Page 134 - New Medley 4 Semester 1

B. Estimate the sum by rounding to the nearest hundreds.
1. 21457 + 76538

2. 214724 + 752541

3. A company sold 25875 cars in the first year and 22571 cars in the

second year. Estimate the number of cars sold by the company in the
two years by rounding to the nearest hundreds.

C. Estimate the sum by rounding to the nearest thousands.

1. 19812 + 77745

2. 421241 + 157625

3. A book exhibition was held in the city. 27719 people visited this
exhibition on the first day and 34189 people visited it on the second
day. Estimate the number of people who visited the exhibition in the
two days by rounding to the nearest thousands.

D. Estimate the sum by rounding to the nearest ten thousands.
1. 17782 + 24747

2. 159541 + 242067

3. Mohan has a collection of 39721 coins. His brother has a collection of
12287 coins. Estimate the number of coins the two brothers have by

rounding to the nearest ten thousands.

E. Estimate the sum by rounding to the nearest lakhs.
1. 569912 + 127745

2. 275249 + 337626

3. Mohit has a bank balance of `414561 and his wife has a bank balance of

`471212. Estimate their total bank balance by rounding to the nearest
lakhs.

Subtraction of 5- and 6-Digit Numbers

Taking away some number or an object from a group is called subtraction.

When we talk of numbers subtraction is taking away a smaller number from
a bigger number. The numbers that we subtract from is called subtrahend.

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