Table of 21

The Multiplication table of 21 means the result we get by multiplying a whole number with 21. A multiplication table plays a vital role in mathematics. Important operations like Multiplication and Division. Therefore, it is very important for students to learn the table of 21 thoroughly line by line for instant problem-solving. Mathematics is a subject and tables are lessons that not only is advantageous for a student in his/her exam paper but it is also beneficial for an individual in his/her life. The table of 21 in the tabular form is shown in the following:-

Multiplication Table of 21

• An individual can write the following table of 21 in the tabular form as shown on a big chart paper and stick it on the wall of their room for instant reference. This helps in memorizing the table in a small period effectively and this process also increases the confidence of an individual, as a result, a student can easily solve difficult multiplication problems and division problems.

• Understanding the multiplication table of 21 as equivalent groups of 21 and the recurring addition of 21 helps in identifying the multiplication pattern in a better manner.

Tips for Table 21

• Remember that 21×2 can also be expressed as 2×21

• Table of 21 can be easily learned by an individual if he/she tries to memorize it in the following way and always keep in mind that a last digit is always a whole number that we multiply with.

• Another way to find out the multiples of 21 is by multiplication of the whole number by 20 and then again multiplying it by 1 and then adding both the sums you will get the answer.

Table of 21 Solved Examples

Solved Example 1

By utilizing the table of 21 find out 21 multiplied by 7 subtracted with 2.

Let’s do it mathematically,

According to table 21,

21 multiplied by 7 subtracted with 2

21×7 – 2 = 147 – 2 = 145

Therefore, 21 multiplied by 7 subtracted with 2 is 145.

Solved Example 2

Find out 10 times 21 subtracted by 5 and then add 4 into that with help of a table of 21.

Let’s do it mathematically,

According to table 21,

10×21-5+4 = 210-5+4 = 210 -1 = 209

Therefore, 10 times 21 subtracted by 5 and then add 4 is 209.

Solved Example 3

Find the value of 21 times 12 divided by 10 with help of a table of 21

Let’s do it mathematically,

According to table 21,

21×12 ÷10

= 252×10 = 25.2

Therefore, the value of 21 times 12 divided by 10 is 25.2.