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Multiplication tables are the foundation for numerous advanced mathematical concepts. One of the most challenging arithmetic tables below 20 is the table of 18. The 18 tables demonstrate how frequently the number 18 adds to itself. The number multiplied by it will determine how many times 18 will be added to itself. For instance, 18 times 3 results in\begin{equation}
18+18+18=54 \end{equation} .
The table of 18 is a multiplication table that uses double the multiples we get from the 9 times table. If you know the 9 times table but are having trouble learning the 18 times table, this approach is for you. 18 is equal to 2 multiplied by 9. Therefore, all you have to do to find the answers to the multiplication table of 18 is double the multiples of 9.
A multiplication table lists all the multiples of a given number. It's a tool for learning how to multiply two numbers. A times table allows us to calculate solutions rapidly. Multiplication tables provide the foundation for multi-digit computations and fraction, percentage, and factoring problems. These times tables from 1 to 20 aid a youngster's mental arithmetic and prepare the child to tackle more complex computations.
Example 1: What is the value of 18 times 7 minus 5?
Solution: The first step is calculating 18 times 7 minus 5 numerically.
Utilizing the 18 times table, we have
18 times 7 minus 5
\begin{aligned}
& =18 \times 7-5 \\
& =126-5 \\
& =121
\end{aligned}
Therefore, 18 times 7 minus 5 equals 121.
Example 2: If a dog consumes three bones in one day. Determine the number of bones the dog will eat in 18 days, according to the table of 18.
Solution: The number of bones eaten by the dog in one day = 3, hence the number of bones eaten in 18 days \begin{equation} =18 \times 3=54 \end{equation}
The dog will therefore consume 54 bones in 18 days.
Example 3: What is the value of 18 times 21 minus 10?
Solution: The first step is calculating 18 times 21 minus 10 numerically.
Utilizing the 18 times table, we have:
18 times 21 minus 10
\begin{aligned}
& =18 \times 21-10 \\
& =378-10 \\
& =368
\end{aligned}
Therefore, 18 times 21 minus 10 equals 368.
Example 4: What are eighteen times 10?
Solution: Eighteen times 10 equals \begin{equation}18 \times 10=180\end{equation} .
Example 5: Shawn consumed 18 cupcakes with his friends. Each cupcake costs two rupees. What will be the charge for 18 cupcakes?
Solution: To determine the total amount Shawn paid for the cupcakes, multiply 18 by 2 18\times 2 = 36
Hence he paid Rs. 36 for the cupcakes.
\begin{array}{|l|l|}
\hline 18 \times 1= & 18 \\
\hline 18 \times 2= & 36 \\
\hline 18 \times 3= & 54 \\
\hline 18 \times 4= & 72 \\
\hline 18 \times 5= & 90 \\
\hline 18 \times 6= & 108 \\
\hline 18 \times 7= & 126 \\
\hline 18 \times 8= & 144 \\
\hline 18 \times 9= & 162 \\
\hline 18 \times 10= & 180 \\
\hline
\end{array}
Students can employ the 19 times table to memorize the 18 times table. The 18 times table is the result of subtracting the multiples of 19 from the natural numbers 1 to 10. For instance –, \begin{equation} 19 \times 11 \text { equals } 209-11=198 \end{equation} . Similarly, \begin{equation}19 \times 12 \text { equals } 228-12=216 \end{equation}
, and so on.
You can read the 18 times table as
Eighteen-ones are 18
Eighteen-twos are 36
Eighteen-threes are 54
Eighteen-fours are 72
Eighteen-fives are 90
and so on.
The number 18 is not a prime. Eighteen can be divided by 1, 2, 3, 6, and 9. A number must have exactly two elements to be deemed a prime number. 18 is not a prime number since it has more than two factors, including 1, 2, 3, 6, and 9.
There are six factors of 18, which are 1, 2, 3, 6, 9, and 18.
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