Page 42 - ICSE Math 5

Progress Worksheet

Solve and Answer
1. Add the following numbers.
(a) 32,624 and 41,921 (b) 2,16,40,367 and 59,17,068
1. Add the following numbers.
(c) 57,34,09,186 and 52,048 (d) 3,54,71,306; 34,25,810 and 6,77,999
(a) 32,624 and 48,192 (b) 2,16,40,367 and 59,17,068
2. Subtract the following numbers and check your answer.
(c) 57,34,09,186 and 52,048 (d) 3,54,71,306; 34,20,815 and 6,77,999
(a) 41,487 from 32,51,549 (b) 7,40,30,640 from 14,15,19,056
2. Subtract the following numbers and check your answer.
(c) 24,46,705 from 43,31,403 (d) 62,03,658 from 80,50,076
(a) 41,487 from 32,51,549 (b) 7,40,30,640 from 14,15,19,656
(c) 24,46,705 from 43,31,403
3. Find the missing digits. (d) 62,03,658 from 80,50,076
(a) TL L TTh Th H T O (b) CTL L TTh Th H T O
3. Find the missing digits.
9
?
?
3
7
?
6
(a) TL L TTh Th H T O (b) ? 4 5 0 ? 4 0 ?
CTL L TTh Th H T O
+ 2 7 9 ? 3 6 0 ? ? 9 3 ? 3 3 +5 ? 3 4 ? 5 9 0 3 ? ? 4 7 0 8 ?
9
1 0 2 0 9 ? 3 7 0 5 ? 8 3 ? 3 +5 7 3 6 ? 0 9 2 3 4 ? ? 7 0 8
+
L TTh Th H T O
(c) 1 0 0 ? 7 5 8 ? (d) 9 7 6 0 2 4 ? 0
CTL L TTh Th H T O
3
1
7
?
9
5
2
(c) ? CTL L TTh Th H T O (d) ? 4 3 ? 8 ?
L TTh Th H T O
– 2 ? 1 3 ? 1 5 7 4 ? 0 9 ? 5 9 2 – 5 ? 6 4 ? 3 4 ? 5 8 6 ?
– 1 2 ? 1 6 ? ? 5 4 4 ? 0 8 ? ? 9 – 2 5 ? 3 8 ? 4 4 ? 5 6 6
1 ? 6 ? 4 ? 7 ? 2 ? 8 4 ? 6
4. Solve the following and write the number name for the sum or difference obtained.
(a) Five lakh thirty-eight thousand six hundred fifteen plus twelve lakh thirty-five
4. Solve the following and write the number name for the sum or difference obtained.
thousand one hundred twenty-four
(a) Five lakh thirty-eight thousand six hundred fifteen plus twelve lakh thirty-five
(b) Four crore twenty-three lakh ten thousand five hundred forty plus fifty-four lakh
thousand one hundred twenty-four
(b) Four crore twenty-three lakh ten thousand five hundred forty plus fifty-four lakh
(c) Two lakh fourty thousand five hundred ninety-seven minus one lakh twenty thousand
five hundred fifty-two
(c) Two lakh forty thousand five hundred ninety-seven minus one lakh twenty thousand
five hundred fifty-two
5. Estimate the sum by rounding off each number to the nearest 100. Also, check whether
the sum obtained is close to the actual sum or not.
5. Estimate the sum by rounding off each number to the nearest 100. Also, check whether
the sum obtained is close to the actual sum or not.
(a) 56,326 + 2,15,956
(b) 4,25,832 + 5,63,361
(a) 56,326 + 2,15,956 (b) 4,25,837 + 5,63,361
6. Estimate the difference by rounding off each number to the nearest 1,000. Also, check
6. Estimate the difference by rounding off each number to the nearest 1,000. Also, check
whether the estimated difference is correct or not.
whether the estimated difference is correct or not.
(a) 5,50,865 – 1,00,430 (b) 69,43,690 – 64,64,640
(a) 5,50,865 – 1,00,430 (b) 69,43,690 – 64,64,640
7. Ana, Sheetu and Vinod donated ` 25,300; ` 12,540 and ` 31,900 for a cause, respectively.
7. The sum of two numbers in 68,74,51,380. If one number is 54,60,48,200, find the other
Find the total amount donated by them?
number.
8. There are 1,46,300 reference books and 5,00,540 textbooks in a library. Find the total
number of books in the library.
32