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Chapter 1 Worksheet 2 | Numbers upto 99,99,99,999 | Class-5 DAV Primary Mathematics
Unit 1 Worksheet 2 || Numbers upto 99,99,99,999
1. Write down the periods and corresponding places of an 8-digit number.
Answers:
| Periods | Places |
| Ones | Ones, Tens, Hundred |
| Thousand | Thousand, Ten Thousands |
| Lakhs | Lakhs, Ten Lakhs |
| Crores | Crores |
2. Read aloud the following numerals. Also, write their number names.
(a) 4,86,29,183
Answer (a): Four crore eighty six lakh twenty nine thousand one hundred.
(b) 2,60,15,354
Answer (b): Two crore sixty lakh fifteen thousand three hundred fifty four.
(c) 7,98,71,010
Answer (c): Seven crore ninety eight lakh seventy one thousand ten.
(d) 2,05,31,229
Answer (d): Two crore five lakh thirty one thousand two hundred twenty nine.
(e) 9,00,71,318
Answer (e): Nine crore seventy one thousand three hundred eighteen.
(f) 8,70,01,100
Answer (f): Eight crore seventy lakh one thousand one hundred.
(g) 5,10,00,700
Answer (g): Five crore ten lakh seven hundred
(h) 6,00,00,006
Answer (h): Six crore six
(i) 4,58,79,515
Answer (i): Four crore fifty eight lakh seventy nine thousand five hundred fifteen.
(j) 2,09,85,742
Answer (j): Two crore nine lakh eighty five thousand seven hundred forty two.
(k) 9,43,02,001
Answer (k): Nine crore forty three lakh two thousand one.
(l) 4,43,21,056
Answer (l): Four crore forty three lakh twenty one thousand fifty six.
3. Write down the smallest and greatest numerals of 8-digits.
Answer (3):
Smallest 8-digit number = 1,00,00,000
Largest 8-digit number = 9,99,99,999
4. Write the numerals using commas between periods.
(a) Five crore thirty lakh sixteen thousand nineteen.
Answer: 5,30,16,019
(b) Three crore one lakh forty seven thousand two hundred.
Answer: 3,01,47,200
(c) One crore fifteen thousand nine hundred sixty three.
Answer: 1,00,15,963
(d) Two crore ninety five lakh fifty two thousand two hundred seventy six.
Answer: 2,95,52,276
(e) Nine crore nine.
Answer: 9,00,00,009
(f) Six crore twenty thousand twenty.
Answer: 6,00,20,020
(g) One crore one lakh one thousand one.
Answer: 1,01,01,001
(h) Four crore forty lakh four hundred fourteen.
Answer: 4,40,00,414
(i) Eight crore thirteen lakh five.
Answer: 8,13,00,005
(j) One crore thirty two lakh nineteen.
Answer: 1,32,00,019