CHAPTER 9: RECOGNIZING FRACTIONS – ARITHMETIC STANDARD II NOTES
Recognize the concepts of whole, half, quarter, third, and two-third using real objects and ICT tools
Fractions
A fraction is a part of a whole thing. There are different fractions, for example half, quarter, one third and two-third.
Half
An object or shape can be divided into two equal parts. Each part is called one half. One half is written as ½.
Quarter
An object or shape can be divided into four equal parts. Each part is called one quarter. One quarter is written as ¼.
One third
An object can be divided into 3 equal parts. Each part is called one third. One third is written as 1/3.
Two-thirds
A shape can be divided into three equal parts. Two out of the three parts are called two-thirds. Two thirds is written as 2/3. Observe the following examples below.
NB: The shaded parts are called two thirds and it written as 2/3.
One third or 1/3
When we divide a whole into 3 equal parts we call each part a third or 1/3.
EXERCISE
Put tick ( ) one third shape
b. Read and write a third
Example
= one third
EXERCISE
- Write 1/3 in words
- Write one third in figure
- Draw the shape of one third
Identifying reading and writing two third
Two third or 2/3
EXERCISE
Shade two third
Identify two third
Reading and writing two third
Example = Two third
EXERCISE
- Write 2/3 in words
- Write two third in figure
- Draw the shape of two third
- Write two third in numeral.
EXERCISE
Fill the blanks in the following table
EXERCISE
Study the figure below carefully, and then write the name of each shape as indicated by number 1,2 and 3.
- __________________
- __________________
- __________________
EXERCISE
1. Draw two different size circles
2. Draw two different quadrilaterals.
3. Draw two different triangles
EXERCISE
1. Which objects are in the shape of triangle?
2. Which objects are in the shape of two dimensional figures?
(a) A quadrilateral has _______ sides.
(b) A triangle has _______ sides.
(c) A circle has _____ sides.
CHAPTER 9: RECOGNIZING FRACTIONS – ARITHMETIC STANDARD II NOTES
CLICK HERE TO GET PDF NOTES
