Math, June 24,2020
Topic taught: Ch2- Addition and subtraction(revision)
Estimating sums and differences
revision exercise
Q. Estimate the sum and difference by rounding off to the nearest place as directed. Also find the actual sum and difference.
a. 28,935 + 61,027 to the nearest 10.
b. 14,657 + 79,345 to the nearest 1000.
c. 89,173 - 56,792 to the nearest 100.
d. 46, 108 + 29,334 to the nearest 100.
e. 1,75,165 - 1,27,224 to the nearest 10.
Home work : Complete the exercises of chapter 2 in the notebook (given in the month of April)
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