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