Designing art based math activities convert decimal into fraction and vice versa

Designing art based math activities convert decimal into fraction and vice versa
CBSE Board
VIII Standard

1. SUBJECT: MATHEMATICS
Designing Art based Math activities








Miss. POOJA K MORE

2. Designing Art based Math activities



Name of Activity: Convert decimal into fraction
and fraction into decimal

Topic: Decimal Fractions
Std: V
th




Materials: 2 Circles, Pen, Pencil





Duration: 30 minutes

3. Outcome:



By the end of this activity, pupils should
be able to:
 Convert fraction to decimal
 Convert decimal to fraction
Procedure:
1) Cut two circles with 10 cm and 9 cm
of radius then make 10 equal parts of
them
2) Write 1/10 on one side of the first
circle and 0.1 to the other side of the
second circle.
3) Now, cut the one side of the circle till
centre of the circle
4) Adjust this circle as shown in video
like face opposite to each other.

4. Relating to the content:
 Convert fraction to decimal
1.
1

10












Ans- Turn the circle


1
= 0.1
10

5. 2.
1

10
+
1
=
2
10 10



Answer –


1
+
1
10 10
= 0.1 + 0.1 = 0.2 ??????�?????? ??????� �� ….

6.  Convert decimal to fraction
1. 0.1

Ans- Turn the circle


0.1 =
1

10

7. 2. 0.1 + 0.1 = 0.2

Ans- Turn the circle


0.1 + 0.1 =
1
+
1
=
2

10 10 10
And so on….

8. Extension activity:
Follow the same procedure for another
model
1) Cut two circles with 10 cm and 9 cm
of radius then make 10 equal parts of
them
2) Write 1/100 on one side of the first
circle and 0.01 to the other side of
the second circle.
3) Now, cut the one side of the circle till
centre of the circle
4) Adjust this circle as shown in video
like face opposite to each other.
5) Repeat the steps to convert fraction
into decimal and vice versa.

9. Worksheet
 Convert fraction into decimal
i.
3
=
10
ii.
17
=
100
iii.
5
=
100
iv.
2
=
10
Answer –
i. 0.3
ii. 0.17
iii. 0.05
iv. 0.2

 Convert decimal into fraction
i. 0.5 =
ii. 0.23 =
iii. 0.08 =
iv. 2.05 =
Answer –
i.
5

10
ii.
23

100
iii.
8

100
iv. 205
100