
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Decimal Models
Tenths
0.1
10
1
7
Decimal Models
Hundredths
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Decimal Models
Hundredths
.01
100
1
9
Decimal Models
.42
forty two hundredths
100
42
10
Decimal Models
3.7
10
73
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Comparing Decimals
Number line
5.1 5.8
5.0 6.05.5
5.1 5.8<
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Comparing Decimals
Place Value
2.037 2.0332.037
2.033
Line up decimal points
Start at left, compare each
place value
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Comparing Decimals
Place Value
2.037 2.033
2.037
2.033
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Comparing Decimals
Place Value
2.037 2.033
2.037
2.033
7 and 3 are not equal
7 thousandths > 3 thousandths
>
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Ordering Decimals
Place Value
19.48, 19.481, 19.4
19.48
19.481
19.4
Line up the decimal points
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Ordering Decimals
Place Value
19.48, 19.481, 19.4
19.48
19.481
19.4
Annex a zero so that each has the same number of decimal places.
0
00
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Ordering Decimals
Place Value19.48, 19.481, 19.4
19.48
19.481
19.4
0
00
Compare place to place, putting the numbers in order from least to greatest.
19.48; 19.48119.4;
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Ordering Decimals
Place Value19.48, 19.481, 19.4
19.48
19.481
19.4
0
00
19.4; 19.48; 19.481
