One More and One Less

One less than 1

• 2
• 0
• 10

One less than 8

• 7
• 10
• 3

One more than 6

• 8
• 7
• 5

One more than 3

• 4
• 8
• 2

One less Than 9

• ₁₀
• 8
• 5

One more than 19

• 20
• 18
• 16

One less than 13

• 21
• 12
• 10

One more than 10

• 20
• 9
• 11

One less than 11

• 11
• 10
• 12

One more than 15

• 18
• 14
• 16