Estimation of a number is a reasonable guess of the actual value to make calculations easier and realistic. Estimation means approximating a quantity to the required accuracy. This is obtained by rounding off the numbers involved in the calculation and getting a quick and rough answer.

To find a value that is close enough to the right answer, usually with some thought or calculation involved. Example: Alex estimated there were 10,000 sunflowers in the field by counting one row then multiplying by the number of rows. Estimation (Introduction)

Apr 25, 2020 · Estimation is the process of evaluating a quantity when the situation calls for a tentative or "rough" number. Estimation is not merely "guessing." It helps to define estimation and understand that an estimate, a reasonable one, depends on mathematical understandings of both measurement and numerosity.

Home > Math Vocabulary > Estimate. Approximate calculation or round the number to the nearest place value.

Definition Of Estimate. To estimate is to find a number that is close to the exact answer. Example of Estimate. A pen costs $4.15. Estimate the cost of 5 such pens. $4.15 is closer to $4 than $5. So, the cost of 5 such pens would be about $20. Video …

estimate. • to make an approximate calculation, often based on rounding. EXAMPLES: Rounding Rules. more than 5 > up. less than 5 < down. ~ for decimal fractions. 1.