write some easy methods on fundamental operations
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Fundamental operation in simplifying mathematical expressions consisting of the same type of operation, we perform one operation at a time generally starting from the left towards the right. If an expression has more than one fundamental operation, you cannot perform operations in the order they appear in the given question. We need follow the rules to perform the operations. Some operations have to be performed before the others. That is, each operation has its own precedence.
Generally, the order in which we perform operations sequentially from left to right is: division, multiplication, addition, subtraction.
Generally, the order in which we perform operations sequentially from left to right is: division, multiplication, addition, subtraction.
This order is expressed in short as ‘DMAS’ where ‘D’ stands for division, ‘M’ stands for multiplication, ‘A’ stands for addition and, ‘S’ for subtraction.
We first need to perform operation of the divisions and multiplications starting from the left towards the right and then perform operation of the additions and subtractions from the left to right.
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Fundamental operations on Whole NumbersThe fundamental operations on whole numbers are addition, subtraction, multiplications, and division.
-->Addition: Addition means combining parts to get a whole.
Example: Meena has 5 chocolates in her purse. Her mom gave her 7 more chocolates. How many chocolates does she have in total?Total Chocolates in Meena’s Purse = 5 chocolates + 7 Chocolates = 12 Chocolates.
Subtraction: Subtraction is the study of arithmetic operation for finding the difference between the two quantities or numbers.
Example:1) 6 - 6 = 0The value 6 minus value 6 equal to 0The solution is 0(zero).2) 12 – 24 = - 12The value 12 minus value 24 equal to minus 12The solution is minus 12
Multiplication: Multiplication is one type of arithmetic operations and repeated one number to the number of times equal to the other number. Symbol used for subtraction (x).
Example: 229*101 means 101 times 229= 100 times 229 + one time 229 ( by using multiplication method)= 22900 + 229= 23129
Division:-->Division is one type of arithmetic operations and it is the process of repeated subtraction. Symbol used for division (÷).Example: Divide 40 by 8Solution:40– 8 … (1)____32– 8 … (2)____24– 8 … (3)____16– 8 … (4)____8– 8 … (5)____0____So, 40 is divided by 8 in 5 times 40 ÷ 8 = 5
-->Addition: Addition means combining parts to get a whole.
Example: Meena has 5 chocolates in her purse. Her mom gave her 7 more chocolates. How many chocolates does she have in total?Total Chocolates in Meena’s Purse = 5 chocolates + 7 Chocolates = 12 Chocolates.
Subtraction: Subtraction is the study of arithmetic operation for finding the difference between the two quantities or numbers.
Example:1) 6 - 6 = 0The value 6 minus value 6 equal to 0The solution is 0(zero).2) 12 – 24 = - 12The value 12 minus value 24 equal to minus 12The solution is minus 12
Multiplication: Multiplication is one type of arithmetic operations and repeated one number to the number of times equal to the other number. Symbol used for subtraction (x).
Example: 229*101 means 101 times 229= 100 times 229 + one time 229 ( by using multiplication method)= 22900 + 229= 23129
Division:-->Division is one type of arithmetic operations and it is the process of repeated subtraction. Symbol used for division (÷).Example: Divide 40 by 8Solution:40– 8 … (1)____32– 8 … (2)____24– 8 … (3)____16– 8 … (4)____8– 8 … (5)____0____So, 40 is divided by 8 in 5 times 40 ÷ 8 = 5
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