Maths Shortcuts and Tricks for Competitive Exams

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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