Mathematics - Primary 1 - Addition and subtraction on number line

Addition and subtraction on number line

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Term: 2nd Term

Week: 10

Class: Primary 1
Age: 6 years
Duration: 40 minutes (4 periods)
Date:
Subject: Mathematics
Topic: Addition and Subtraction on Number Line

SPECIFIC OBJECTIVES:

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

  • Use a number line to solve addition and subtraction problems.
  • Understand how to move forward (addition) and backward (subtraction) on a number line.

INSTRUCTIONAL TECHNIQUES:

  • Step-by-step demonstration with a number line.
  • Interactive questioning.
  • Practice with visual aids.

INSTRUCTIONAL MATERIALS:

  • Large number line chart.
  • Counters.
  • Chalkboard and chalk.

 

INSTRUCTIONAL PROCEDURES

PERIOD 1 and 2:

PRESENTATION

TEACHER’S ACTIVITY

PUPIL’S ACTIVITY

STEP 1: INTRODUCTION

- Greet pupils and introduce the number line. - Show how to use the number line to add and subtract (e.g., moving right for addition and left for subtraction).

- Greet the teacher. - Listen and observe how to use the number line.

STEP 2: EXPLANATION

- Explain how to use the number line for addition and subtraction (e.g., 5 + 3, move 3 steps to the right).

- Listen carefully and observe the explanation.

STEP 3: INTERACTIVE SESSION

- Ask pupils to practice addition and subtraction problems using the number line. - Walk around to assist.

- Solve problems using the number line and share answers.

STEP 4: NOTE TAKING

- Write problems on the board and have pupils copy them into their notebooks, solving with the number line.

- Copy problems into their notebooks and solve using the number line.

 

EVALUATION:

  1. What is 6 + 2 on the number line?
  2. Subtract 4 from 9 using the number line.

CLASSWORK:

  • Solve addition and subtraction problems using the number line in their notebooks.

CONCLUSION:

Teacher praises the pupils for their use of the number line in solving problems.