Mathematics - Primary 4 - Addition of whole numbers (Thousands, Hundreds, Tens and Units)

Addition of whole numbers (Thousands, Hundreds, Tens and Units)

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Term: 1st Term

Week: 6

Class: Primary 4
Age: 9 years
Duration: 40 minutes of 5 periods
Date:
Subject: Mathematics
Topic:

  • Addition of whole numbers (Thousands, Hundreds, Tens and Units)
  • Subtraction of whole numbers
  • Quantitative reasoning on basic operations

SPECIFIC OBJECTIVES:

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

  1. ) Add whole numbers correctly (with and without regrouping)
  2. ) Subtract whole numbers correctly
  3. ) Solve word problems involving addition and subtraction
  4. ) Apply operations in real-life quantitative reasoning

 

INSTRUCTIONAL TECHNIQUES:

Explanation, demonstration, questioning, use of flashcards and real-life scenarios

INSTRUCTIONAL MATERIALS:
Charts, base-ten blocks, place value tables, flashcards, worksheets

 

PERIOD 1 and 2

PRESENTATION

TEACHER’S ACTIVITY

PUPIL’S ACTIVITY

STEP 1: INTRODUCTION

Reviews place values and introduces whole number addition

Respond and recall previous learning

STEP 2: EXPLANATION

Explains regrouping in thousands, hundreds, tens, and units

Listen and ask questions

STEP 3: DEMONSTRATION

Solves examples like 3,245 + 2,357; 9,998 + 6

Solve along with teacher

STEP 4: NOTE TAKING

Writes steps of addition in notebooks

Copy and complete class notes

EVALUATION:

  1. Add:
    a. 2,300 + 4,270
    b. 8,900 + 155

CLASSWORK: As in evaluation
ASSIGNMENT:
Add the following:

  1. 9,876 + 123
  2. 1,234 + 5,432

 

PERIOD 3 and 4

PRESENTATION

TEACHER’S ACTIVITY

PUPIL’S ACTIVITY

STEP 1: INTRODUCTION

Introduces subtraction and reviews examples

Listen attentively

STEP 2: EXPLANATION

Teaches subtraction with and without regrouping

Answer subtraction questions

STEP 3: DEMONSTRATION

Solves examples like 5,000 - 3,500; 7,000 - 2,999

Solve and participate

STEP 4: NOTE TAKING

Pupils write solved problems and method

Copy and practice

EVALUATION:

  1. Subtract:
    a. 8,000 - 2,456
    b. 6,780 - 3,098

CLASSWORK: As in evaluation
ASSIGNMENT:
Subtract:

  1. 4,700 - 1,230
  2. 9,999 - 1

 

PERIOD 5

PRESENTATION

TEACHER’S ACTIVITY

PUPIL’S ACTIVITY

STEP 1: INTRODUCTION

Reviews the two operations

Participate in oral drills

STEP 2: EXPLANATION

Solves quantitative reasoning questions

Engage and solve

STEP 3: DEMONSTRATION

Applies addition/subtraction to real-life scenarios

Try solving given problems

STEP 4: NOTE TAKING

Pupils write guided examples and explanations

Copy and solve practice problems

EVALUATION:

  1. James has 3,200 Naira. He gives 1,450 Naira to his brother. How much is left?
  2. A class has 2,345 pupils. 1,230 left for an event. How many remain?

CLASS ACTIVITY: Word problem challenge
CLASSWORK: As in evaluation
ASSIGNMENT:
Solve:

  1. If you buy a book for ₦2,455 and pay ₦5,000, what is your change?

A truck carries 7,650 mangoes. 4,300 fall off. How many are left?