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
15% of 10
15% of 20
15% of 30
15% of 40
15% of 50
15% of 60
15% of 70
15% of 80
15% of 90
15% of 100
15% of 110
15% of 120