What are the first 10 multiples of 12? The first 10 multiples of 12 are 12, 24, 36, 48, 60, 72, 84, 96, 108, and 120.
1 x 27 = 27. 3 x 9 = 27. 9 x 3 = 27.
1 x 13 = 13. 13 x 1 = 13.
1 x 64 = 64. 2 x 32 = 64. 4 x 16 = 64. 8 x 8 = 64.
Factor Pairs of 63
1 x 63 = 63. 3 x 21 = 63. 7 x 9 = 63.
The numbers which we multiply to get 81 are the factors of 81. Factors of 81 are 1, 3, 9, 27, and 81.
Multiples of 1 | 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, … |
---|---|
Multiples of 11 | 11, 22, 33, 44, 55, 66, 77, 88, 99, 110, … |
Multiples of 12 | 12, 24, 36, 48, 60, 72, 84, 96, 108, 120, … |
Multiples of 13 | 13, 26, 39, 52, 65, 78, 91, 104, 117, 130, … |
Multiples of 14 | 14, 28, 42, 56, 70, 84, 98, 112, 126, 140, … |
Multiplication of 14 with numbers | Multiples of 14 |
---|---|
14 × 3 | 42 |
14 × 4 | 56 |
14 × 5 | 70 |
14 × 6 | 84 |
Number | Repeating Cycle of Sum of Digits of Multiples |
---|---|
10 | {1,2,3,4,5,6,7,8,9} |
11 | {2,4,6,8,1,3,5,7,9} |
12 | {3,6,9,3,6,9,3,6,9} |
13 | {4,8,3,7,2,6,1,5,9} |
There are 3 ways to make the number 12 using products of two positive integers. These are 1*12, 2*6, and 3*4.
We see that 12 can be written as the sum of seven different groups of three distinct positive integers. Each of these seven groups can be written in 3! = 6 different ways. Therefore, the total number of ways 12 can be written as a sum of three distinct positive integers is 6 × 7 = 42 ways.
Multiplication of 12 with numbers | Multiples of 12 |
---|---|
12 × 3 | 36 |
12 × 4 | 48 |
12 × 5 | 60 |
12 × 6 | 72 |
12 Times Table up to 10 | |
---|---|
12 × 1 = 12 | 12 × 6 = 72 |
12 × 4 = 48 | 12 × 9 = 108 |
12 × 5 = 60 | 12 × 10 = 120 |
The above chart will help us to read and write the 12 times table. Now we will learn how to do forward counting and backward counting by 12’s. Forward counting by 12’s: 0, 12, 24, 36, 48, 60, 72, 84, 96, 108, 120, 132, 144, 156, 168, 180, 192, 204, 216, 228, 240, 252, 264, 276, 288, 300, ……
Number | Squares | Square Root (Upto 3 places of decimal) |
---|---|---|
11 | 112 = 121 | √11 = 3.317 |
12 | 122 = 144 | √12 = 3.464 |
MULTIPLICATION tables do not end at 12, they are infinite, but we only learn them up to 12 because they are difficult, we have calculators and as there used to be 12 pence in a shilling this was the most useful number for everyday ready reckoning at the grocer’s shop.
We will use the tables of 5 and 7 for writing the table of 12.
In order to multiply any no. by 12 we need to just double the last digit of the number and then, double each digit and add it to its neighboring number. For example: 3243 * 12 =?
The factor pairs of 24 are: 1 x 24, 2 x 12, 3 x 8, and 4 x 6.
We know that 1 multiplies with 21 to make 21, so they are both factors. 2 is not a factor of 21, because we cannot multiply it with another whole number to make 21.3 is a factor of 21, because it multiplies with 7 to make 21. Therefore the factors of 21 are 1, 3, 7 and 21.
1, 2, 3, 6, 9, 18, 27, 54. When you make different pair combinations of these factors, it would give you the factor pairs of 54. Take a look below at all the factor pairs of the number 54. As you notice, all these factor pairs would result in the number 54 when multiplied together.
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