ARITHMETIC H1

 Evaluate 22 x 237 + 463 x 16.

 

Solution

 

= 222 x 237 + 463 x 222

 

= 222 x (237 + 463)     factoring out the common number

 

= 222 x 700   

 

= 155400      [after multiplying 222 and 7 and adding two zeros on the answer]

 

Hence 222 x 237 + 463 x 222 = 155400

 

 

TRY THIS………….

 

 

Evaluate 124 x 516 + 484 x 124.