Number Names and Expanded Form
Try These (1) Solution
Read and expand the numbers
Question (1) 50000
Answer
Number Name: Fifty thousand
Expanded Form: 5 × 10000
Question (2) 41000
Answer
Number Name: Forty one thousand
Expanded Form:
4 × 10000 + 1000
Question (3) 47300
Answer
Number Name: Forty seven thousand three hundred
Expanded Form:
4 × 10000 + 7 × 1000 + 3 × 100
Question (4) 57630
Answer
Number Name: Fifty seven thousand six hundred thirty
Expanded form:
5 × 10000 + 7 × 1000 + 6 × 100 + 3 × 10
Question (5) 29485
Answer
Number Name: Twenty nine thousand four hundred eighty five
Expanded Form:
2 × 10000 + 9 × 1000 + 4 × 100 + 8 × 10 + 5
Question (6) 29085
Answer
Number name: Twenty nine thousand eighty five
Expanded Form:
2 × 10000 + 9 × 1000 + 8 × 10 + 5
Question (7) 20085
Answer
Number Name: Twenty thousand eighty five
Expanded form:
2 × 10000 + 8 × 10 + 5
Question (8) 20005
Answer
Number name: Twenty thousand five
Expanded form:
2 × 10000 + 5
Write five more 5-digit numbers, read them and expand them
Example Question (1) 51235
Answer
Number Name: Fifty one thousand two hundred thirty five
Expanded Form:
5 × 10000 + 1 × 1000 + 2 × 100 + 3 × 10 + 5
Example Question (2) 89532
Answer
Number Name: Eighty nine thousand five hundred thirty two
Expanded Form:
8 × 10000 + 9 × 1000 + 5 × 100 + 3 × 10 + 2
Example Question (3) 62587
Answer
Number Name: Sixty two thousand five hundred eighty seven
Expanded Form:
6 × 10000 + 2 × 1000 + 5 × 100 + 8 × 10 + 7
Example Question (4) 91565
Answer
Number Name: Ninty one thousand five hundred sixty five
Expanded Form:
9 × 10000 + 1 × 1000 + 5 × 100 + 6 × 10 + 5
Example Question (5) 26352
Answer
Number Name: Twenty six thousand three hundred fifty two
Expanded Form:
2 × 10000 + 6 × 1000 + 3 × 100 + 5 × 10 + 2
Try These (2) Solution
Read and expand the numbers wherever there are blanks
Question (1) 4,57,928
Answer
Number Name: Four lakh fifty seven thousand nine hundred twenty eight
Expanded Form:
4 × 100000 + 5 × 10000 + 7 × 1000 + 9 × 100 + 2 × 10 + 8
Question (2) 4,07,928
Answer
Number Name: Four lakh seven thousand nine hundred twenty eight
Expanded Form:
4 × 100000 + 7 × 1000 + 9 × 100 + 2 × 10 + 8
Question (3) 4,00,829
Answer
Number Name: Four lakh eight hundred twenty nine
Expanded Form:
4 × 100000 + 8 × 100 + 2 × 10 + 9
Question (4) 4,00,029
Answer
Number Name: Four lakh twenty nine
Expanded Form:
4 × 100000 + 2 × 10 + 9
Try These (3) Solution
Question (1) What is 10 – 1 = ?
Answer
10 – 1 = 9 Answer
Question (2) What is 100 – 1 = ?
Answer
100 – 1 = 99 Answer
Question (3) What is 10,000 – 1 = ?
Answer
10,000 – 1 = 9,999 Answer
Question (4) What is 1,00,000 – 1 = ?
Answer
1,00,000 – 1 = 99,999 Answer
Question (5) What is 1,00,00,000 – 1 = ?
Answer
1,00,00,000 – 1 = 99,99,999 Answer
Try These (4) Solution
Question (1) Give five examples where the number of things counted would be more than 6-digit number.
Answer
(a) The distance from earth to the moon
Explanation The distance from the earth to moon is 38,44,00,000 meter.
So the distance is denoted using more than 6-digits
(b) The speed of light
Explanation The speed of light is 30,00,00,000 meter per second
So the speed of light is denoted using more than 6-digits
(c) The population of India
Explanation The population of India is about as per estimation 140,00,00,000
So the population of India is denoted using more than 6-digits
(d) The number of starts
Explanation The number of stars are countless.
So, if we would be above to count the number of stars it will be more than 6-digits.
(e) The distance between Srinagar to Kanyakumari will be more than six digits if we calculate it in meter.
Explanation
The distance between Srinagar to Kanyakumari is about 3636 km.
If we convert it into meter then it will be 36,36,000 meter. So this is a number having more than 6-digits.
Question (2) Starting from the greatest 6-digit number, write the previous five numbers in descending order.
Answer
The greatest 6-digit number = 9,99,999
Five previous numbers to 9,99,999 in the descending order are
(a) 9,99,998 (b) 9,99,997 (c) 9,99,996 (d) 9,99,995 (e) 9,99,994
Question (3) Starting from 8-digit number, write the next five numbers in ascending order and read them.
Answer
One of the five digit number is 12,345
Number name: Twelve thousand three hundred forty five
Next five numbers in ascending order to 12,345 are
(a) 12,346 (Number name: Twelve thousand three hundred forty six)
(b) 12,347 (Number name: Twelve thousand three hundred forty seven)
(c) 12,348 (Number name: Twelve thousand three hundred forty eight)
(d) 12,349 (Number name: Twelve thousand three hundred forty nine)
(e) 12,350 (Number name: Twelve thousand three hundred fifty)