• Unit 1: Whole numbers from 0 up to 200

    1.1 Count, read and write whole numbers from 0 up to 200

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    1.2 Place value of each digit for numbers from 0 up to 200

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    591.3. Comparison of numbers from 0 up to 200

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    1.4 Arranging numbers within 200 in ascending and descending order

    1.4.1 Arranging numbers from smallest to the largest.

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    1.4.2 Arranging numbers in descending order

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    1.5 Addition of numbers whose sum does not exceed 200

    1.5.1 Mental calculation

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    1.5.2 Addition without carrying

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    1.5.2 Addition with carrying

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    1.6 Word problems involving numbers whose sum does not exceed 200

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    Example:

    In the first week our school enrolled 123 new pupils. In the second week the school received other 54 new pupils. Find the total number of new pupils in this two weeks.

    Solution:

    Given:

    In the first week: 123

    In the second week: 54

    Question: The total or the sum

    Answer: 123 + 54 = 177.

    The total number of new pupils in this two weeks is 177.

    Note: To solve a problem, make up a number sentence from a given number story.

    123 + 54 = 177 is a number sentence.

    Solve the following problems:

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    1.7 Subtraction within the range of 200

    1.7.1 Mental work

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    261.7.2 Subtraction without Borrowing

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    1.7.3 Subtraction with Borrowing

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    Activity 1.7.7Hundreds

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    1.8 Solve problems involving subtraction in real life situations

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    Example:

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    Solution:

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    Note

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    Solve the following problems:

    1. Our school has 200 cocks. If the headmaster sells 50 cocks, how many cocks will remain?

    2.     Uwera had 170 eggs. In this morning uwera sold 60 eggs. How many eggs left?

    3.      In the exam, Mugisha scored 156. If the pass mark is 200 marks. How many marks does he need to get the pass mark? 

    4.      Shimwa produced 166 sacks of rice. Shema produced 187 sacks of rice. Find the difference between their sacks. 

    5.     The family of Keza bought 178 cobs of maize. At the evening, they gave 69 cobs of maize to their visitors. How many cobs of

             maize were left? 

    6. Kayiranga took 195 pineapples to the market. People bought 139 pineapples only. How many pineapples did he bring back

          home?

     7.      Our village has 187 families. 149 families have cows, How many families do not have cows in our village? 

    8.     Muhizi had 187 sacks of cement. If 39 sacks will be used during the construction of the walls of his house, how many sacks of

                 cement will remain? 

    9.  Bwiza Village has 172 families. If only 148 families of this village have health insurance , How many families of Bwiza village are

          not insured?

    1.9 Multiplication of whole numbers by 2 and the multiples of 2

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    Note

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    1. Complete the multiplication table by 2.

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    2. Fill in the missing number in the multiplication table

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    1.10 Multiply a two-digit number by 2

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    I have learnt that:

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    1.11 Word problems involving the multiplication by 2

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    Solution:

    The number of people : 42 x 2 = 84

    The number of people is 84.

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    1.12 Division without a Remainder of a two or three-digit number by 2

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    I have learnt that:

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    I have learnt:

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    1.13 Word problems involving the division of a number by 2

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    Example:

    If the sector shares 148 books between 2 schools equally. How many books will each school get?

    Solution:

    The number of books for each school: 148 : 2 = 74 

    The number of books for each school is 74.

    Then solve the following problens:

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    1.14 Multiplication of whole numbers by 3 and the multiples of 3

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    1.15 Multiply a two-digit number by 3

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    I have learnt:

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    31.16 Word problems involving the multiplication by 3 

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    Example:

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    Work out the following problems:

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    1.17 Division without a Remainder of a two or three-digit number by 3

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    1.18 Word problems involving the division of a number by 3

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    Example:

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    Solution:

    Laptops to be shared to each school: 189 : 3 = 63 

    The number of Laptops to be shared to each school is 63.

    Solve the following problens:

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    END UNIT ASSESSMENT 1

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    UNIT 2: Whole numbers from 0 up 2 to 500