SlideShare a Scribd company logo
Materials required:
a. 2 sheets of paper (5 x 5 inches),
b. Colour pencils.
1. Fold one of the sheets into
10 equal parts as shown in
the picture.
2. Fold the second sheet
into 100 equal parts as
shown in the picture.
3. Colour one part in each sheet and complete
task 1 in the table.
Task Total
number
of equal
parts
Number
of shaded
parts
Fraction
showing
shaded
portion
1 Sheet 1 10 1
Sheet 2 100 1
𝟏
𝟏𝟎
𝟏
𝟏𝟎𝟎
4. Then, colour 2 more parts in each sheet
and complete task 2 in the table.
Task Total
number
of equal
parts
Number
of shaded
parts
Fraction
showing
shaded
portion
1 Sheet 1 10 1
Sheet 2 100 1
2 Sheet 1 10 3
Sheet 2 100 3
𝟏
𝟏𝟎
𝟏
𝟏𝟎𝟎
𝟑
𝟏𝟎
𝟑
𝟏𝟎𝟎
Reflections:
1] If
𝟏
𝟏𝟎
can be written as 0.1 as a decimal
number, how will you write
𝟏
𝟏𝟎𝟎
in decimal
form?
Ans- 0.01
2] Write these fractions as decimal numbers.
a.
𝟑
𝟏𝟎
= 0.3 b.
𝟑
𝟏𝟎𝟎
= 0.03
The shaded part 1/10 is of the whole rectangle
strip. It represents one tenth. One tenth can be
written as a number using decimals.
0.1
O means no ones.
Decimal point
The decimal point separates the
whole number part from the
decimal part.
Tips:
1 ones = 10 tenths
Remember:
The digit to the right of
the decimal point
indicates that it is less
than one whole.
Tenths
The whole part is to the
left of the decimal point
and the decimal part is to
the right.
A decimal number has two parts. –
a whole number + a decimal number
which are separated by the decimal point.
Numbers written using a decimal point are called
decimals or decimal numbers. Numbers like 0.9, 0.36,
etc. are decimal numbers.
Decimals are used very often in everyday life
especially for measurements and money
transactions.
Example
The length of the
pencil is 4 cm.
In the given hundreds grid each part is 1
hundredth. Each shaded square represents 1/100 of
the whole. It is read as zero point zero one.
Tips:
1 tenths = 10
hundredths
Hundredths
4/100
= 0.04 Read it as
zero point zero four
4/100
= Shaded part
Example
dec

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dec

  • 1.
  • 2. Materials required: a. 2 sheets of paper (5 x 5 inches), b. Colour pencils.
  • 3. 1. Fold one of the sheets into 10 equal parts as shown in the picture.
  • 4. 2. Fold the second sheet into 100 equal parts as shown in the picture.
  • 5. 3. Colour one part in each sheet and complete task 1 in the table. Task Total number of equal parts Number of shaded parts Fraction showing shaded portion 1 Sheet 1 10 1 Sheet 2 100 1 𝟏 𝟏𝟎 𝟏 𝟏𝟎𝟎
  • 6. 4. Then, colour 2 more parts in each sheet and complete task 2 in the table. Task Total number of equal parts Number of shaded parts Fraction showing shaded portion 1 Sheet 1 10 1 Sheet 2 100 1 2 Sheet 1 10 3 Sheet 2 100 3 𝟏 𝟏𝟎 𝟏 𝟏𝟎𝟎 𝟑 𝟏𝟎 𝟑 𝟏𝟎𝟎
  • 7. Reflections: 1] If 𝟏 𝟏𝟎 can be written as 0.1 as a decimal number, how will you write 𝟏 𝟏𝟎𝟎 in decimal form? Ans- 0.01 2] Write these fractions as decimal numbers. a. 𝟑 𝟏𝟎 = 0.3 b. 𝟑 𝟏𝟎𝟎 = 0.03
  • 8. The shaded part 1/10 is of the whole rectangle strip. It represents one tenth. One tenth can be written as a number using decimals. 0.1 O means no ones. Decimal point The decimal point separates the whole number part from the decimal part. Tips: 1 ones = 10 tenths Remember: The digit to the right of the decimal point indicates that it is less than one whole. Tenths
  • 9. The whole part is to the left of the decimal point and the decimal part is to the right. A decimal number has two parts. – a whole number + a decimal number which are separated by the decimal point.
  • 10. Numbers written using a decimal point are called decimals or decimal numbers. Numbers like 0.9, 0.36, etc. are decimal numbers. Decimals are used very often in everyday life especially for measurements and money transactions.
  • 11. Example The length of the pencil is 4 cm.
  • 12. In the given hundreds grid each part is 1 hundredth. Each shaded square represents 1/100 of the whole. It is read as zero point zero one. Tips: 1 tenths = 10 hundredths Hundredths
  • 13. 4/100 = 0.04 Read it as zero point zero four 4/100 = Shaded part Example