1- Click a percentage on the Choose Percentage menu at the left to select the drill you wish to practice 2- Mentally choose one of the flash cards below and calculate the answer 3- Click the numbers on the card to view the correct answer
Choose Percentage
50% of 10
50% of 20
50% of 30
50% of 40
50% of 50
50% of 60
50% of 70
50% of 80
50% of 90
50% of 100
50% of 110
50% of 120