Revision Mathematics Primary 2 Week 11 First Term Plan Lesson Notes

Subject: Mathematics

Class: Primary 2

Term: First Term

Week: 11

Topic: Revision

Sub-topic: Basic Arithmetic Operations

Duration: 40 minutes

Entry Behaviour: Students should be able to recognize numbers up to 100, count by tens, and perform basic addition and subtraction.

Key Words: Revision, Addition, Subtraction, Numbers.

Behavioural Objectives:

1. By the end of the lesson, students should recall and demonstrate the addition and subtraction of numbers up to 20.
2. Students should count by tens confidently.
3. Students should be able to identify and write numbers up to 100.

Embedded Core Skills: Numeracy, Critical Thinking, Problem Solving.

Learning Materials:

1. Number cards
2. Whiteboard and markers
3. Counting beads
4. Basic addition and subtraction flashcards

Content:

1. Quick review of counting by tens.
2. Revision of addition and subtraction with numbers up to 20.
3. Identifying and writing numbers up to 100.
4. Problem-solving activities involving basic arithmetic.

1. Counting by Tens:

• Quick review to reinforce counting by tens up to 100.
• Utilize interactive methods, such as counting beads or a number line.

2. Revision of Addition and Subtraction (Numbers up to 20):

• Engage students in hands-on addition and subtraction activities.
• Use number cards or whiteboards for interactive problem-solving.

3. Identifying and Writing Numbers up to 100:

• Introduce numbers up to 100, focusing on correct number formation.
• Encourage students to practice identifying and writing these numbers.

4. Problem-Solving Activities Involving Basic Arithmetic:

• Implement practical problem-solving exercises.
• Utilize flashcards or real-world scenarios for application of addition and subtraction.

Ensure a balance between theoretical understanding and practical application throughout these activities, fostering a comprehensive understanding of basic arithmetic concepts

1. What is the result of 12 + 9 – 5?
   • a) 16
   • b) 18
   • c) 20
   • d) 22
2. In the subtraction problem 18 – 9 = __________.
   • a) 6
   • b) 8
   • c) 9
   • d) 12
3. Write the number __________ in words: 84.
   • a) Eighty-Four
   • b) Ninety-Four
   • c) Seventy-Four
   • d) Eighty-Two
4. What comes before 90 in the sequence 80, __________, 90, 100?
   • a) 85
   • b) 87
   • c) 88
   • d) 89
5. Explain how counting by __________ can help in addition and subtraction.
   • a) Fives
   • b) Tens
   • c) Twenties
   • d) Fifties
6. The sum of 25 and 14 is __________.
   • a) 29
   • b) 35
   • c) 39
   • d) 41
7. Write the next three numbers after 68: 68, __________, __________, __________.
   • a) 70, 75, 80
   • b) 72, 76, 80
   • c) 70, 72, 74
   • d) 70, 74, 78
8. How do you solve a __________ problem?
   • a) Multiplication
   • b) Division
   • c) Subtraction
   • d) Addition
9. The __________ digit in the number 53 is 3.
   • a) Hundreds
   • b) Tens
   • c) Units
   • d) Thousands
10. Identify the missing number in the sequence: 20, 30, __________, 50.
    • a) 35
    • b) 40
    • c) 45
    • d) 55
11. Counting by __________ allows us to reach 100 quickly.
    • a) 2
    • b) 5
    • c) 10
    • d) 15
12. In the addition problem 8 + 6 = __________.
    • a) 12
    • b) 14
    • c) 16
    • d) 18
13. Write the number __________ in words: 37.
    • a) Thirty-Seven
    • b) Forty-Seven
    • c) Twenty-Seven
    • d) Seventy-Three
14. The subtraction 15 – 7 = __________.
    • a) 6
    • b) 8
    • c) 10
    • d) 12
15. What comes after 50 in the sequence 40, 50, __________, 70?
    • a) 60
    • b) 65
    • c) 70
    • d) 75

Presentation:

• Step 1: Introduction (5 minutes)
  • Begin with a quick counting exercise by tens.
  • Review the concept of addition and subtraction.
• Step 2: Main Activity (25 minutes)
  • Use number cards for a hands-on addition and subtraction activity.
  • Engage students in solving simple arithmetic problems on the whiteboard.
  • Introduce numbers up to 100, emphasizing correct formation.
• Step 3: Reinforcement (10 minutes)
  • Use counting beads for a practical exercise on counting by tens.
  • Distribute basic addition and subtraction flashcards for paired practice.
  • Encourage students to explain their problem-solving strategies.

Teacher’s Activities:

• Facilitate the counting exercise.
• Guide students through addition and subtraction problems.
• Provide individual and group assistance as needed.

Learners’ Activities:

• Participate in counting by tens.
• Solve addition and subtraction problems individually and in pairs.
• Engage in hands-on activities with counting beads.

Assessment:

• Observe students’ understanding during the counting exercise.
• Evaluate the accuracy of addition and subtraction solutions on the whiteboard.
• Assess individual and group performance during the hands-on activities.

Evaluation Questions Related to the Topic:

1. Can you count by tens up to 100?
2. Solve the addition problem: 15 + 7.
3. Write the number in words: 42.
4. Perform subtraction: 18 – 9.
5. Identify the missing number in the sequence: 20, 30, __, 50.
6. What is the sum of 25 and 14?
7. Write the next three numbers after 68.
8. How do you solve a subtraction problem?
9. Identify the place value of the digit 7 in the number 73.
10. Explain how counting by tens can help in addition and subtraction.

Conclusion on the Topic: In conclusion, this lesson focused on revisiting fundamental mathematical concepts, including counting by tens, addition, and subtraction. The hands-on activities aimed to reinforce these skills, ensuring that students are confident in their ability to perform basic arithmetic operations and identify numbers up to 100. Regular practice and application of these concepts will contribute to a solid foundation in mathematics for Primary 2 students.