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Place value is the basis of our entire number system. This is the system in which the position of a digit in a number determines its value. Place value can be defined as the value represented by a digit in a number on the basis of its position in the number.

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Addition is a way of combining things and counting them together as one large group. Addition in math is a process of combining two or more numbers. Addends are the numbers added, and the result or the final answer we get after the process is called the sum

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Subtraction means to take away from a group or a number of things. When we subtract, the number of things in the group reduces or becomes less. The minuend, subtrahend, and difference are parts of a subtraction problem.

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Multiplication means to add equal groups. When we multiply, the number of things in the group increases. Multiply means the repeated addition of groups of equal sizes.

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Division is a simple operation in which a number is divided. It's easiest to think of it as a number of objects being divided among a certain number of people,Division in maths is the process of breaking a number up into equal parts, and finding out how many equal parts can be made.