Now multiply 66 with 6666 66 4356 Step 4. It might sound hard impossible to some but it willdefinitely increase. Your practice involves basic Additions Subtractions Multiplications Percentage Calculations Comparing Fractions and Calculating Squares.
Now add values from the step 2 and 3.
If the invigilators are chatting unnecessarily ask them to stop talking. Just spend 30 minutes a day for 30 days. 7 Basic Ways to Improve Calculation Speed in Maths 1. A Practice of Twice ThriceFour times.