Estimating Product for Large Numbers

Q.

Estimate the product of the number 53873 and the place value of 7 in the number.

Q.

Estimate the value of $31528+63,82,543+2,16,74,52,548$ to the nearest ten thousands and then compare it with the actual sum.

Q.

Estimate the product of 4789 and 346 by rounding off the first number to the nearest hundreds and second number to the nearest tens.

1. 15, 00, 000

2. 16, 00, 000

3. 16, 30, 000

4. 16, 32, 000

Q.

Round off $5,67,40,23,981$ to the nearest tens, hundred and thousands.

Q. Estimate the following product using general rule:
9, 250 × 29

Q.

Estimate the product of 28 and 37 to nearest ten.

1. 1100

2. 1036

3. 1200

4. 1300

Q.

Estimate the product of 456 and 82 by rounding off 456 to the nearest hundreds and 82 to the nearest tens.

1. 30, 000

2. 40, 000

3. 32, 000

4. 36, 000

Q.

Round off $12,05,392$ to the nearest tens, hundred and thousands.

Q. Estimate the product using the general rule:
5261 × 309

1. 1500000
2. 1400000
3. 1515000
4. 1500005

Q.

The estimated value of 829 to the nearest tens is:

1. 830

2. 825

3. 800

4. 820

Q.

Sum 3537 + 3884 to nearest tens is

1. 7400

2. 1000

3. 7430

4. 7420

Q.

Maya bought 280 bags. Each bag cost her ₹ 152 . Estimate the money spent, by rounding off 280 to the nearest hundred and 152 to the nearest ten.

1. ₹ 40, 000

2. ₹ 48, 000

3. ₹ 45, 000

4. ₹ 42, 000

Q.

The estimated product of 67 × 62 is 4200

1. True

2. False

Q.

Neha wants to estimate the product of 293 and 724. What would be the BEST way to do so?

1. $200\times 700$

2. $300\times 700$

3. $300\times 750$

4. $300\times 800$

Q.

Estimate the following quotients.

e) $5,702÷310$

Q. The north division is invited to a party and it has a total of 178 offices and each office has 79 employees. Estimate the number of people who will attend the party by rounding off the employees to the nearest tens and the number of offices to the nearest hundreds.

Q.

A party has been organised and 345 offices have been invited. Each office has nearly 1729 employees. Can you estimate the number of people who will attend the party, by rounding off the number of employees to the nearest thousands and the number of offices to the nearest hundreds?

1. 300000
2. 510000
3. 600000
4. 800000

Q.

Estimate the product of 956 and 78 by rounding off 956 to the nearest hundreds and 78 to the nearest tens.

1. 80, 000

2. 92, 000

3. 90, 000

4. 70, 000

Q. A shopkeeper sells 375 biscuit packets on Monday and 583 on Tuesday. How many packets (rounded off to nearest tens) were sold in these two days?

1. 950
2. 1000
3. 960
4. 900

Q.

Estimate $9876+4235$ to the nearest thousand.

Q. A shopkeeper sells 5281 packets on Saturday and 3491 on Sunday. How many packets (rounded off to nearest hundreds) were sold in the weekend?

Q.

Neha wants to estimate the product of 293 and 724. What would be the BEST way to do so?

1. $200\times 700$

2. $300\times 700$

3. $300\times 750$

4. $300\times 800$

Q. Maya bought 280 bags. Each bag cost her ₹ 152 . Estimate the money spent, by rounding off 280 to the nearest hundred and 152 to the nearest ten.

Q.

The north division is invited to a party and it has a total of 178 offices and each office has 79 employees. Estimate the number of people who will attend the party by rounding off the employees to the nearest tens and the number of offices to the nearest hundreds.

1. 800
2. 1600
3. 8000
4. 16000

Q. Estimate the product to nearest tens.
(a) 39 x 42

Q.

Estimate the product of 958 $\times$ 387 by rounding off each factor to its greatest place.

1. 45000

2. 400000

3. 350000

4. 34000

Q.

Estimate $61351+24613$ to the nearest thousand

Q.

APPROXIMATING A LARGE NUMBER

Round the number. Write the result as a product of a single digit and a power of $10$.

$1,003,111,391,008$

Q. Estimate the following product using general rule:
9, 250 × 29

Q.

Estimate the following product using general rule: 578 × 161

1. 60, 000

2. 1, 00, 000

3. 1, 20, 000

4. 50, 000