# CBSE Class 5 Mathematics Worksheet/Practice Problems

## Model Questions/Extra Questions for Practice

1. Write the number name and expanded form of 80437
2. Write the numeral: Eighty thousand thirty two
3. Write the greatest and smallest 6 digit number
4. Write the place value of 5 in 35768
5. Write all factors of 12
6. Write first five multiples of 7
7. Perimeter of a square is 84 cm. Find the length of its side?
8. Find the LCM of 4 and 6
9. Find the area of a rectangle whose length is 30cm and breadth is 5 cm
10. A square carrom board has a perimeter 320cm. Find its area?
11. Manu drinks 8 glasses of water every day. How many glasses will he drink in one month?
12. Find the HCF of 36 and 12
13. Nithya has 25.75 rupees. How much money does she require to make a sum of 50 rupees?
14. A table fan costs 2325 rupees. Find the cost of one dozen table fans?
15. A tray can hold 16 marbles. How many trays are required to keep 256 marbles?
16. Cost of 1 kg apples is 82 rupees. How much kilograms of apples can we buy with 500 rupees? How much amount will be left with us?
17. Find the volume of a cube of side 5cm?
18. Find the volume of a cuboid of length 3cm, breadth 2 cm and height 4cm?
19. Find the area and perimeter of a square of side 10 cm?
20. Write all 3 digit numbers which look the same on half turn?

1. Number name: Eighty thousand four hundred thirty seven
Expanded form: 80000 + 400 + 30 + 7
2. 80032
3. Greatest number: 999999
Smallest number: 100000
4. 5000
5. Factors of 12 are 1, 2, 3, 4, 6 and 12
6. Multiples of 7 are 7, 14, 21, 28 and 35.
7. Length of each side = 84/4 = 21cm
8. Multiples of 4 are 4, 8, 12, 16, 20, 24, 28, ———–
Multiples of 6 are 6, 12, 18, 24, 30, 36, ———-
Common Multiples are 12, 24, ———
LCM = 12
9. Area of a rectangle = length x breadth = 30 x 5 = 150 sq cm
10. Length of each side = 320/4 = 80 cm
Area of a square = side x side = 80 x 80 = 6400 sq cm
11. Number of glasses of water in one day = 8
Number of glasses of water he will drink in one month = 30 x 8 = 240 glasses
12. Factors of 36 are 1, 2, 3, 4, 6, 9, 12, 18 and 36
Factors of 12 are 1, 2, 3, 4, 6 and 12.
Common factors are 1, 2, 3, 4, 6 and 12.
HCF = 12
13. 50 – 25.75 = 24.25 rupees
14. Cost of one table fan = 2325 rupees
Cost of 1 dozen table fans = 2325 x 12 = 27,900 rupees
15. Number of marbles in one tray = 16
Number of trays required to keep 256 marbles= 256/16 = 16 trays
16. Cost of 1 kg apples = 82 rupees
Quantity of apples we can buy for 500 rupees = 500/82 = 6 kg
Amount left with us = 8 rupees
17. Volume = 5 x 5 x 5 = 125 cubic cm
18. Volume of a cuboid = l x b x h = 3 x 2 x 4 = 24 cubic cm
19. Area of a square = side x side = 10 x 10 = 100 sq cm
Perimeter of a square = 4 x side = 4 x 10 = 40 cm
20. 111, 888, 101, 808, 818, 181