1. Decimals

2. Arrange the following in the descending order:
0.2 ,
2.02 ,
2.202 ,
0.202 ,
2.002 ,
0.002
Click to get the right answer:
Click

3. Arrange the following in the ascending order : 4.506 , 0.456 , 4.056 ,
4.605
0.506 ,
0.564 ,
Click to get the right answer:
Click

4. Write in words:
0.56
0.345
2.78
8.003
Five tens and point six,
Two and seven tenths and eight hundredths
Five tenths and six hundredths
three tenths four hundredths and five thousandths
Eight and three thousandths
Eight point three
Two and seven tens and eight hundreds

5. Click to check your answers:
Write in the expanded form:
9.005 =
0.092 =
34.89 = = + +
9 +
9 + + + + +

6. Click to check your answers:
Write in the form of decimal fraction: = = = =
235 9 9
235 70 70

7. Multiply: a) 347.56 × 10 = b) 0.0051 × 1000 = c) 0.00002 × 100 =
d) × =
e) × =
f ) × =
g) × =
h) × =
i) × =
j) × =
0.02
0.002
0.0805
0.805
5.1
0.51
32.908
0.1
3475.6
2340.9
593412

8. Fill in the blanks:
1) ……….. × 100 =
2) ………. × 10 = 9800
3) ……….. × 1000 =
4) ……….. × 100 = 0.674
5) ……….. × 10 = 3.05
6) …………… ×1000 =
7)…………./ 100 = 67.4
8) …………/ 10 =
9) …………./1000 = 305
10) …………/ 100 =0.98
9.8
980
305000
0.305
6740
84.821 98
3.05
1.005
6.74

9. Fill in the blanks:
1) 23.4 × ……….. = 0.234
2) × …………. =
3) × …………..= 9.67
4) / ………… =
5) / ………..=
6) × ………… =
7) × ………….=
8) / …………. =
9) / ……………= 1
10) / ………….= 4.25 1/
1000
100
10000
1/100
1/10000
1/ 10
1/10000 10
1000
1/100
1/1000

10. Fill in the blanks :
1) × 1000 =…………….
2) ( ) × 10 =…………….
3) × =……………
4) 25 × ……………… =
5) × ………….. = 87.40
6) 5.55 × 10 × ……………… =
7) / ………… =
8) / ……………… =
9) × …………… = 200
10) × 10 ×………. = 50.4 1/ 10 1/
1000
100000
100 1/
4827
482.0

11.
256
0.0064
Multiply :
a) 0.4 × 0.4 × =
b) ×0.4 × 0.04 × 4.0 =
c) 16 × × 0.2 × =
d) 0.8 × 2.0 × =

12. Evaluate the following without converting into fractions:
1) 23.4 × =
2) 0.4 × =
3) 1.1 × =
4) × =
5) / =
6) / 0.4 =
7) / =
8) / =
46.8
1.21
1.64
36.0
640
256
3125 7
4.68
0.121 70
25.6
16.4
3.6

13.
0.0025
80.2
80.02
5.6 56
0.5
0.05 10
100
Evaluate:
1) 0.05 × =
2) × =
3) 1.12 × =
4) × =
5) 1.25 × =

14. If the length of one stick is 75cm
If the length of one stick is 75cm. What is the length in meters of 100 sticks ?
Ans…………..
7500 m
75 m
0.75 m
750 m

15. If the weight of one iron ball is 0
If the weight of one iron ball is 0.45 grams, what is the weight in kilograms of 200 balls ?
Ans………………….
90 kg
0.09kg
0.9kg
9kg

16. A wire of length 1m is divided into 5 equal parts
A wire of length 1m is divided into 5 equal parts. Find the length of each part ?
Ans………..
0.2 cm 2m
20cm
0.002