• (10 to 20) + (10 to 20)
  • (10 to 30) + (10 to 20)
  • (10 to 40) + (10 to 20)
  • (10 to 50) + (10 to 20)
  • (10 to 60) + (10 to 20)
  • (10 to 70) + (10 to 20)
  • (10 to 80) + (10 to 20)
  • (10 to 90) + (10 to 20)
  • (10 to 100) + (10 to 20)
  • Number -(10 to 99) = (10 to 20)
  • Number -(10 to 99) = (10 to 30)
  • Number -(10 to 99) = (10 to 40)
  • Number -(10 to 99) = (10 to 50)
  • Number -(10 to 99) = (10 to 60)
  • Number -(10 to 99) = (10 to 70)
  • Number -(10 to 99) = (10 to 80)
  • Number -(10 to 99) = (10 to 90)
  • Number mber -(10 to 99) = (10 to 100)
  • Number -(100 to 999) = (10 to 100)
  • (1 to 9) x 1
  • (1 to 9) x 2
  • (1 to 9) x (1 to 2)
  • (1 to 9) x 3
  • (1 to 9) x (1 to 3)
  • (1 to 9) x 4
  • (1 to 9) x (1 to 4)
  • (1 to 9) x 5
  • (1 to 9) x (1 to 5)
  • (1 to 9) x 6
  • (1 to 9) x (1 to 6)
  • (1 to 9) x 7
  • (1 to 9) x (1 to 7)
  • (1 to 9) x 8
  • (1 to 9) x (1 to 8)
  • (1 to 9) x 9
  • (2 to 9) x (2 to 9)
  • 2 digits divided by 2
  • 2 digits divided by (2 or 3)
  • 2 digits divided by 4
  • 2 digits divided by (2, 3,4)
  • 2 digits divided by 5
  • 2 digits divided by (2,3,4,5)
  • 2 digits divided by 6
  • 2 digits divided by (2,3,4,5,6)
  • 2 digits divided by 7
  • 2 digits divided by (2,3,4,5,6,7)
  • 2 digits divided by 8
  • 2 digits divided by (2,3,4,5,6,7,8)
  • 2 digits divided by 9
  • 2 digits divided by (2,3,4,5,6,7,8,9)
  • Read hours from a clock
  • Read minutes from a clock
  • Read clock
  • ;