hard 4×4 Set 40 Form Exercise

Speed Grid (+): Fill in each cell by applying the operation to the row and column headers. Row headers: [7, 6, 4, 8], Column headers: [9, 8, 6, 2]

Show answer

Answer: Row 7: [16, 15, 13, 9]; Row 6: [15, 14, 12, 8]; Row 4: [13, 12, 10, 6]; Row 8: [17, 16, 14, 10]

SubType
speed-grid
Difficulty
hard
Operation
+
RowHeaders
  • 7
  • 6
  • 4
  • 8
ColHeaders
  • 9
  • 8
  • 6
  • 2
Cells
  • [16,15,13,9]
  • [15,14,12,8]
  • [13,12,10,6]
  • [17,16,14,10]

Speed Grid (×): Fill in each cell by applying the operation to the row and column headers. Row headers: [5, 2, 8, 8], Column headers: [7, 9, 4, 5]

Show answer

Answer: Row 5: [35, 45, 20, 25]; Row 2: [14, 18, 8, 10]; Row 8: [56, 72, 32, 40]; Row 8: [56, 72, 32, 40]

SubType
speed-grid
Difficulty
hard
Operation
×
RowHeaders
  • 5
  • 2
  • 8
  • 8
ColHeaders
  • 7
  • 9
  • 4
  • 5
Cells
  • [35,45,20,25]
  • [14,18,8,10]
  • [56,72,32,40]
  • [56,72,32,40]