CBSE Class 6 Mathematics/Decimals – Chapter 8

Extra Questions for Practice/Model Questions

CBSE Class 6 Mathematics/Decimals is about the practice problems that you can expect for Yearly Examination. Here you can find out Model Questions for Class 6 Mathematics.

Answer the following:

1. Write the expanded form and number name of:
   a) 103.02
   b) 3.756
2. Write the decimal form of:
   a) 20 + 4 + 5/10 + 6/100
   b) 3/10 + 4/100 + 7/1000
   c) 5/100
   d) 4/1000
3. Convert to fraction:
   a) 35.75
   b) 0.254
   c) 25.7
4. Convert to decimals
   a) 725/10
   b) 325/100
   c) 35/1000
   d) 5675/1000
5. Convert rupees to paise
   a) 7.25 rupees
   b) 25.05 rupees
   c) 525 rupees
   d) 720.05 rupees
6. Convert paise to rupees
   a) 325 paise
   b) 9285 paise
   c) 7200 paise
7. Add 0.25 + 2.75 + 32.05
8. Subtract 1.78 from 2.5
9. Raju had 500 rupees. He bought a book for 375.55 rupees. How much money was left with him?
10. What should be added to 3.8 to get 15?
11. What should be taken away from 25 to get 5.75?
12. Write in ascending order:
    a) 1.07, 1.70, 1.77, 1.707, 1.007
    b) 3.258, 3.528, 3.825, 8.325

ANSWERS:

1. a) Expanded form: 1 x 100 + 0 x 10 + 3 x 1 + 0 x 1/10 + 2 x 1/100
   Number name: One hundred three point zero two
   b) Expanded form: 3 x 1 + 7 x 1/10 + 5 x 1/100 + 6 x 1/1000
   Number name: Three point Seven Five Six
2. a) 24.56
   b) 0.347
   c) 0.05
   d) 0.004
3. a) 3575/100
   b) 254/1000
   c) 257/10
4. a) 72.5
   b) 3.25
   c) 0.035
   d) 5.675
5. a) 725 paise
   b) 2505 paise
   c) 52500 paise
   d) 72005 paise
6. a) 3.25 rupees
   b) 92.85 rupees
   c) 72.00 rupees
7. 0.25 + 2.75 + 32.05 = 35.05
8. 2.5 – 1.78 = 0.72
9. Money Raju had = 500 rupees
   Cost of a book = 375.55 rupees
   Money left with him = 500 – 375.55 = 124.45
10. 15 – 3.8 = 11.2
11. 25 – 5.75 = 19.25
12. a) 1.007, 1.07, 1.70, 1.707, 1.77
    b) 3.258, 3.528, 3.825, 8.325