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SECOND TERM MATHEMATICS SCHEME OF WORK FOR PRIMARY FOUR (4)/ BASIC FOUR (4)

               WEEK 1 CONTENTS

  1. MULTIPLICATION OF WHOLE NUMBERS BY 2 DIGIT NUMBER NOT EXCEEDING 50.
  2. MULTIPLICATION OF DECIMAL BY 2 DIGIT NUMBERS.
  3. MULTIPLICATION OF DECIMAL BY DECIMAL.

 LESSON OBJECTIVE: Pupils should be able to:

  • Multiply whole numbers By 2 digit number not Exceeding 50 e.g.
    15× 42.
  • Multiply decimals by 2 Digit numbers e.g.
    1.8 × 13.
  • Multiply decimal by decimals e.g. 2.3×1.2 = 2.3 – 1 decimal place.

QUANTITATIVE REASONING:  Solve quantitative aptitude Problems involving Multiplication of whole Numbers and decimals.

WEEK 2 CONTENT:

  1. SQUARE OF ONE AND TWO DIGIT NUMBERS.
  2.  SQUARE ROOT OF ONE AND TWO DIGIT NUMBER.
  3. SQUARE ROOT OF PERFECT SQUARE UP TO 400.

LESSON OBJECTIVE: Pupils should be able to:

  1. Calculate square of 1 and 2 digit numbers.
  2. Find the square root of Perfect squares up to 400.
  3. Bring a square chart of 20 by 20.
  4. Interpret and solve the Problems.

QUANTITATIVE REASONING:  Solve quantitative aptitude on Problems involving square and Square root of numbers.

WEEK 3 CONTENTS: DIVISION OF TWO OR 3 DIGIT BY

  1. NUMBERS UP TO 9 WITHOUT A REMINDER.
  2. MULTIPLE OF 10 UP TO 50.

 LESSON OBJECTIVE: Pupils should be able to:

  1. Divide 2 or 3 digit numbers by Number up to 9 with or without
    Remainder. 144÷ 3
  2. Divide by multiple of 10 up to 50
  3. Appreciate equality of sharing Things like money, fruits, books in Everyday activities.
  4. Interpret and solve Problems on division.

Examples: – Share 75 nuts among 5 children, how many nuts does each child get?
Total nuts = 75
Total children = 5
each child gets = 75/5

= 15 nuts each

QUANTITATIVE REASONING:  Solve quantitative aptitude Problems involving division of Whole numbers.

WEEK 4 CONTENTS

  1. COMMON MULTIPLES OF NUMBERS UP TO 9.
  2. LCM OF NUMBERS.

LESSON OBJECTIVE: Pupils should be able to:

  1. Write out multiples of Numbers up to 9 e.g.
    2 = 2, 4, 6, 8, 10, 12, – – – –
    3 = 3, 6, 9, 12, 15, 18 – – – -.
  2. Identify common multiples in numbers e.g. from up we
    Have 6 and 12.
  3. Calculate the least common Multiple of numbers.
    Multiples of 3 are
    3,6,9,12,15,18,21,24, – – – –
    Multiple of 4 are
    4,8,12,16,20,24,28,32, – – – –
    Common multiples of 3 and 4 are
    12 and 24. The least common Multiple of 3 and 4 is 12
  4. Appreciate the use of Common multiple in working out Things from various group e.g. what is the smallest length of String that can be cut into pieces
    of 4cm and 5cm without any remainder.
  5. QUANTITATIVE REASONING: Solve qualitative aptitude
    Problems involving LCM of Two numbers up to 9. E.g. fill in The missing figures
    5 = 5, 10, 15, 20, – – – – – – –
    8 = 8, 16, 24, 32, – – – – – – –

WEEK 5 CONTENTS

  1. FACTORS OF NUMBER.
  2. HCF OF 2 – DIGIT NUMBERS

LESSON OBJECTIVE: Pupils should be able to:

  1. Find the factors of numbers e.g. Write down all the factors of4 and 30
    4 = 1, 2, 4
    30 = 1, 2, 3, 5, 6, 10, 15, 30
    Complete the following;
    27 = 1, 3, – – – –
    18 =1, 2, – – – -.
  2. Find all the common factors and HCF of 15 and 20
    15 = 1, 3, 5, 15,
    20 = 1, 2, 4, 5, 10, 20
    CF = 1 and 5
    Highest common factor(HCF)=5

QUANTITATIVE REASONING:  Solve quantitative aptitude Problems involving HCF of two Digit numbers.

WEEK 6 CONTENTS: ESTIMATION

LESSON OBJECTIVE: Pupils should be able to:

  1. Identify actual numbers
  2. Round-up of numbers
  3. Add round-up numbers Together
  4. Subtract round-up numbers
  5. Multiply round-up of numbers
  6. Divide round-up of numbers e.g.

99.7 + 59.5 = 100+6 = 160
198×29 = 200 ×30 = 6000
Appreciate the use of estimates in Everyday activities e.g. Find the difference between the Estimate and actual sum of 59.8
And 49.6?
= (60+50) – (59.8+49.6)
= 110 – 109.4
= 0.6

QUANTITATIVE REASONING:  Solve quantitative aptitude Problems involving estimation e.g. Circle the correct estimate for each of these.

WEEK 7 CONTENT: MONEY

  1. ADDITION OF MONEY.
  2. SUBTRACTION OF MONEY.
  3. THE USE OF MONEY IN EVERYDAY BUSINESS TRANSACTION.

LESSON OBJECTIVE: Pupils should be able to:

  1. Solve problems on addition of Money e.g.
    ₦ 4.80 + ₦5.10 = ₦ 9.90
    ₦4.80
    ₦5.10
    ₦ 9.90
  2. Solve problems on Subtraction of money e.g.
    ₦ 8.56 – ₦3.34 = ₦5.22
    ₦8.56
    ₦3.34
    ₦5.22
  3. Make use of naira and kobo to Calculate sales (shopping) in Everyday business transactions. e.g.
    (a). Bola bought packet of pencil For ₦50.52, a book for ₦28.32
    And an eraser for ₦5.00, how Much did he spend?
    (b). A man went to the market with ₦ 90.50. if he spent ₦25.76 on a Book, how much balance did he Collect?

QUANTITATIVE REASONING:  Give exercises on quantitative
Reasoning.

WEEK 8 CONTENT: Multiplication of Whole numbers.

  1. Multiplication of Money by a whole Number.
  2. Word problems on Multiplication of money.

LESSON OBJECTIVE: Pupils should be able to:

  1. Multiply money by a whole Number.
  2. Apply multiplication of items in Real life situation e.g. find the cost Of 5 school chairs at ₦500 per Chair.

QUANTITATIVE REASONING:  Give exercises on quantitative
Reasoning.

WEEK 9 CONTENT:

  1. DIVISION OF MONEY BY A WHOLE NUMBER.
  2. WORD PROBLEM ON DIVISION OF MONEY.

LESSON OBJECTIVE: Pupils should be able to:

  1. Divide money by a whole e.g. ₦7.50 : 5
  2. Appreciate division of things in Real life situation e.g. A worker earn ₦1536.00 in a year. How much does he earn in a Month?

QUANTITATIVE REASONING: Give examples on quantitative.

WEEK 10 CONTENT: PROFIT AND LOSS.

LESSON OBJECTIVE: Pupils should be able to:

  1. Calculate profit on a good sold e.g. Cost prince (CP) = ₦2.50
    Selling price (SP) =₦3.10
    Gain/Profit = SP−CP= ₦(3.10−2.50)
    = ₦0.60 or 60 kobo
  2. Calculate loss on a good sold e.g. Cost prince = ₦20.40
    Selling prince = ₦18.59
    Loss = CP –SP = ₦20.40−₦18.59
    = ₦1.81

Calculate the cost price of a good sold at a particular profit or loss e.g.
Cp=? ; SP= ₦20.00; loss = ₦2.10
Cp=? ; SP= ₦50.40; Profit = ₦5.30

  1. Calculate the selling price of a Good sold at a particular profit or loss

e.g. CP= ₦70.30

SP=?

Loss =₦6.15

CP=₦40.37
SP=?
Profit=₦8.13

  1. Subtract two proper fractions.
  2. Add proper fraction and Mixed numbers.
  3. Subtract proper fractions and mixed numbers.

Quantitative Aptitude:  Solve quantitative aptitude.

WEEK 11 CONTENT: OPEN SENTENCES

LESSON OBJECTIVE: Pupils should be able to:

  1. Define open sentences as the Mathematical statements that involve
    the equality sign (at this level) and a Missing quantity (represented) with an empty box). Open sentences Involves the four arithmetic Operations: Addition, subtraction, Multiplication and division.

QUANTITATIVE REASONING:  Solve problems on quantitative.

WEEK 11:  REVISION OF SECOND TERMS WORKS

WEEK 13:   EXAMINATION

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