Maths Multiplication Shortcut: Multiply 2- Digit Number by a 2- Digit Number

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Maths Multiplication Shortcut: Multiply 2- Digit Number by a 2- Digit Number
Tips and Tricks to multiply two 2-digit numbers ab and ac when the left-hand digits of the numbers are same(a) and total of right-hand digits (b + c) is equal to 10.

 Step 1: Multiply the rightmost digits(bc)of the two given numbers and put the product as the right-hand of the answer.

Step 2:  Now, multiply a and (a + 1)  and write the product to the left of the previous result. This gives the final answer.

Here is the quick formula:

Multiplication of 2-digit number by a 2-digit number

Example 1:  Find 25 × 25

Multiplication of 2-digit number by a 2-digit number 1

 

Example 2:  Find 43 × 47

Multiplication of 2-digit number by a 2-digit number

Now, try the following questions:

  • 56 × 54
  • 32 × 38
  • 85 × 85

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