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### Addition of numbers close to multiple of tens i.e. 19,29,39,49,... (Addition tricks)

This is also a very good idea of addition. The following examples of addition will a good effort to make a sharp mind of your kids. At least this is a new idea of addition and helpful to solve questions more fastly. Let us see the following examples.

• 117 + 29
• = 117 + 30 – 1

= 147 – 1

= 146

• 316 + 97
• = 316 + 100 – 3

= 416 – 3

= 413

• 256 + 96
• = 256 + 100 – 4

= 356 – 4

= 352

• 99 + 98
• = 100 – 1 + 100 – 2

= 200 – 3

= 197

• 889 + 999
• = 889 + 1000 – 1

= 1889 – 1

= 1888

##### SHORTCUT TRICKS (Division)
• Divisible by 2 Shortcut trick
• Divisible by 3 Shortcut trick
• Divisible by 4 Shortcut trick
• Divisible by 5 Shortcut trick
• Divisible by 6 Shortcut trick • Divisible by 7 Shortcut trick • Divisible by 8 Shortcut trick • Divisible by 9 Shortcut trick
• Divisible by 10 Shortcut trick

##### Worksheets (Solved)

###### Integration     