Standard Notation and Expansion of Numbers

Q.

1 crore is equal to how many thousand

Q. Write the number in short form (standard notation) 80, 00, 000 + 40, 000 + 6, 000 + 300 + 30 + 5.

1. 80, 46, 335
2. 80, 64, 353
3. 80, 46, 353
4. 80, 43, 335

Q.

How many thousands make a crore?

1. 10

2. 1000

3. 10000

4. 100

Q.

Using shorter method, find (1) 3246 + 9999 (2) 7501 + 99999

Q. Write the number 34867 in expanded form.

Q. What is the expanded form of 4564?

1. 4, 000 + 500 + 60 + 4
2. 4, 000 + 50 + 6 + 4
3. 4, 000 + 500 + 40 + 6
4. 4, 000 + 500 + 50 + 4

Q. Write the numbers in short form:
2000 + 500 + 60 + 3

1. 2, 563
2. 2, 653
3. 2, 536
4. 2, 635

Q.

Question 42
In the following question, state whether the given statement is true (T) or false (F).
39746 = 3 × 10000 + 9 × 1000 + 7 × 100 + 4 × 10 + 6

Q. Estimate the following by rounding off each number to its greatest place:

(i) 439 + 334 + 4, 317
(ii) 8, 325 − 491
(iii) 1, 08, 734 − 47, 599
(iv) 898 × 785
(v) 9 × 795
(vi) 87 × 317

Q.

Write the number $131$ in words.

Q. Write the expanded form of the 4369.

1. 4000 + 300 + 60 + 9
2. 3000 + 400 + 60 + 9
3. None of the above
4. 4000 + 600 + 30 + 9

Q. Using special methods, find 43528×999

1. 43484472

2. 43485472

3. 43584472

4. 44484472

Q.

Write thepredecessor of:

(a) 94 (b) 10000

(c) 208090 (d) 7654321

Q.

Write in an expanded form? Place commas correctly for each of the numbers.

(a) 74836
(b) 574021
(c) 8907010
(d) 99999999
(e) 100001
(f) 545

[3 MARKS]

Q.

How many thousands make a lakh?

Q. 9718 + 3833 = ?

1. 13441
2. 12551
3. 13551
4. 12431

Q.

Find the value of the following

3845 × 5 × 782 + 769 × 25 ×218

Q. Find the GCD:

(12) 45, 42, 88

Q. 10000-4561

Q. Put the appropriate symbols (<, >) in each of the following boxes:

(i) 102394 $\boxed{}$ 99887
(ii) 2507324 $\boxed{}$ 2517324
(iii) 3572014 $\boxed{}$ 10253104
(iv) 47983505 $\boxed{}$ 47894012

Q. What is the expanded form of 4564?

1. 4, 000 + 500 + 60 + 4
2. 4, 000 + 50 + 6 + 4
3. 4, 000 + 500 + 40 + 6
4. 4, 000 + 500 + 50 + 4

Q. Find the sum of place value of digit 7 in 760854321 . Hence write the resulting number in words in the international system of numeration

Q. Find the missing number in the following series :
2, 6, 14, 26

1. 50
2. 59
3. 42
4. 38

Q.

Write the number 34879 in expanded form.

1. $3\times 10000+4\times 1000+7\times 10$ $+9\times 1$

2. $3\times 10000+4\times 100+8\times 100$ $+7\times 10+9\times 1$

3. $3\times 10000+4\times 1000+8\times 100$ $+7\times 10+9\times 0$

4. $3\times 10000+4\times 1000+8\times 100$ $+7\times 10+9\times 1$

Q. Find the GCD:

(8) 105, 154

Q. Write the expanded form of 4856.

1. $8\times 1000+4\times 100+5\times 10+6$
2. None of the above
3. $4\times 100+8\times 100+5\times 10+6\times 1$
4. $4\times 1000+8\times 100+5\times 10+6\times 1$

Q.

Fill in the blanks:

$\left(\mathrm{b}\right)43\mathrm{kg}=\mathrm{g}$

Q. Find the GCD:

(10) 777, 315, 588

Q. Which of the following is the expanded form of 57643?

Q. Carry out the following multiplication in the easier way, using the properties.

(5) 8 × 568 × 125