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