Estimation of Numbers

Q. What would rounding off 9999 to the nearest thousands be?

1. 10, 000
2. 1000
3. 9990
4. 9995

Q. Round off 8008 to the nearest tens.

Q. Round off 78.25 m to the nearest tens.

1. 75 m
2. 80 m
3. 79 m
4. 78 m

Q.

Round off the following numbers to the nearest tens, hundreds and thousands.

Q. The distance between earth and mercury is 1, 72, 232, 646 kilometers. Round the distance to the nearest ten thousands.

1. 1, 72, 232, 000
2. 1, 72, 240, 000
3. 1, 72, 230, 000
4. 1, 72, 232, 700

Q.

Estimate the following by rounding off to nearest hundreds :

$11244+3507$

Q. What would rounding off 9999 to the nearest thousands be?

1. 10, 000
2. 1000
3. 9990
4. 9995

Q.

Find the value of a:
$786=a\times 7+10\times 8+1\times 6$

1. 10

2. 1000

3. 7

4. 100

Q.

Simplify using the properties of the whole number.

$999\times 9999$

Q.

Expand using brackets: 7 × 109

Q.

Estimate the sum of the following numbers.

$4,56,893;10,24,933$

Q. What would rounding off 7699 to the nearest thousands be?

1. 9000
2. 10, 000
3. 7000
4. 8000

Q. A park measures 5932 meters in length. How long is the park to the nearest hundreds meters?

1. 5800
2. 5900
3. 6000
4. 5930

Q.

Estimate the sum.

$1,934+3,945$

Q.

46 $\times$ 35 = ?

1. 1510
2. 1450
3. 1610
4. 1540

Q.

Estimate the following.

$834\times 28$

Q. Write the number 34867 in expanded form.

Q.

Estimate the following.

$7,893÷18$

Q. Estimate and solve to the nearest thousands 3712+7167​.

Q.

Estimate the sum.

$2,016+3,840$

Q. Round off 1613 to the nearest thousands.

1. 1620
2. 1600
3. 1000
4. 2000

Q. 2314 rounded off to the nearest thousand is 2000.

1. False
2. True

Q. Write the expanded form of 93, 452.

1. $9\times 10,000+3\times 1000+4\times 100+5\times 10+2\times 1$
2. $9\times 10,000+4\times 1000+3\times 100+5\times 10+2\times 1$
3. $9\times 10,000+9\times 1000+3\times 100+5\times 10+2\times 1$
4. $9\times 10,000+9\times 1000+3\times 100+4\times 10+2\times 1$

Q. $\text{Expand}34879$

Q. 356 rounded off to the nearest 100 is 400.

1. False
2. True

Q. Estimate the following numbers to the nearest 100.

1. 600
2. 400
3. 700
4. 300

Q.

188 estimated to the nearest hundreds gives ______.

1. 200
2. 180
3. 170
4. 100

Q. Pair the numbers with their respective values rounded off to the nearest tens.

1. 16
2. 13
3. 31
4. 39
5. 10
6. 20
7. 30
8. 40

Q. Round off 1613 to the nearest thousands.

1. 1620
2. 1600
3. 1000
4. 2000

Q. Round off 48 to the nearest tens.

1. 50
2. 40
3. None of the above
4. 45