hard 5×5 Set 64 Form Exercise

Speed Grid (×): Fill in each cell by applying the operation to the row and column headers. Row headers: [4, 3, 8, 10], Column headers: [1, 1, 7, 3]

Show answer

Answer: Row 4: [4, 4, 28, 12]; Row 3: [3, 3, 21, 9]; Row 8: [8, 8, 56, 24]; Row 10: [10, 10, 70, 30]

SubType
speed-grid
Difficulty
hard
Operation
×
RowHeaders
  • 4
  • 3
  • 8
  • 10
ColHeaders
  • 1
  • 1
  • 7
  • 3
Cells
  • [4,4,28,12]
  • [3,3,21,9]
  • [8,8,56,24]
  • [10,10,70,30]

Speed Grid (+): Fill in each cell by applying the operation to the row and column headers. Row headers: [1, 1, 3, 1], Column headers: [3, 5, 7, 8]

Show answer

Answer: Row 1: [4, 6, 8, 9]; Row 1: [4, 6, 8, 9]; Row 3: [6, 8, 10, 11]; Row 1: [4, 6, 8, 9]

SubType
speed-grid
Difficulty
hard
Operation
+
RowHeaders
  • 1
  • 1
  • 3
  • 1
ColHeaders
  • 3
  • 5
  • 7
  • 8
Cells
  • [4,6,8,9]
  • [4,6,8,9]
  • [6,8,10,11]
  • [4,6,8,9]