Estimate the following to the nearest ten.
351+249
351 rounded off to the nearest ten =350
249 rounded off to the nearest ten =250
Hence, the required estimated sum =350+250
=600
Hence, the required estimated sum is 600.
Estimate the following sum to its nearest ten:
67+40
Estimate the following difference to its nearest ten:
689-432
Estimate the following by rounding to the nearest tens:
23406+16708
Estimate the product of 1049 × 351 by rounding off both numbers to nearest 100's.
Estimate the following product by rounding off each number to its nearest ten:
67X33