hard 6×6 Set 68 Form Exercise

Speed Grid (×): Fill in each cell by applying the operation to the row and column headers. Row headers: [7, 5, 3, 9], Column headers: [2, 10, 9, 4]

Show answer

Answer: Row 7: [14, 70, 63, 28]; Row 5: [10, 50, 45, 20]; Row 3: [6, 30, 27, 12]; Row 9: [18, 90, 81, 36]

SubType
speed-grid
Difficulty
hard
Operation
×
RowHeaders
  • 7
  • 5
  • 3
  • 9
ColHeaders
  • 2
  • 10
  • 9
  • 4
Cells
  • [14,70,63,28]
  • [10,50,45,20]
  • [6,30,27,12]
  • [18,90,81,36]

Speed Grid (+): Fill in each cell by applying the operation to the row and column headers. Row headers: [9, 1, 9, 8], Column headers: [7, 9, 8, 6]

Show answer

Answer: Row 9: [16, 18, 17, 15]; Row 1: [8, 10, 9, 7]; Row 9: [16, 18, 17, 15]; Row 8: [15, 17, 16, 14]

SubType
speed-grid
Difficulty
hard
Operation
+
RowHeaders
  • 9
  • 1
  • 9
  • 8
ColHeaders
  • 7
  • 9
  • 8
  • 6
Cells
  • [16,18,17,15]
  • [8,10,9,7]
  • [16,18,17,15]
  • [15,17,16,14]