Math Trick For Multiplying 2-Digit & 3-Digit Numbers

Printable Worksheets
Multiply 2-digit by 2-digit (eg. 35 × 24)
Multiply 3-digit by 2-digit (eg. 215 × 32)

Generated Online Worksheets
2 digits × 2 digits
3 digits × 2 digits

The following diagram shows a multiplication trick for 2-digit numbers. It is sometimes called the “Cross-Multiplication” or “Vertical Crosswise Method”. Scroll down the page for more examples and solutions on how to use this multiplication short cut.

Let’s say you want to multiply (AB × CD), where A, B, C, and D are the digits.

1. (Units digit): Multiply the units digits: (B × D). Write down the units digit of the result and carry over the tens digit (if any).
2. (Tens digit): Cross-multiply and add: (A × D) + (B × C) + (carry-over). Write down the units digit of this result and carry over the tens digit (if any).
3. (Hundreds digit): Multiply the tens digits and add the final carry-over: (A × C) + (carry-over}. Write down this result.

Multiplication Worksheets
Practice your skills with the following multiplication worksheets:
Online & Printable Multiplication Worksheets

Fun Fast Multiplication Trick!
A neat trick to quickly multiply two 2-digit numbers together!
Examples:
23 × 46 =
55 × 81 =

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Fast Math Tricks - How to multiply 2 digit numbers up to 100 - the fast way!
Using this method you will be able to multiply any pair of two digit numbers with each other - faster than a calculator! Become a math genius in no time at all using vedic math!
Examples:
21 × 31 =
43 × 21 =
42 × 63 =
22 × 32 =
51 × 63 =
82 × 51 =

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Fast Math Tricks - multiplication of two and three digit numbers
How to multiply numbers numbers calculating the fast way! Using this method you will be able to multiply any pair of two and three digit numbers with each other quickly and accurately!
Examples:
121 × 23 =
242 × 32 =
122 × 32 =
153 × 61 =

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Math Trick: Multiplying Trick
In this math trick video we look at an easy way to multiply numbers where the ten’s digit is the same and the one’s digit adds up to 10.
Example:
To find 52 × 58
Take the ten’s digit and multiply it by the next highest number. 5 × 6 = 30.
Next, multiply the one’s digit. 2 × 8 = 16. The answer is 3016

Examples:
23 × 27 =
82 × 88 =
112 × 118 =
45 × 45 =
13 × 17 =

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Fast Mental Multiplication Trick - multiply in your head using base 10
This mental multiplication trick uses the idea of a third number - a base number - to help us multiply two numbers in your head. This lesson looks at multiplying numbers near 10 using base 10.
Examples:
14 × 12 =
15 × 13 =
17 × 12 =
8 × 17 =
9 × 9 =
19 × 21 =
14 × 13 =
9 × 18 =
15 × 15 =

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Fast Mental Multiplication Trick - Multiply in your head using base 20 and 30
How to multiply numbers near 20 and 30?
Examples:
25 × 23 =
27 × 22 =
28 × 19 =
32 × 18 =
26 × 35 =
31 × 39 =
23 × 22 =
29 × 19 =
36 × 29 =
25 × 22 =
18 × 19 =
33 × 27 =

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Fast Mental Multiplication Trick - Multiply in your head using base 50
How to multiply numbers near 50?
Examples:
51 × 53 =
52 × 54 =
52 × 57 =
52 × 48 =
41 × 56 =
53 × 54 =
53 × 48 =
42 × 49 =
21 × 17 =
32 × 22 =
53 × 48 =

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Fast Mental Multiplication Trick - Multiply in your head using base 100
How to multiply numbers near 100?
Examples:
105 × 107 =
109 × 102 =
106 × 97 =
112 × 109 =
105 × 101 =
97 × 93 =
92 × 112 =
21 × 14 =
36 × 29 =
55 × 56 =
104 × 97 =

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