Question

estimate the sum of two given numbers, we round off the
Example 1 Estimate the sum of 8494 and 439 to the nearest Tens
and 98 sketch pens from a shop. Estimate how many colouring items
place value and thumb
Divisibility by
ESTIMATING THE SUM
pril?
neare
and then find their sum
DDITIONI
Nolution Rounding off the addends to the nearest Tens,
xample 11:
March and
8494-8490 and 439 440
low many P
Thus, the estimated sum is 8490 + 440 = 8930.
Example 9: Estimate the sum of 2312, 3298 and 2774 to the
iolution:
Hundreds
Jumber of
Solution: Rounding off the addends to the nearest Hundreds
Jumber o
23122300, 3298 3300 and 2774 2800
'otal nun
Thus, the estimated sum is 2300 + 3300 + 2800 = 8400.
"hus, 82
Example 10: Rahul bought a set of 8 paintbrushes, 36 sticks of oil
Exampl
ind 340
Rell in
uht in total
Soluti​

Answer 1

Answer:

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