1. Write the whole number part and the decimal part of the following.

2. Read the following decimals.
a. 0.6     b. 7.6    c. 24. 01   d. 258. 29   d. 967.085

a. 0.6           →  Zero point six
b. 7.6           →  Seven point six
c. 24.01       →  twenty four point zero one
d. 258.01     →  two hundred and fifty eight point zero one.
e. 967 . 085 →  Nine hundred and sixty seven point zero eight five.

3. Write the following in decimal form.
a. Zero point four   
b. sixty three and two tenths. 
c. One hundred and two seven tenths, five hundredths. 
d. Eight thousand nine hundred and three and four tenths two hundredths.

a. Zero point four  --- 0.4
b. Sixty three and two tenths ---- 63.2
c. One hundred  two and seven tenths five hundredths  ---- 102. 75
d. Eight thousand nine hundred and three and forty two hundredths ---- 8903.42

4. Write the place value of the digits underlined in the following numbers.
a. 2.35      b. 12.368        c. 24. 798    d. 53.003

a. 2.35      – Three tenths
b. 12. 368  - Eight thousandths
c. 24.798 – Nine hundredths
d. 52.003  – Zero

5. Fill in the blanks.
a. 6 tenths = --------- hundredths
b. 3 tenths = -------- thousandths
c. 8 ones   = -------- tenths
d. 0.5        = -------- hundredths.

a. 6 tenths  = 60 hundredths
b. 3 tenths  = 300 thousandths
c. 8 ones    = 80 tenths
d. 0.5         = 50 hundredths

6. Write the following in the expanded form.
a. 2.3    b. 10.08     c. 152 . 408     d. 125 . 786

7. Write short form.

8. Represent the following on a number?
a. 0.8       b. 3.5         c. 0.04       d. 0.87

a.   

b.   

c.  

d. 

9. Conversion of decimals into common fractions.
a. 0.4           b. 5.6     c. 12.7      d. 0.069       e. 502.0002

10. Write as decimals.

11. Convert the following as decimals.

12. Write in ascending order.
a. 56, 7.9, 0.1, 10.00, 0.01, 2.92
b. 22.1, 822.1, 322.01, 50.1, 822.11
c. 47.01, 470.001, 1.001, 26.01, 470.002

a.  0.01,0.1,2.92, 5.6, 7.9, 10.00
b. 22.1, 822.1, 322.01, 50.1, 322.01, 822.1, 822.11
c.  1.001, 26.01, 47.01, 470.001, 470.002

13. Write in descending order.
a. 100.0, 100.5, 100.01, 100.51, 100.1
b. 27.1, 42.6, 22.0, 49.2, 62.5
c. 41.123, 21.321, 12.231, 14.123, 12.230

a.  100.51, 100.501, 100.5, 100.1, 100.0
b.  625, 49.2, 42.6, 271, 22.00
c.   41.123, 21.321, 14.123, 12.231, 12.230.

14. Write answers for the following.
a. 20 PS   + 30 PS  = 50 PS =?
b. 15 PS + 25 PS  = 40 PS =?
c. 60 PS – 20 PS  = ______=?
d. 35 PS – 20 PS  = ______ = ______

a. 20 PS + 30 PS  = 50 PS    = RS  0.5
b. 15 PS + 25 PS  = 40 PS  = Rs  ⁴⁰/₁₀₀  = RS 0.4
c. 60 PS – 40 PS  = 20 PS   = ²⁰/₁₀₀ = Rs. 0.20
d. 35 PS – 20 PS  = 15 PS   = Rs ¹⁵/₁₀₀  = Rs 0.15

15. Find the sum.

16. Find the sum.
a. 0.3 + 0.6,   b, 2.2 + 5.3    c. 23. 7 + 2.37   d. 27.076 + 0.552 + 3 . 941,   e. 45 + 9  . 089

a. 0.3 + 0.6                                 Arranging column wise        

b. 2.2 + 5.3                                   Arranging column wise  

c. 23. 7  + 2.3                               Arranging  column wise   

d. 27. 0.76 + 0.552 + 3 . 941      Arranging  column wise    

e. 45 + 9.089                                Arranging column wise    

17. Find the values of the following.
a. 2.37 – 1.15     b. 8.35  - 5.8      c. 23 . 1  - 14  . 63  
d. 2 . 107  - 0 . 31     e. 64 – 0. 48     f. 100 – 0.1

a. 2.37 – 1.15 =1.22       

b. 8.35 – 5.8 =2.55                                                                    

c. 23.1 – 14. 63 =8.47   

d. 2. 107 – 0.31 =1.797       

e. 64 - 0.48 =63.52         

f. 100 - 0.1= 99.9          

18. Find the numbers:

                                  •   In the adjacent figures, observe the number in the last row.
                                  •   Now, see the numbers in the row just above it.
                                  •   Identify the relation between the numbers in the two rows.
                                  •   Fill in the remaining circles with correct numbers.