Exercise 2.4 - Chapter 2 Numbers Term 1 5th Maths Guide Samacheer Kalvi Solutions - SaraNextGen [2024-2025]

Updated On May 15, 2024

By SaraNextGen

Ex $2.4$
Question 1.
Write the number name
a. $11000 \quad$ Eleven thousand.
b. 34000
c. 100000
d. 98,364 Ninety eight thousand three hundred and sixty four.
e. 37,689
f. $46,763 \quad$ Forty six thousand seven hundred and sixty three.
g. $4,00,000$
h. $12,00,000$
Answer:
a. 11000 - Eleven thousands
b. 34000 - Thirty four thousands
c. 100000 - One lakh
d. 98,364 - Ninety eight thousand three hundred and sixty four
e. 37,689 - Thirty seven thousands six hundred and eighty nine
f. 46,763 - Forty six thousands seven hundred and sixty three
9- 4,00,000 - Four lakhs
h. $12,00,000$ - Twelve lakhs
 

Question $2 .$
Answer the following Represent given values in Abacus.

a. 3 tens crores, 7 crores, 6 ten lakhs, 7 lakhs, 4 tens and 7 ones

Answer:

3 tens crores, 7 crores, 6 ten lakhs, 7 lakhs, 4 tens and 7 ones = 37,67,00,047

b. Find the place value of 7 and 4 of this numbers 34578910.

Answer:

The place value of 7 is $7 \times 10000=70,000$
The place value of 4 is $4 \times 1000000=40,00,000$

c. Write in numerals.
a. One crore forty thousands and four.
b. Sixty four lakhs and three.
Answer:
a. One crore forty thousands and four.
$=1,00,40,004$
b. Sixty four lakhs and three.
$=64,00,003$

d. Write the number names of the following numbers represented in the Abacus

Answer:
Figure 1
$9,52,86,341$
Nine crores Fifty two lakhs eighty six thousands three hundred and forty one.
Figure 2
$2,56,79,438$
Two crores fifty six lakhs seventy nine thousands four hundred and thirty eight.

e. How many lakhs and hundreds are there in the numbers represented by the Abacus given above.
Ans:
Figure 1: There are 2 lakhs and 3 hundreds.
Figure 2: There are 6 lakhs and 4 hundreds.

f. Find the sum of greatest 4-digit number and smallest 5-digit numbers.
Answer:
The greater 4 digit number $=9,999$
The smallest 5 digit number $=10,000$
Sum $=9,999+10,000$
$=19,999$

g. Write the following ascending and descending order.
a. 33,$058 ; 40,978 ; 97,879 ; 81,421 ; 90,470 ; 47,224$
b. 99,$999 ; 11,111 ; 22,222 ; 33,333 ; 44,444 ; 66,666$
Answer:
a. 33,$058 ; 40,978 ; 97,879 ; 81,421 ; 90,470 ; 47,224$
Ascending order: 33,$058 ; 40,978 ; 47,224 ; 81,421 ; 90,470 ; 97,879$
Descending order: 97,$879 ; 90,470 ; 81,421 ; 47,224 ; 40,978 ; 33,058$
b. 99,$999 ; 11,111 ; 22,222 ; 33,333 ; 44,444 ; 66,666$
Ascending order: 11,$111 ; 22,222 ; 33,333 ; 44,444 ; 66,666 ; 99,999$
Descending order: 99,$999 ; 66,666 ; 44,444 ; 33,333 ; 22,222 ; 11,111$

h. Write in standard form: 7 lakhs $+5$ thousands $+4$ tens $+3$ ones
Answer:
7,05,043

i. Add 5 thousands and 3 hundreds to this number $1,34,510$.
Answer:
$1,34,510+5300=139810$

j. Subtract smallest 6-digit numbers from greatest 7 -digit numbers.
Answer:
Greater 7 digit number $=99,99,999$