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.

How many thousands make a lakh?

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. 9718 + 3833 = ?

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

Q. Find the GCD:

(12) 45, 42, 88

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

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

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. 10000-4561

Q.

Fill in the blanks:

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

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. Find the GCD:

(10) 777, 315, 588

Q. Find the GCD:

(8) 105, 154

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

Q. A train timetable must be compiled for various days of the week so that two trains twice a day depart for three days, one train daily for two days, and three trains once a day for two days. How many different timetables can be compiled?

1. $140$
2. $210$
3. $133$
4. $72$