easy 3×3 Set 13 Form Exercise

Math Bingo! Solve: 20 - 1 = ? Mark the answer on the bingo card. Card rows: RED: [1, 5, 13, 4]; BLUE: [10, 6, 20, 21]; GREEN: [7, 19, 24, 23]; YELLOW: [8, 16, 15, 11]

Show answer

Answer: 19

SubType
math-bingo
Difficulty
normal
Expression
20 - 1
Target
19
Card
  • [1,5,13,4]
  • [10,6,20,21]
  • [7,19,24,23]
  • [8,16,15,11]