1 10 1000 100 1 0 1 The place value of a digit decreases to one tenth as the digit moves by one...
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Transcript of 1 10 1000 100 1 0 1 The place value of a digit decreases to one tenth as the digit moves by one...
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1000 100 1 0 1
The place value of a digit decreases to one tenth as the digit moves by one place, FROM left to right.
3
Instead of using a table,we can place a DECIMAL POINT between the
ones and tenths place and write as 5684.312
ten
ths
hu
nd
red
ths
thou
san
dth
s
5 6 8 4 1 2.
1
100
1
1000
PICTURE FRACTION DECIMAL
1
10.1
3
10
6
10
Decimal takes less
Space!
.3
.6
A DECIMAL IS ANOTHER WAY OF REPRESENTING A FRACTION
462.893 DECIMAL
PART
WHOLE NUMBER PART
DECIMAL
POINTDECIMAL POINT
SEPERATES THE WHOLE
PART AND THE FRACTION
PART!
Decimal numberhas a decimal
point!
4.6 Four point six
Four and six tenths
8.25 Eight point two five
Eight and twenty five hundredths
39.07 Thirty nine point zero seven
Thirty nine and seven hundredths
0.123 Zero point one two three
One hundred twenty three thousandths
Zero on the left of a whole
Number has no value
zero on the right of a
decimal has no value
So, 005.5000 =5.5
• 0.5 5 five tenths• 10
• 2.3 3 two and three tenths• 10
• 0.89 89 eighty nine hundredths• 100
• 0.004 4 four thousandths• 1000
• 76.1 1 seventy six and one tenth•
No. of decimal digits =No. of zeroes in the denominater!
1076
2
1
110
1100
1 4 6
How many whole squares? 1
How many more tenths? 4
How many more hundredths? 6
1’s 1
’s10
1
‘s
100
.
So, the above shaded figure represents the decimal - 1.46
WHAT DOES THE SHADED REGION REPRESENT?
Count the shaded wholes, tenths, and hundredths toform the DECIMAL
11001
110
1 3
1 6 8
2 3 7
10 Or O.3 of my fingers are hurt.
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Two of the ten petals are coloured pink.
So, 0.2 of the petals are coloured pink!
0.4 OF THE CAKE IS LEFT!
1.8 L OF LIQUID IS IN THE JARS ALTOGETHER!
It’s so easy to say in decimals!
Count the whole and then the parts!
Box of ten
Ten masks Ten masks
1.2packets of balls!
1.5packets of pencils!
2.4packets of masks!
Three of the ten beetroot’s leaves have been cut.
Or 0.3 of the beetroot’s leaves are cut!
Decimals are always something out of ten or hundreds!
Eight out of the ten members are taking the notes.So 0.8 members are taking the notes!
Rs.30.50
After all, decimals are not that complicated!
Decimals are another way of representing fractions!
Decimals are always a part of ten, hundred, or a
thousand!
Decimals take less space!