# Counting of Whole Numbers 1 – 170 and Addition of Numbers not More than 20 Primary 1 (Basic 1) Term 3 Week 1 Mathematics

### MATHEMATICS

THIRD TERM

WEEK 1

PRIMARY 1

THEME – WHOLE NUMBERS

PREVIOUS LESSON –

### LEARNING AREA

1. Introductory Activities

2. Identification and Reading of Numbers 1 – 170

3. Writing of Numbers 1 – 170

4. Lesson Evaluation and Weekly Assessment

### LEARNING OBJECTIVES

By the end of the lesson, most of the pupils should have attained the following objectives –

1. identify and read correctly the numbers 1 – 170.

2. write correctly the numbers 1 – 170.

3. adding two whole numbers with sum not more 20.

### ENTRY BEHAVIOUR

The pupils can count 1 – 100 correctly.

### INSTRUCTIONAL MATERIALS

The teacher will teach the lesson with the aid of flashcards and number charts.

### METHOD OF TEACHING

Choose a suitable and appropriate methods for the lessons.

Note – Irrespective of choosing methods of teaching, always introduce an activities that will arouse pupil’s interest or lead them to the lessons.

### REFERENCE MATERIALS

1. Scheme of Work

2. 9 – Years Basic Education Curriculum

3. Course Book

4. All Relevant Material

5. Online Information

### LESSON 1 – INTRODUCTION

ACTIVITY 1 – COUNTING NUMBER 1 – 30

1     2     3     4     5     6     7     8     9    10

11   12   13   14   15   16   17   18   19  20

21   22   23   24   25   26   27   28   29  30

ACTIVITY 2 – COUNTING NUMBER 1 – 50

1     2     3     4     5     6     7     8     9    10

11   12   13   14   15   16   17   18   19  20

21   22   23   24   25   26   27   28   29  30

31   32   33   34   35   36   37   38   39  40

41   42   43   44   45   46   47   48   49  50

ACTIVITY 3 – IDENTIFICATION AND WRITING NUMBER 1 – 50

Teacher displays a chart showing number 1 – 50 for children to identify and write.

ACTIVITY 4 – ORAL EXERCISE

Teacher displays chart showing the numbers below for children to identify and fill the missing numbers.

• 1     2    __     4     5     6    __     8     9  __
• 11   __   13   14  __   16   17   18  __  20
• 21   22  __   24   25   26   27  __   29  30
• 31   32   33  __   35   36  __   38   39  40
• 41   42   43   44  __   46   47  __   49  50

Note – Activity 4 should be done orally and give to the children as assignment.

### LESSON 2 – COUNTING NUMBER 1 – 100

ACTIVITY 1 – REVISION ON COUNTING NUMBER 1 – 50

1     2     3     4     5     6     7     8     9    10

11   12   13   14   15   16   17   18   19  20

21   22   23   24   25   26   27   28   29  30

31   32   33   34   35   36   37   38   39  40

41   42   43   44   45   46   47   48   49  50

ACTIVITY 2 – COUNTING NUMBER 51 – 100

51   52   53   54   55   56   57   58   59  60

61   62   63   64   65   66   67   68   69  70

71   72   73   74   75   76   77   78   79  80

81   82   83   84   85   86   87   88   89  90

91   92   93   94   95   96   97   98   99  100

ACTIVITY 3 – IDENTIFICATION AND WRITING 50 – 100

Teacher displays a chart showing number 50 – 100 for children to identify and write.

ACTIVITY 4 – ORAL EXERCISE

Teacher displays chart showing the numbers below for children to identify and fill the missing numbers.

• 51   52  __   54   55  __   57   58  __  60
• 61  __   63   64  __   66   67  __   69 __
• __  72   73  __   75   76  __   78   79 __
• 81  __   83   84  __   86   87  __   89  90
• 91   92   93  __   95   96  __   98   99 __

Note – Activity 4 should be done orally and give to the children as assignment.

### LESSON 3 – COUNTING NUMBER 1 – 170

ACTIVITY 1 – REVISION ON COUNTING NUMBER 1 – 100

1     2     3     4     5     6     7     8     9    10

11   12   13   14   15   16   17   18   19  20

21   22   23   24   25   26   27   28   29  30

31   32   33   34   35   36   37   38   39  40

41   42   43   44   45   46   47   48   49  50

51   52   53   54   55   56   57   58   59  60

61   62   63   64   65   66   67   68   69  70

71   72   73   74   75   76   77   78   79  80

81   82   83   84   85   86   87   88   89  90

91   92   93   94   95   96   97   98   99  100

ACTIVITY 2 – COUNTING NUMBER 101 – 170

101  102  103  104  105  106  107  108  109  110

111  122  123  124  125  126  127  128  129  120

121  122  123  124  125  126  127  128  129  130

131  132  133  134  135  136  137  138  139  140

141  142  143  144  145  146  147  148  149  150

151  152  153  154  155  156  157  158  159  150

161  162  163  164  165  166  167  168  169  170

ACTIVITY 3 – IDENTIFICATION AND WRITING 101 – 170

Teacher displays a chart showing number 1 – 50 for children to identify and write.

ACTIVITY 4 – ORAL EXERCISE

Teacher displays chart showing the numbers below for children to identify and fill the missing numbers.

• 101  102  ___ 104  105  ___ 107  108  ___ 110
• ___ 122  123  124  125  ___ 127  128  129 ___
• 121  122  ___ 124  ___ 126  ___ 128  129  130
• 131  132  133  134  ___ 136  ___ 138  139 ___
• 141  ___ 143  144  ___ 146  147  ___ 149  150
• 151  152  153  154  155  156  157  ___ ___ ___
• 161  ___ 163  164  165  ___ 167  168  169 ___

### LESSON 4 – ADD 1 DIGIT NUMBER WITH SUM NOT MORE 20

ACTIVITY 1 – ADD 1 DIGIT NUMBER WITH SUM NOT MORE THAN 10

1 + 1 = 2

2 + 1 = 3

3 +1 = 4

4 + 1 = 5

5 + 1 = 6

6 + 1 = 7

7 + 1 = 8

8 + 1 = 9

9 + 1 = 10

ACTIVITY 2 – ADD 1 DIGIT NUMBER WITH SUM NOT MORE THAN 15

1 + 2 = 3,

2 + 2 = 4,

3 + 2 = 5,

4 + 2 = 6

5 + 2 = 7

6 + 2 = 8

7 + 2 = 9

8 + 2 = 10

9 + 2 = 11

10 + 2 = 12

11 + 2 = 13

12 + 2 = 14

13 + 2 = 15

ACTIVITY 3 – ADD 1 DIGIT NUMBER WITH SUM NOT MORE THAN 20

1 + 3 = 4,      1 + 4 = 5

2 + 3 = 5,      2 + 4 = 6

3 + 3 = 6,      3 + 4 = 7

4 + 3 = 7,      4 + 4 = 8

5 + 3 = 8,      5 + 4 = 9, etc.

6 + 3 = 9

7 + 3 = 10

8 + 3 = 11

9 + 3 = 12

10 + 3 = 13

11 + 3 = 14

12 + 3 = 15

13 + 3 = 16

14 + 3 = 17

15 + 3 = 18

ACTIVITY 4 – CLASS EXERCISE/ASSIGNMENT

Complete the following:

1. 9 + 2 =

2. 5 + 3 =

3. 4 + 5 =

4. 8 + 3 =

4. 1 + 10 =

LESSON 5 – REVISION AND WEEKLY ASSESSMENT (TEST)

### PRESENTATION

To deliver the lesson, the teacher adopts the following steps:

1. To introduce the lesson, the teacher revises the previous lesson. Based on this, he/she asks the pupils some questions;

2. Teacher gets flashcards number 1 – 50.

3. Teacher picks a flashcard at random for pupils to identify correctly.

Pupil’s Activities – Identify number on each flashcard.

4. Teacher uses the pupil’s responses to introduce the lesson.

5. Teacher leads a counting from 1 – 50, 51 – 100 and 101 – 170 with appropriate lesson evaluation.

Pupil’s Activities – Pay attention to the lesson introduction and follow the teacher’s lead to identify and count numbers.

6. Teacher guides pupils to add one to a digit number with sum not more than 20.

Pupil’s Activities – Add a digit number to another one digit number.

7. Teacher summarizes the lesson by leading a count number 1 – 170.

Pupil’s Activities – Participate actively in counting number 1 – 170 and write as instructed.

### CONCLUSION

To conclude the lesson for the week, the teacher revises the entire lesson and links it to the following week’s lesson.

### NEXT LESSON

Counting Numbers 1 – 180 and Skip Counting in 2s, 3s, 5s and 10s | Addition of Two Whole Numbers with Sum not More than 50 Primary 1 (Basic 1) Term 3 Week 2 Mathematics