# 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 â€“ WHOLE NUMBERSÂ

PREVIOUS LESSON â€“Â

### LEARNING AREA

1. Introductory Activities

2. Identification and Reading of Numbers 1 â€“ 170

3. Writing of Numbers 1 â€“ 170

4. Lesson Evaluation and Weekly Assessment

### LEARNING OBJECTIVESÂ

By the end of the lesson, most of the pupils should have attained the following objectives â€“

1. identify and read correctly the numbers 1 â€“ 170.

2. write correctly the numbers 1 â€“ 170.

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

### ENTRY BEHAVIOUR

The pupils can count 1 â€“ 100 correctly.

### INSTRUCTIONAL MATERIALS

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

### METHOD OF TEACHINGÂ

Choose a suitable and appropriate methods for the lessons.

Note â€“ Irrespective of choosing methods of teaching, always introduce an activities that will arouse pupilâ€™s interest or lead them to the lessons.Â

### REFERENCE MATERIALS

1. Scheme of Work

2. 9 â€“ Years Basic Education Curriculum

3. Course Book

4. All Relevant Material

5. Online Information

### LESSON 1 â€“ INTRODUCTIONÂ

ACTIVITY 1 â€“ COUNTING NUMBER 1 â€“ 30

1Â  Â  Â 2Â  Â  Â 3Â  Â  Â 4Â  Â  Â 5Â  Â  Â 6Â  Â  Â 7Â  Â  Â 8Â  Â  Â 9Â  Â  10

11Â  Â 12Â  Â 13Â  Â 14Â  Â 15Â  Â 16Â  Â 17Â  Â 18Â  Â 19Â  20

21Â  Â 22Â  Â 23Â  Â 24Â  Â 25Â  Â 26Â  Â 27Â  Â 28Â  Â 29Â  30

ACTIVITY 2 â€“ COUNTING NUMBER 1 â€“ 50

1Â  Â  Â 2Â  Â  Â 3Â  Â  Â 4Â  Â  Â 5Â  Â  Â 6Â  Â  Â 7Â  Â  Â 8Â  Â  Â 9Â  Â  10

11Â  Â 12Â  Â 13Â  Â 14Â  Â 15Â  Â 16Â  Â 17Â  Â 18Â  Â 19Â  20

21Â  Â 22Â  Â 23Â  Â 24Â  Â 25Â  Â 26Â  Â 27Â  Â 28Â  Â 29Â  30

31Â  Â 32Â  Â 33Â  Â 34Â  Â 35Â  Â 36Â  Â 37Â  Â 38Â  Â 39Â  40

41Â  Â 42Â  Â 43Â  Â 44Â  Â 45Â  Â 46Â  Â 47Â  Â 48Â  Â 49Â  50

ACTIVITY 3 â€“ IDENTIFICATION AND WRITING NUMBER 1 â€“ 50

Teacher displays a chart showing number 1 â€“ 50 for children to identify and write.

ACTIVITY 4 â€“ ORAL EXERCISEÂ

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

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

Note â€“ Activity 4 should be done orally and give to the children as assignment.

### LESSON 2 â€“ COUNTING NUMBER 1 â€“ 100

ACTIVITY 1 â€“ REVISION ON COUNTING NUMBER 1 â€“ 50

1Â  Â  Â 2Â  Â  Â 3Â  Â  Â 4Â  Â  Â 5Â  Â  Â 6Â  Â  Â 7Â  Â  Â 8Â  Â  Â 9Â  Â  10

11Â  Â 12Â  Â 13Â  Â 14Â  Â 15Â  Â 16Â  Â 17Â  Â 18Â  Â 19Â  20

21Â  Â 22Â  Â 23Â  Â 24Â  Â 25Â  Â 26Â  Â 27Â  Â 28Â  Â 29Â  30

31Â  Â 32Â  Â 33Â  Â 34Â  Â 35Â  Â 36Â  Â 37Â  Â 38Â  Â 39Â  40

41Â  Â 42Â  Â 43Â  Â 44Â  Â 45Â  Â 46Â  Â 47Â  Â 48Â  Â 49Â  50

ACTIVITY 2 â€“ COUNTING NUMBER 51 â€“ 100

51Â  Â 52Â  Â 53Â  Â 54Â  Â 55Â  Â 56Â  Â 57Â  Â 58Â  Â 59Â  60

61Â  Â 62Â  Â 63Â  Â 64Â  Â 65Â  Â 66Â  Â 67Â  Â 68Â  Â 69Â  70

71Â  Â 72Â  Â 73Â  Â 74Â  Â 75Â  Â 76Â  Â 77Â  Â 78Â  Â 79Â  80

81Â  Â 82Â  Â 83Â  Â 84Â  Â 85Â  Â 86Â  Â 87Â  Â 88Â  Â 89Â  90

91Â  Â 92Â  Â 93Â  Â 94Â  Â 95Â  Â 96Â  Â 97Â  Â 98Â  Â 99Â  100

ACTIVITY 3 â€“ IDENTIFICATION AND WRITING 50 â€“ 100

Teacher displays a chart showing number 50 â€“ 100 for children to identify and write.

ACTIVITY 4 â€“ ORAL EXERCISEÂ

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

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

Note â€“ Activity 4 should be done orally and give to the children as assignment.

### LESSON 3 â€“ COUNTING NUMBER 1 â€“ 170

ACTIVITY 1 â€“ REVISION ON COUNTING NUMBER 1 â€“ 100

1Â  Â  Â 2Â  Â  Â 3Â  Â  Â 4Â  Â  Â 5Â  Â  Â 6Â  Â  Â 7Â  Â  Â 8Â  Â  Â 9Â  Â  10

11Â  Â 12Â  Â 13Â  Â 14Â  Â 15Â  Â 16Â  Â 17Â  Â 18Â  Â 19Â  20

21Â  Â 22Â  Â 23Â  Â 24Â  Â 25Â  Â 26Â  Â 27Â  Â 28Â  Â 29Â  30

31Â  Â 32Â  Â 33Â  Â 34Â  Â 35Â  Â 36Â  Â 37Â  Â 38Â  Â 39Â  40

41Â  Â 42Â  Â 43Â  Â 44Â  Â 45Â  Â 46Â  Â 47Â  Â 48Â  Â 49Â  50

51Â  Â 52Â  Â 53Â  Â 54Â  Â 55Â  Â 56Â  Â 57Â  Â 58Â  Â 59Â  60

61Â  Â 62Â  Â 63Â  Â 64Â  Â 65Â  Â 66Â  Â 67Â  Â 68Â  Â 69Â  70

71Â  Â 72Â  Â 73Â  Â 74Â  Â 75Â  Â 76Â  Â 77Â  Â 78Â  Â 79Â  80

81Â  Â 82Â  Â 83Â  Â 84Â  Â 85Â  Â 86Â  Â 87Â  Â 88Â  Â 89Â  90

91Â  Â 92Â  Â 93Â  Â 94Â  Â 95Â  Â 96Â  Â 97Â  Â 98Â  Â 99Â  100

ACTIVITY 2 â€“ COUNTING NUMBER 101 â€“ 170

101Â  102Â  103Â  104Â  105Â  106Â  107Â  108Â  109Â  110

111Â  122Â  123Â  124Â  125Â  126Â  127Â  128Â  129Â  120

121Â  122Â  123Â  124Â  125Â  126Â  127Â  128Â  129Â  130

131Â  132Â  133Â  134Â  135Â  136Â  137Â  138Â  139Â  140

141Â  142Â  143Â  144Â  145Â  146Â  147Â  148Â  149Â  150

151Â  152Â  153Â  154Â  155Â  156Â  157Â  158Â  159Â  150

161Â  162Â  163Â  164Â  165Â  166Â  167Â  168Â  169Â  170

ACTIVITY 3 â€“ IDENTIFICATION AND WRITING 101 â€“ 170

Teacher displays a chart showing number 1 â€“ 50 for children to identify and write.

ACTIVITY 4 â€“ ORAL EXERCISEÂ

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

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

### LESSON 4 â€“ ADD 1 DIGIT NUMBER WITH SUM NOT MORE 20

ACTIVITY 1 â€“ 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 â€“ 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 â€“ ADD 1 DIGIT NUMBER WITH SUM NOT MORE THAN 20

1 + 3 = 4,Â  Â  Â  1 + 4 = 5

2 + 3 = 5,Â  Â  Â  2 + 4 = 6

3 + 3 = 6,Â  Â  Â  3 + 4 = 7

4 + 3 = 7,Â  Â  Â  4 + 4 = 8

5 + 3 = 8,Â  Â  Â  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 â€“ CLASS EXERCISE/ASSIGNMENTÂ

Complete the following:

1. 9 + 2 =

2. 5 + 3 =

3. 4 + 5 =

4. 8 + 3 =

4. 1 + 10 =

LESSON 5 â€“ REVISION AND WEEKLY ASSESSMENT (TEST)Â

### 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 â€“ 50.

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

Pupilâ€™s Activities â€“ Identify number on each flashcard.

4. Teacher uses the pupilâ€™s responses to introduce the lesson.

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

Pupilâ€™s Activities â€“ Pay attention to the lesson introduction and follow the teacherâ€™s lead to identify and count numbers.

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

Pupilâ€™s Activities â€“ Add a digit number to another one digit number.

7. Teacher summarizes the lesson by leading a count number 1 â€“ 170.

Pupilâ€™s Activities â€“ Participate actively in counting number 1 â€“ 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 weekâ€™s lesson.

### NEXT LESSON

Counting Numbers 1 â€“ 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

### LESSON EVALUATIONÂ

Teacher asks pupils to â€“Â

1. identify and read correctly the numbers 1 â€“ 170.

2. write correctly the numbers 1 â€“ 170.