Maths Shortcuts and Tricks for Competitive Exams

How to find Square for Two Digit Numbers

This page will help you to find Maths Shortcuts and Tricks for Competitive Exams. For 2 Digit Square and 2 Cross 2 Multiply. Also you can find how to Square Numbers ending with ” 5 ”  and Multiply Two Digit Numbers Starting with ‘1’ .

Find Squares for Two Digit Numbers

Square of 48

Square of 48

Square of 48 – Maths Shortcuts and Tricks for Competitive Exams

 

 

 

 

 

 

43 Square

  1. First Square the unit digit of 43. (ie. 3*3 = 9).
  1. Multiply 4*3=12 and the value again (ie 12+12=24).
  1. Next Square 4 (ie 4*4=16) (Take 9 in the first step, 4 in the second step and the 2 is added to 16 (ie 16+2=18) Now the value is 1849.

How to Multiple Two digit Numbers – Maths Shortcuts and Tricks for Competitive Exams

2 Cross 2 Multiply

Step 1:

 2 Cross 2 Multiply step 1

Step 2:

2 Cross 2 Multiply step 2

2 Cross 2 Multiply step 2

 

 

 

 

 

 

Step 3:

2 Cross 2 Multiply step 3

2 Cross 2 Multiply step 3

 

 

 

 

 

 

How to Square Numbers Ending with ‘5’ – Maths Shortcuts and Tricks for Competitive Exams

Example 85*85

Step 1: 5*5=250

Step 2: 8*9(8 and next number of 8 ie 9) =72

Answer – 7225

Multiply Two Digit Numbers Starting with ‘1’ – Maths Shortcuts and Tricks for Competitive Exams

17*19

17+9=26 (Adding 0 at the end of 26) = 260

7*9=63 Add 260+63=323

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