The DAV Class 5 Maths Book Solutions Pdf and DAV Class 5 Maths Chapter 1 Worksheet 1 Solutions of Numbers up to 99,99,99,999 offer comprehensive answers to textbook questions.
DAV Class 5 Maths Ch 1 Worksheet 1 Solutions
Question 1.
Write the number names for the following numeral using commas between periods. Also read them aloud.
(a) 4935087
Solution:
49,35,087 – Forty nine lakh thirty five thousands eighty seven.
(b) 9300432
Solution:
93,00,432 – Ninety three lakh four hundred thirty two.
(c) 7080201
Solution:
70,80,201 – Seventy lakh eighty thousands two hundred one.
(d) 1011001
Solution:
10,11,001 – Ten lakh eleven thousand one.
(e) 9005430
Solution:
90,05,430 – Ninety lakh five thousand four hundred thirty.
(f) 6358004
Solution:
63,58,004 – Sixty three lakh fifty eight thousand four.
(g) 7183010
Solution:
71,83,010 – Seventy one lakh eighty three thousand ten.
(h) 9999999
Solution:
99,99,999 – Ninety nine lakh ninety nine thousand nine hundred ninety nine.
(i) 9090009
Solution:
90,90,009 – Ninety lakh ninety thousand nine.
(j) 4904078
Solution:
49,04,078 – Forty nine lakh four thousand seventy eight.
(k) 3520179
Solution:
35,20,179 – Thirty five lakh twenty thousand one hundred seventy nine.
(l) 2200050
Solution:
22,00,050 – Twenty two lakh fifty.
Question 2.
Complete the table by writing the period, place and place value of the encircled digits.
Solution:
Question 3.
Write the numeral using commas between period.
(a) Eighty one lakh thirty six thousand two hundred ninety six.
Solution:
81,36,296
(b) Thirty four lakh seventeen thousand one hundred two.
Solution:
34,17,102
(c) Seven lakh eight thousand nine hundred five.
Solution:
7,08,905
(d) Forty lakh eighty nine thousand nine hundred five.
Solution:
40,89,905
(e) Ninety three lakh six thousand six.
Solution:
93,06,006
(f) Thirty eight thousand thirteen.
Solution:
38,013
(g) Sixty three lakh sixty thousand sixty.
Solution:
63,60,060
(h) Twenty lakh two.
Solution:
20,00,002
(i) Thirteen lakh six thousand five.
Solution:
13,06,005
(j) Forty eight lakh ninety thousand three hundred.
Solution:
48,90,300
Review Exercise
Question 1.
Write the period, place and place value of the encircled digit in the following numbers.
Solution:
| Period | Place | Place Value |
| (a) Thousands | Thousands | 8,000 |
| (b) Thousands | Thousands | 0 |
| (c) Ones | Tens | 80 |
| (d) Lakhs | Lakhs | 4,00,000 |
| (e) Ones | Tens | 20 |
| (f) Thousands | Ten thousands | 50,000 |
Question 2.
Rewrite the following in ascending order.
(a) 4,83,654; 43,865; 4,38,654; 4,38,854
Solution:
43,865; 4,38,654; 4,38,854; 4,83,654
(b) 91,089; 9,10,849; 9,19,098; 9,14,089
Solution:
91,089; 9,10,849; 9,14,089; 9,19,098
Question 3.
Write the number names for the following numerals.
(a) 53,701
Solution:
53,701 – Fifty three thousand seven hundred one.
(b) 91,001
Solution:
91,001 – Ninety one thousand one.
(c) 8,08,808
Solution:
8,08,808 – Eight lakh eight thousand eight hundred eight.
(d) 4,40,404
Solution:
4,40,404 – Four lakh forty thousand four hundred four.
(e) 9,00,009
Solution:
9,00,009 – Nine lakh nine.
(f) 6,08,316
Solution:
6,08,316 – Six lakh eight thousand three hundred sixteen.
Question 4.
Fill in the blanks.
(a) The smallest 5-digit numeral = …………
Solution:
10,000
(b) The successor of 99,999 = …………
Solution:
1,00,000
(c) The numeral for four lakh four = …………
Solution:
4,00,004
(d) One lakh = …….. thousands.
Solution:
100
(e) 3,00,000 + 8,000 + 50 + 1 = …………
Solution:
3,08,051
DAV Class 5 Maths Chapter 1 Worksheet 1 Notes
- The smallest 7-digit number is 10,00,000 (ten lakh)
- 9,99,999 is the greatest 6-digit number.
- The smallest 6-digit number is 1,00,000 (One lakh)
- Hindu Arabic system of numeration. In this system we use ten symbols, namely 0, 1, 2, 3, 4, 5, 6, 7, 8 and 9.
- The place value of 0 is always 0.
While reading the numeral of a number, all the digits of a period and the name of the period (except ones) are read together.
Indian Place Value Chart
| Lakhs | Thousands | Ones | |||
| Lakhs | Ten Thousands | Thousands | Hundreds | Tens | Ones |
| 1 | 0 | 0 | 0 | 0 | 0 |
Numbers Beyond 9,99,999
1 + 9,99,999 = 10,00,000 (ten lakh)
We have added 1 more column to left in Indian Place Value Chart
| Lakhs | Thousands | Ones | ||||
| Ten Lakhs | Lakhs | Ten Thousands | Thousands | Hundreds | Tens | Ones |
| 1 | 0 | 0 | 0 | 0 | 0 | 0 |
The smallest 7-digit number is 10,00,000
e.g. Write Number Name
59,84,070 – Fifty nine lakh eight four thousands seventy.
99,99,999 – Ninety nine lakh ninety nine thousands nine hundred ninety nine.
It is the greatest 7-digit number.