Estimating sum or difference

Q.

A book exhibition was held for four days in a school. The number of tickets sold at the counter on the first, second, third and final day was respectively $1094,$ $1812$, $2050$ and $2751$. Find the total number of tickets sold on all the four days.

Q.

Find the sum of face value and place value of the digit $5$ in the given number $456,789$.

Q.

Find the difference between the place values of $5$ in $95,23,165$.

Q. The population of India in 1990 was 121, 99, 567. It increased next year by 3, 89, 876. What was the population of India in the year of 1991?

1. 1, 25, 89, 443
2. 1, 25, 79, 443
3. 1, 26, 89, 843
4. 2, 25, 57, 473

Q.

Find the difference of the place value and the face value of the digit $5$ in $715432$

Q.

Estimate: 5, 873 - 436 to the nearest hundreds.

1. 5600
2. 6000
3. 5900
4. 5400

Q.

Estimate the following result:

$6398+17928$.

Q.

Find the difference of the place values of two 6s in the numeral 4, 63, 21, 426

Q.

Round to the nearest hundred:

518

Q.

In $2005$ there were $25,30,145$teachers working in primary schools in India. In the same year there were $20,11,049$ teachers in upper primary schools, $8,25,935$ teachers in Secondary School and $5,25,622$ teachers in Higher Secondary School. What was the total number of school teachers in India in $2005.$

Q.

Round off $13097$ to the nearest tens.

Q. If Arun and Mohan has 2369 and 2396 candies respectively, then the number of extra candies that has is

1. Mohan
2. Arun
3. 265
4. 27
5. 33

Q.

Write the difference between the place value and the face value of $3$ in the following numerals using Indian place-value system:

$83$

Q.

The monthly expense of Pavan in the month of July was ₹40, 000 and in the month of June was ₹35, 000. If his monthly income is ₹60, 000. In which month did he save more?

1. June

2. July
3. Same in both the months.
4. Insufficient information

Q.

In 2001-02, India produced 1, 69, 490 tonnes of coffee. The quantity of coffee produced during 2002-03, 2003-04 and 2004-05 were 1, 49, 514 tonnes , 1, 24, 325 tonnes and 1, 96, 213 tonnes, respectively. What is the total quantity of coffee produced by India during 2001-05?

Q.

Round off $8603$ to the nearest thousands.

Q.

Find the approximate value of $4025693$ to the nearest Lakh.

Q.

Find the difference between the place value and the face value of the digit $9$ in the number $229301$.

Q.

Round off $3402$ to the nearest thousands.

Q.

Estimate the sum by rounding off the number to the nearest hundreds:$587+182$

Q.

Estimate the product : $92x697$

Q. A box of medicine tablets contains 2, 00, 000 tablets each weighing 20 mg. What is the total weight of all the tablets in the box in grams and in kilograms?

Q.

Estimate the products : $28x67$

Q.

In the flower exhibition conducted at Ooty for 4 days the number of tickets sold on the first, second, third and fourth days are 1, 10, 010; 75, 070; 25, 720 and 30, 636 respectively. Find the total number of tickets sold.

Q.

Round to the nearest ten:

5802

Q.

Jagan bought a new house for $3,465,700$. Find the difference between the place values of $6$ and $5$ in the given amount.

Q.

Estimate the products : $79x192$

Q.

Round to the nearest hundred:

$7714$

Q.

Round off $948$ to the nearest hundred.

Q.

Round off $51342$ to the nearest thousands.