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Class 6
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Maths
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Knowing Our Numbers
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Estimating and Rounding Off
Estimating and Rounding Off
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Estimating and Rounding Off
Example
Definitions
Formulaes
>
Estimating the Results of Operations
Example
Definitions
Formulaes
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Learn with Videos
Estimating the number to nearest 10-100-1000
17 mins
Estimating Sum and Difference of 2 Numbers
13 mins
Quick Summary With Stories
Estimating to the nearest tens by rounding off
2 mins
Estimating to the nearest hundreds by rounding off
2 mins
Estimating to nearest Thousand by rounding Off
2 mins
Estimating the Results of Operations-I
3 mins
Estimating the Results of Operations-II
2 mins
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Important Questions
Round off the given numbers to the nearest tens, hundreds and thousands.
Easy
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>
Round these numbers to the nearest tens.
$28,32,52,41,39,48,64,59,99,215,1453,2936$
.
Easy
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>
Round off to nearest lakhs: The given number is
$38,65,62,048$
Easy
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>
Estimate the product
$475×225$
rounding off each number to the nearest hundred.
Medium
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>
Subtract:
$3xy+5yz−7zx$
from
$5xy−2yz−2zx+10xyz$
Easy
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>
Solve :
$2a−[4b−{4a−(3b−2a+2b )}]$
Easy
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>
Estimate the sum
$(42505+27807+21397)$
to the nearest thousand.
Medium
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>
Estimate the sum to the nearest ten:
$(57+34)$
Medium
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>
Round-off
$3789$
to nearest
$100$
Easy
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>
Estimate the sum to the nearest hundred:
$(458+324)$
Medium
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>