Sale Price Drills With Flash Cards
Current Drill Is 90 %

1- Click a % off on the Choose % Off menu at the left to select the drill you wish to practice
2- Mentally choose one of the flash cards below and calculate the price after the discount
3- Click the numbers on the card to view the correct answer

90% off
$10

90% off
$20

90% off
$30

90% off
$40

90% off
$50

90% off
$60

90% off
$70

90% off
$80

90% off
$90

90% off
$100

90% off
$110

90% off
$120