Tamilnadu Samacheer Kalvi 4th Maths Solutions
Term 1
Chapter 2
Numbers Ex 2.7
Question 1.
Add the
following numbers.
(a) 216,
3422, 4019, 497
(b) 1002,
2347, 1976, 2005, 2007
(c) 1978,
1965, 2704, 473
Answer:
(a) 216,
3422, 4019, 497
216 +
3422 + 4019 + 497 = 8156
216 +
3422 +
4019 +
497 =
8156
(b) 1002, 2347, 1976, 2005, 2007
1002 +
2347 +
1976 +
2005 +
2007 =
9337
(c) 1978, 1965, 2704, 473
1978 +
1965 + 2704 + 473 = 7120
1978 +
1965 +
2704 +
473 =
7120
Question 2.
Add the
total amount of the following 4 piggy banks.
Answer:
₹ 978 + ₹
3796 + ₹ 2374 + ₹ 1957 = ₹ 9105
Question 3.
The sum
of 1215 + 2367 + 1673 +3120 = ______
(a) 8585
(b) 8225
(c) 8375
(d) 8285
Answer:
(c) 8375
Question 4.
2076 +
276 + 2974 + 1751 =______
(a) 9561
(b) 7077
(c) 7377
(d) none
of these
Answer:
(b) 7077
2076 +
276 + 2974 + 1751 = 7077
Question 5.
What is
the sum of five hundreds and fifteen tens?
(a) 650
(b) 550
(c) 5150
(d) 6150
Answer:
(a) 650
Five
hundred = 500
Fifteen
Tens = 150
sum =
500 + 150 = 650
Question 6.
The sum
of the greatest 3 digit number and the smallest 4 digit number is
(a) 1999
(b) 1099
(c) 1990
(d) 9999
Answer:
(a) 1999
3 –
digit greatest number = 999
4 – digti
smallest number = 1000
sum =
999 + 1000
Question 7.
9999 + 1
= ________
(a)
10,000
(b) 1000
(c) 1001
(d) 10001
Answer:
(a)
10,000
Question 8.
In a
village the number of males is 4154 and the number of females is 4221. Find the
total population in the village?
Answer:
Males =
4154
females
= 4221
Total
population = 4154 + 4221
= 8375
Question 9.
A
refrigerator costs f 6543 and a DVD player
costs Rs 3412. What is the total cost?
Answer:
Cost of
refrigerator = ₹ 6543
Cost of
DVD player = ₹ 3412
Total =
₹ 6543 + ₹ 3412
= ₹ 9955
தமிழ் கல்வி
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