What Is a Subtraction Table in Math?
A subtraction table in math is a tabular representation of numbers arranged in rows and columns that enables us to determine the difference between two numbers only via observation rather than through calculation.
Subtraction is one of the four basic arithmetic operations in mathematics. Subtraction in math is a process of finding the difference between two numbers. Let’s quickly understand important terms in a subtraction equation.
- Minuend: The first number, the number from which another number will be subtracted
- Subtrahend: The second number, the number to be subtracted
Identifying the subtrahend and the minuend will help in reading and writing the subtraction table.
The subtraction table makes the process of subtraction easier. It is formed by arranging the numbers in rows and columns in a certain pattern.
Using the subtraction table, we can calculate the difference between two numbers without doing the calculation.
A basic subtraction chart takes you through the subtraction of numbers from 1 to 10.
Let’s take an example to understand how to read a subtraction table:
Ex: 6 – 9
Step 1: Look first for a number in the horizontal row. (Here, we need to find number 6 in the horizontal row)
Step 2: subtract from that number by selecting a number in the leftmost column (Here, we need to find number 9 in the FIRST column)
Step 3: Move along the row and down the column to find the cell where they meet. The number written in the cell is the answer. The answer here is -3.
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