Question

Aisha changed 1.45 + 2.38 to 1.5 + 2.4 in order to estimate the sum. What estimation method did she use?

Answer 1

Answer:

she used the method of omission of decimal place if the next number is less than 5 we omit that number

or if the next number of the decimal is greater than 5 add 1 to the preceding number in the decimal