rounding off stage 4 years 7 & 8 press ctrl-a ©2009 g dear – not to be sold/free to use
TRANSCRIPT
Rounding OffRounding OffStage 4Stage 4
Years 7 & 8Years 7 & 8
Press Ctrl-APress Ctrl-A©2009 G Dear – Not to be sold/Free to use
2
6.46.4
6.96.9
6.2 6.2
6.76.7
6.56.5
6.86.8
6.16.1
6.36.3
Rounding Off Decimals
Estimate the position of the decimaland so round it off.
66 77
66
77
77
77
66
77
66
66
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3
3.143.14
3.193.19
3.12 3.12
3.173.17
3.153.15
3.183.18
3.113.11
3.133.13
Estimate the position of the decimaland so round it off.
3.13.1 3.23.2
3.13.1
3.23.2
3.23.2
3.23.2
3.13.1
3.23.2
3.13.1
3.13.1
Rounding Off Decimals
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4
To round of decimals
1.Cross off decimal places not needed.
Round 3.83533.8353 to 2 decimals places2 decimals places
2.If the next digit is 5 or greater5 or greater then add ‘11’ to the last digit.
3.843.84
Round 3.83533.8353 to 3 decimals places3 decimals places
3.8353.835
Rounding Off Decimals
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b) 2.2523 [[1]]
c) 45.278 [[2]]
d) 4.3593 [[0]]
a) 4.7573 [[3]]
Round off the decimals to the numberof paces indicated in [ ][ ].
4.757
2.3
45.28
4
Rounding Off Decimals
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RoundingRoundingDecimalsDecimals