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Basic Operations

1.6 Basic Operations
 
   
We will learn to solve basic mathematical operations.  
   
ADDITION (+)  
   
FOR EXAMPLE:  
\(3\,142+73+14\,572=\color{magenta}{17 \,787}\)  
   
Step 1:
\(\begin{array}{rr} \small{\color{red}{1}}\quad\space\space\space \\3\,\space\space1\space4\space2 \\+\quad\quad\space\space\space7\space3 \\\hline3\,\space\space2\space1\space5\\\hline \end{array} \)		  
   
Step 2:
\(\begin{array}{rr} 1\space4\,\space\space5\space7\space2 \\+\quad\quad3\,\space\space2\space1\space5 \\\hline1\space7\,\space\space7\space8\space7\\\hline \end{array} \)		  
   
SUBTRACTION (-)  
   
FOR EXAMPLE:  
\(92\,085-57\,956=\color{magenta}{34 \,129}\)  
   
\(\begin{array}{rr} \small{\color{green}{11}}\quad\quad\quad\space\space\space \\\small{\color{red}{8}}\space\space\space\cancel{\small{\color{green}{1}}}\,\space\space\small{\color{red}{10}}\space\space\small{\color{green}{7}}\space\small{\color{red}{15}} \\\cancel{9}\space\space\cancel{2}\,\space\space\space\cancel{0}\space\space\cancel{8}\space\space\cancel{5} \\-\quad\quad\quad5\space\space7\,\space\space\space9\space\space5\space\space6 \\\hline3\space\space4\,\space\space\space1\space\space2\space\space9 \\\hline \end{array}\)  
   
MULTIPLICATION (\(\times\))  
   
FOR EXAMPLE:  
\(728\times28=\color{magenta}{20 \,384}\)  
\(\begin{array}{rr} \small{\color{green}{1}}\space\space\space\, \\\small{\color{red}{2}}\space\space\small{\color{green}{6}}\space\space\space\, \\7\space2\space8 \\\times\quad\quad\quad\space\space\,2\space8 \\\hline5\,\space\space8\space2\space4 \\+\quad1\space4\,\space\space5\space6\space\space\space \\\hline2\space0\,\space\space3\space8\space4 \\\hline \end{array}\)  
   
DIVISION (\(\div\))  
   
FOR EXAMPLE:  
\(62\,510\div10=\color{magenta}{6 \,251}\)  
   
\(\begin{aligned} 62\,510\div10&=\dfrac{62\,51\cancel{0}}{1\cancel{0}} \\&={\color{magenta}{6\,251}} \end{aligned}\)  
   

 

The views expressed in the notes here are those of the contributor and don’t necessarily represent the views of pandai.

Basic Operations

1.6 Basic Operations
 
   
We will learn to solve basic mathematical operations.  
   
ADDITION (+)  
   
FOR EXAMPLE:  
\(3\,142+73+14\,572=\color{magenta}{17 \,787}\)  
   
Step 1:
\(\begin{array}{rr} \small{\color{red}{1}}\quad\space\space\space \\3\,\space\space1\space4\space2 \\+\quad\quad\space\space\space7\space3 \\\hline3\,\space\space2\space1\space5\\\hline \end{array} \)		  
   
Step 2:
\(\begin{array}{rr} 1\space4\,\space\space5\space7\space2 \\+\quad\quad3\,\space\space2\space1\space5 \\\hline1\space7\,\space\space7\space8\space7\\\hline \end{array} \)		  
   
SUBTRACTION (-)  
   
FOR EXAMPLE:  
\(92\,085-57\,956=\color{magenta}{34 \,129}\)  
   
\(\begin{array}{rr} \small{\color{green}{11}}\quad\quad\quad\space\space\space \\\small{\color{red}{8}}\space\space\space\cancel{\small{\color{green}{1}}}\,\space\space\small{\color{red}{10}}\space\space\small{\color{green}{7}}\space\small{\color{red}{15}} \\\cancel{9}\space\space\cancel{2}\,\space\space\space\cancel{0}\space\space\cancel{8}\space\space\cancel{5} \\-\quad\quad\quad5\space\space7\,\space\space\space9\space\space5\space\space6 \\\hline3\space\space4\,\space\space\space1\space\space2\space\space9 \\\hline \end{array}\)  
   
MULTIPLICATION (\(\times\))  
   
FOR EXAMPLE:  
\(728\times28=\color{magenta}{20 \,384}\)  
\(\begin{array}{rr} \small{\color{green}{1}}\space\space\space\, \\\small{\color{red}{2}}\space\space\small{\color{green}{6}}\space\space\space\, \\7\space2\space8 \\\times\quad\quad\quad\space\space\,2\space8 \\\hline5\,\space\space8\space2\space4 \\+\quad1\space4\,\space\space5\space6\space\space\space \\\hline2\space0\,\space\space3\space8\space4 \\\hline \end{array}\)  
   
DIVISION (\(\div\))  
   
FOR EXAMPLE:  
\(62\,510\div10=\color{magenta}{6 \,251}\)  
   
\(\begin{aligned} 62\,510\div10&=\dfrac{62\,51\cancel{0}}{1\cancel{0}} \\&={\color{magenta}{6\,251}} \end{aligned}\)  
   

 

The views expressed in the notes here are those of the contributor and don’t necessarily represent the views of pandai.
Chapter : Whole Numbers and Basic Operations
Topic : Solve division number sentences of any number within 1 000 000 with a number up to two digits, 100 and 1000
Year 5 Mathematics
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