Tricks to Learn Table of 9
Mastering multiplication tables is a fundamental skill that lays the foundation for more complex mathematical concepts. Among these tables, the table of 9 can sometimes become a challenge for learners. However, with a few clever tricks and strategies, mastering the table of 9 can become manageable as well as enjoyable.
In this article, we will explore some techniques to simplify the process of learning and memorizing the multiplication table of 9.
Tricks to Memorise Table of 9
Memorizing the multiplication table for 9 can be made easier with a few tricks. Here are some techniques to help you remember the table of 9:
Finger Trick
Hold both hands in front of you with your fingers spread out. To find the product of 9 and a number, let’s say 2, fold down the 2nd finger. The number of fingers to the left represents the tens digit, and the number of fingers to the right represents the ones digit.
In this case, you have 1 finger to the left and 8 fingers to the right, so the product is 18.
Pattern Recognition
Observe the pattern in the multiples of 9. Notice that the tens digit increases by 1 from right to left, and the ones digit decreases by 1 from left to right. For example:
|
9 × 1 |
= |
09 |
|
9 × 2 |
= |
18 |
|
9 × 3 |
= |
27 |
|
9 × 4 |
= |
36 |
|
9 × 5 |
= |
45 |
|
9 × 6 |
= |
54 |
|
9 × 7 |
= |
63 |
|
9 × 8 |
= |
72 |
|
9 × 9 |
= |
81 |
|
9 × 10 |
= |
90 |
In the above table, we can observe the pattern of the tens place increases by 1 each time (0, 1, 2, 3, …), and the ones place decreases by 1 each time (9, 8, 7, 6, …)
Replacing 9 with 10 and then Subtract the Multiplier
If you want to learn the table of 9 by replacing 9 with 10 and then subtracting the multiplier, here’s how you can do it:
Start with the Table of 10: Begin by writing down the table of 10.
|
Number |
Product (10 times Number) |
|---|---|
|
1 |
10 × 1 = 10 |
|
2 |
10 × 2 = 20 |
|
3 |
10 × 3 = 30 |
|
4 |
10 × 4 = 40 |
|
5 |
10 × 5 = 50 |
|
6 |
10 × 6 = 60 |
|
7 |
10 × 7 = 70 |
|
8 |
10 × 8 = 80 |
|
9 |
10 × 9 = 90 |
|
10 |
10 × 10 = 100 |
Subtract the Multiplier: For each product in the table of 10, subtract the multiplier to get the corresponding product in the table of 9.
|
Number |
Product (10 times Number) – multiplier |
9 times Number |
|---|---|---|
|
1 |
10 – 1 |
9 |
|
2 |
20 – 2 |
18 |
|
3 |
30 – 3 |
27 |
|
4 |
40 – 4 |
36 |
|
5 |
50 – 5 |
45 |
|
6 |
60 – 6 |
54 |
|
7 |
70 – 7 |
63 |
|
8 |
80 – 8 |
72 |
|
9 |
90 – 9 |
81 |
|
10 |
100 – 10 |
90 |
From the above tricks you can easily master the table of 9.
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FAQs on Table of 9
Why is the multiplication table of 9 considered challenging to memorize?
The multiplication table of 9 may be challenging for some because it involves multiplying numbers by 9, which can seem less intuitive compared to other tables. However, with practice and some tricks, it can become easier to memorize.
What are some tips for memorizing the multiplication table of 9?
One popular trick is to use your fingers. Hold out both hands with fingers extended. To multiply a number by 9, count from the left and fold down the corresponding finger. The number of fingers to the left of the folded finger represents the tens place, and the number of fingers to the right represents the ones place.
Are there any other tricks for memorizing the 9 times table?
Yes, another trick involves noticing a pattern in the digits of the products. The tens place of the product always decreases by 1, starting from 9 for 9 × 1, and the ones place always increases by 1, starting from 0 for 9 × 1.
Why is it important to memorize multiplication tables?
Memorizing multiplication tables is important because it provides a foundation for understanding mathematical concepts, problem-solving skills, and more advanced mathematical operations. It helps improve mental math skills and facilitates quicker calculations in everyday life and academic settings.
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