hard 4×4 Set 19 Form Exercise

Speed Grid (×): Fill in each cell by applying the operation to the row and column headers. Row headers: [9, 1, 9, 3], Column headers: [3, 5, 7, 2]

Show answer

Answer: Row 9: [27, 45, 63, 18]; Row 1: [3, 5, 7, 2]; Row 9: [27, 45, 63, 18]; Row 3: [9, 15, 21, 6]

SubType
speed-grid
Difficulty
hard
Operation
×
RowHeaders
  • 9
  • 1
  • 9
  • 3
ColHeaders
  • 3
  • 5
  • 7
  • 2
Cells
  • [27,45,63,18]
  • [3,5,7,2]
  • [27,45,63,18]
  • [9,15,21,6]

Speed Grid (-): Fill in each cell by applying the operation to the row and column headers. Row headers: [10, 6, 4, 8], Column headers: [1, 5, 3, 7]

Show answer

Answer: Row 10: [9, 5, 7, 3]; Row 6: [5, 1, 3, 1]; Row 4: [3, 1, 1, 3]; Row 8: [7, 3, 5, 1]

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