HomePrimary 1MathematicsCounting Numbers From 1 To 180 Adding Up Two Whole Numbers with sum not more than 50 Mathematics Primary 1 Third Term Lesson Notes Week 2

Counting Numbers From 1 To 180 Adding Up Two Whole Numbers with sum not more than 50 Mathematics Primary 1 Third Term Lesson Notes Week 2

3rd Term Mathematics Weekly Lesson Notes Primary 1 For Age 6

 

Subject : Mathematics

 

 

Topic :

Counting Numbers from 1 To 180 Adding Up Two Whole Numbers with sum not more than 50

 

Class : Basic 1 / Primary 1 / Grade 1

 

 

Term : Third Term

 

Previous Lesson 

Learning Objectives:

By the end of this lesson, students will be able to:

  1. Count and identify numbers from 171 to 180.
  2. Write numbers from 1 to 180 in numerals.
  3. Add two whole numbers with a sum not more than 50.

Embedded Core Skills:

  1. Numeracy Skills: Counting, identifying, and writing numbers.
  2. Arithmetic Skills: Addition of two whole numbers.
  3. Critical Thinking Skills: Analyzing and evaluating number patterns.

Learning Materials:

  1. Number flashcards from 171 to 180.
  2. Chalkboard or whiteboard.
  3. Chalk or markers.
  4. Worksheets for writing numbers in numerals.
  5. Manipulatives (optional) – Counting blocks or objects

 

Content 

Good morning, class! Today, we’re going to learn some exciting things about numbers. Are you ready? Great! Let’s start with our first topic:

1. Counting and Identifying Numbers from 171 to 180:
Now, let’s count together. We will start from 171 and go up to 180. Please listen carefully and repeat after me: 171, 172, 173, 174, 175, 176, 177, 178, 179, 180. Well done! Now you know how to count from 171 to 180.

2. Writing Numbers from 1 to 180 in Numerals:
Now, let’s learn how to write these numbers in numerals. Remember, numerals are the symbols we use to represent numbers. I’ll write the numbers on the board, and you can follow along:

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, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 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, 160, 161, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175, 176, 177, 178, 179, 180.

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Evaluation

 

1. Write the number 50 in numerals:

a) Fifty b) 60 c) 40

 

2. Write the number 105 in numerals:

a) 1005 b) One hundred and five c) 150

 

3. Write the number 89 in numerals:

a) 99 b) Eighty-nine c) 79

 

4. Write the number 123 in numerals:

a) 213 b) One hundred and twenty-three c) 103

 

5. Write the number 76 in numerals:

a) 70 b) Seventy-six c) 86

 

6. Write the number 99 in numerals:

a) 79 b) Ninety-nine c) 109

 

7. Write the number 55 in numerals:

a) 50 b) Fifty-five c) 65

 

8. Write the number 180 in numerals:

a) One hundred and eighty b) 118 c) 280

 

9. Write the number 37 in numerals:

a) Thirty-seven b) 27 c) 47

 

10. Write the number 150 in numerals:

a) 140 b) One hundred and fifty c) 160

 

Choose the correct option for each question by filling in the blank. If you have any questions or need further assistance, feel free to ask!

3. Adding Two Whole Numbers with a Sum Not More Than 50:
Now, let’s move on to addition. Addition is when we put numbers together to find the total or sum. But today, we’re going to add two whole numbers, and make sure their sum is not more than 50. Let’s practice some examples together:

 

Example 1:

Let’s say we have the numbers 25 and 15. We want to find their sum. Let’s add them:

 

25

+   15

——-

40

 

The sum of 25 and 15 is 40. Since 40 is less than 50, it meets our condition.

 

Example 2:

Now, let’s take the numbers 35 and 20. We’ll add them:

 

35

+   20

——-

55

 

Uh-oh! The sum of 35 and 20 is 55, which is greater than 50. So, it doesn’t meet our condition.

 

Remember, when we’re adding two whole numbers with a sum not more than 50, we need to make sure the sum is less than or equal to 50.

 

Now, let’s try a few more examples together. I’ll give you some pairs of numbers, and I want you to find their sums and tell me if they meet our condition (a sum not more than 50):

 

Example 3:

Numbers: 12 and 20

Sum: 32 (Does it meet the condition? Yes or No?)

 

Example 4:

Numbers: 40 and 15

Sum: 55 (Does it meet the condition? Yes or No?)

 

Example 5:

Numbers: 8 and 15

Sum: 23 (Does it meet the condition? Yes or No?)

 

Take a moment to add the numbers and think about the answer. When you’re ready,  let me know your answers, one by one.

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Evaluation

 

1. Count and identify numbers from 171 to 180:

a) 170 b) 173 c) 178

 

2. Write numbers from 1 to 180 in numerals:

a) One hundred and twenty-four b) 156 c) 199

 

3. Add two whole numbers with a sum not more than 50:

a) 28 + 25 b) 40 + 15 c) 52 + 28

 

4. Count and identify the number after 179:

a) 181 b) 175 c) 183

 

5. Write the number 97 in numerals:

a) Seventy-seven b) 91 c) 97

 

6. Add two whole numbers with a sum not more than 50:

a) 43 + 17 b) 60 + 25 c) 38 + 22

 

7. Write the number 123 in numerals:

a) One hundred and twenty-three b) 132 c) 110

 

8. Count and identify the number before 172:

a) 167 b) 169 c) 175

 

9. Add two whole numbers with a sum not more than 50:

a) 19 + 28 b) 55 + 20 c) 64 + 38

 

10. Write the number 84 in numerals:

a) Eighty-four b) 85 c) 94

 

Lesson Plan Presentation

 

Subject: Mathematics

Grade Level: Primary 1

Topic: Numbers and Addition

Presentation:

Introduction (5 minutes):

  • Greet the students and introduce the topic of the lesson.
  • Explain the importance of counting, identifying numbers, writing them in numerals, and adding numbers.
  • Engage students by asking questions related to numbers and addition to activate prior knowledge.

Teacher’s Activities:

  1. Counting and Identifying Numbers from 171 to 180 (10 minutes):
  • Display the number flashcards from 171 to 180 on the board.
  • Lead a whole-class counting activity, where students repeat the numbers after the teacher.
  • Encourage students to identify and point to the numbers on the flashcards as they count.
  1. Writing Numbers from 1 to 180 in Numerals (15 minutes):
  • Explain the concept of numerals and how they represent numbers.
  • Demonstrate writing a few numbers in numerals on the board.
  • Distribute worksheets for students to practice writing numbers in numerals independently.
  • Circulate around the class to provide individual guidance and support as needed.
  1. Adding Two Whole Numbers with a Sum not more than 50 (15 minutes):
  • Introduce addition as combining two numbers to find the total or sum.
  • Explain the constraint of the sum not exceeding 50.
  • Model a few addition problems on the board and explain the steps.
  • Provide students with addition problems on the board and ask them to solve them independently.
  • Encourage students to use manipulatives or visual aids if needed.

Learners’ Activities:

  1. Counting and Identifying Numbers from 171 to 180:
  • Students actively participate in counting along with the teacher.
  • Students point to the corresponding numbers on the flashcards as they are being counted.
  1. Writing Numbers from 1 to 180 in Numerals:
  • Students practice writing numbers in numerals on their worksheets.
  • They engage in independent writing and seek assistance when needed.
  1. Adding Two Whole Numbers with a Sum not more than 50:
  • Students solve addition problems on the board independently.
  • They apply their understanding of addition to find the correct sum, ensuring it does not exceed 50.

Assessment:

  • During the lesson, the teacher continuously assesses students’ understanding and participation through observation and questioning.
  • Students’ worksheets and their ability to write numbers accurately in numerals provide evidence of their learning.

Evaluation Questions:

  1. What number comes after 175? a) 176 b) 170 c) 180
  2. Write the number 93 in numerals.
  3. Add 27 and 15. Is the sum more than 50? a) Yes b) No
  4. Write the number 126 in numerals.
  5. Count from 161 to 170.
  6. Add 38 and 9. Is the sum more than 50? a) Yes b) No
  7. What number comes before 179? a) 175 b) 180 c) 178
  8. Write the number 57 in numerals.
  9. Add 14 and 23. Is the sum more than 50? a) Yes b) No
  10. Write the number 88 in numerals.

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Conclusion (5 minutes):

  • Recap the main concepts covered in the lesson: counting and identifying numbers from 171 to 180, writing numbers in numerals, and adding two whole numbers with a sum not more than 50.
  • Reinforce the importance of these skills in everyday life.
  • Encourage students to practice counting, writing numerals, and addition in their daily activities.

Homework:

  • Assign homework tasks related to the topics covered in the lesson, such as practicing writing numbers in numerals or solving addition problems.
  • Provide clear instructions and encourage students to ask any questions if they need assistance.

Note: The lesson plan can be adapted and modified based on the specific needs and classroom environment.

 

Third Term Scheme Mathematics Primary 1

 

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Third Term Examinations Primary 1 Mathematics

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