Lesson Notes By Weeks and Term - Primary 3

Week 9&10

Subject: Mathematics

Class: Primary 3

Term: 3^rd Term

TOPIC: Pictogram and mode

SUBTOPIC:  Bar gragh and mode

BEHAVIOURAL OBJECTIVES: At the end of the lesson, pupils should be able to:

1. Represent data on a pictogram.
2. Determine the mode from the pictogram
3. Read and interpret bar graph
4. Determine the mode from bar gragh
5. Appreciate the presence of most common events/data in daily activities.

CONTENT

1. Number of red colored boxes sold by William, a shopkeeper, in six days of a week. See the picture graph or pictograph to answer the questions.

Examples of Pictographs

Information gathered from the above table:(i) Number of red boxes sold:

Monday – 4, Tuesday – 2, Wednesday – 3, Thursday – 5, Friday – 8, Saturday – 1

Therefore, sale during the week = 23

(ii) Lowest sale – on Saturday, only 1 box was sold.

Maximum sale on Friday is 8 boxes were sold.

We can easily get more information by observing this picture-graph.

2. Number of illiterate children of 5 small towns, Melrose, Marengo, Midway, Parral and Rushville. See the picture graph or pictograph to answer the questions.

Information gathered from the above table:

(i) Number of illiterate children of different small towns:

Melrose - 5, Marengo - 4, Midway - 7, Parral - 3 and Rushville - 2

(ii) Total number of illiterate = 21

3. Information about 300 children of a school who come to school by different modes of transportation.

Pictographs Face             

→ 1 face represents 10 children

See the picture graph or pictograph to answer the questions.

Picture Graph or Pictograph

Save Information gathered from the above table:

(i) Number of students going to school by different modes of transportation:

Auto-rickshaw = 6 × 10 = 60, Car = 4 × 10 = 40, Bicycle = 7 × 10 = 70, Bus = 10 × 10 = 100, On foot = 3 × 10 = 30

(ii) Total number = 60 + 40 + 70 + 100 + 30 = 300