easy 3×3 Set 56 Form Exercise

Math Bingo! Solve: 21 - 9 = ? Mark the answer on the bingo card. Card rows: RED: [8, 18, 20, 1]; BLUE: [16, 12, 11, 13]; GREEN: [2, 21, 9, 14]; YELLOW: [4, 6, 25, 17]

Show answer

Answer: 12

SubType
math-bingo
Difficulty
normal
Expression
21 - 9
Target
12
Card
  • [8,18,20,1]
  • [16,12,11,13]
  • [2,21,9,14]
  • [4,6,25,17]