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            1- Number less than 9
            
            
            
        
        
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            2-Addition
            
            
            
        
        
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            3- Subtraction
            
            
            
        
        
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            4- Tens
            
            
            
        
        
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            5- Numbers less than 99
            
            
            
        
        
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            6- Comparaison the two-digit numbers
            
            
            
        
        
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            7- The composition Decomposition of a number
            
            
            
        
        
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            8- Dozens
            
            
            
        
        
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            9- Addition without carry
            
            
            
        
        
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            10- subtraction without borrowing
            
            
            
        
        
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            11- Subtraction-remains
            
            
            
        
        
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            12- Subtraction-needed
            
            
            
        
        
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            13- Addition With carry
            
            
            
        
        
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            14- Subtraction with borrowing
            
            
            
        
        
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            15- Revision
            
            
            
        
        
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            16- Using the ruler
            
            
            
        
        
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            17- Lines
            
            
            
        
        
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            18- segments of straight lines
            
            
            
        
        
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            19- Numbers less than 200
            
            
            
        
        
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            20- introduction to graphing
            
            
            
        
        
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            21- addition of three digits numbers
            
            
            
        
        
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            22- Subtraction of three digits number
            
            
            
        
        
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            23- Symmetry
            
            
            
        
        
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            24- Addition of three numbers
            
            
            
        
        
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            25- Numbers Less than 1000
            
            
            
        
        
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            26- Multiplication
            
            
            
        
        
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            27- Multiplication by 2
            
            
            
        
        
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            28- Multiplication by 3
            
            
            
        
        
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            29- Measurment of length
            
            
            
        
        
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            30- Measurment of length
            
            
            
        
        
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            31- Multiplying by 4
            
            
            
        
        
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            32- Polygon
            
            
            
        
        
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            33- Triangle and quadrileteral
            
            
            
        
        
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            34- Rectangle and square
            
            
            
        
        
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            35- Multiplying by 5
            
            
            
        
        
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            36- Multiplying by 0
            
            
            
        
        
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            37-Perimeter
            
            
            
        
        
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            38- Multiplying by 6
            
            
            
        
        
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            39- Multiplying by 7
            
            
            
        
        
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            40- Multiplying by 8 and 9
            
            
            
        
        
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            41- thousand
            
            
            
        
        
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            42- Heavier
            
            
            
        
        
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            43- Lighter
            
            
            
        
        
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            44- Measurment of mass
            
            
            
        
        
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            45- Multiplying 2 digit by 1digit number
            
            
            
        
        
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            46- Multiplying 3 digit by 1digit number
            
            
            
        
        
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            47- Reading a time
            
            
            
        
        
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            48- Grouping and division