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
25% of 10
25% of 20
25% of 30
25% of 40
25% of 50
25% of 60
25% of 70
25% of 80
25% of 90
25% of 100
25% of 110
25% of 120