easy 3×3 Set 23 Form Exercise

Math Bingo! Solve: 20 - 1 = ? Mark the answer on the bingo card. Card rows: RED: [4, 12, 22, 17]; BLUE: [19, 10, 1, 20]; GREEN: [2, 6, 25, 21]; YELLOW: [7, 11, 15, 9]

Show answer

Answer: 19

SubType
math-bingo
Difficulty
easy
Expression
20 - 1
Target
19
Card
  • [4,12,22,17]
  • [19,10,1,20]
  • [2,6,25,21]
  • [7,11,15,9]