Building With Bricks – Chapter1/Class 4

MODEL QUESTIONS FOR CBSE CLASS 4 MATHEMATICS
Building With Bricks – Chapter 1
Answer the following:

1. Write the number before 2, 05,070 and its number name?
2. Write the number after 9, 99,801 and its number name?
3. Write the missing numbers?
   a) 8445, 8345, —–, —–, ——
   b) 4820, 4840, —–, —–, ——
4. Arrange the following numbers in ascending order.
   8435, 3485, 8534, 8345.
5. Arrange the following numbers in descending order.
   2404, 4024, 2044, 4402
6. Find the sum of the largest and the smallest 4 digit number formed by the digits 7, 0, 2 and 5.
7. Find the sum of the place values of 4 in 2,48,342.
8. Write the number name of:
   a) 2,44,021
   b) 38,045
9. Write the standard form of
   a) 40000 + 3000 + 200 + 5
   b) 80000 + 500 + 3
10. If the cost of 20 books is Rs 3600, what is the cost of 80 such books?

ANSWERS:

1. The number before 2, 05,070 is 2, 05,069.
   Number name is two lakh five thousand sixty nine.
2. The number after 9, 99,801 is 9, 99,802.
   Number name is Nine lakh ninety nine thousand eight hundred two.
3. a) 8245, 8145, 8045……
   b) 4860, 4880, 4900…….
4. 3485, 8345, 8435, 8534.
5. 4402, 4024, 2404, 2044.
6. Largest number is 7520 and smallest number is 2057.
   Sum = 7520 + 2057 = 9577.
7. The place values of 4 are 40 and 40000.
   Sum = 40000 + 40 = 40040.
8. a) 2,44,021 – Two lakh forty four thousand twenty one.
   b) 38,045 – Thirty eight thousand forty five.
9. a) 43205
   b) 80503
10. Cost of 20 books = 3600
    Cost of one book = 3600/20 = 180
    Therefore, cost of 80 such books = 180 x 80 = 14400 rupees.