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: [8, 7, 2, 5], Column headers: [4, 2, 3, 1]

Show answer

Answer: Row 8: [12, 10, 11, 9]; Row 7: [11, 9, 10, 8]; Row 2: [6, 4, 5, 3]; Row 5: [9, 7, 8, 6]

SubType
speed-grid
Difficulty
hard
Operation
+
RowHeaders
  • 8
  • 7
  • 2
  • 5
ColHeaders
  • 4
  • 2
  • 3
  • 1
Cells
  • [12,10,11,9]
  • [11,9,10,8]
  • [6,4,5,3]
  • [9,7,8,6]

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

Show answer

Answer: Row 3: [9, 15, 15, 9]; Row 4: [12, 20, 20, 12]; Row 8: [24, 40, 40, 24]; Row 8: [24, 40, 40, 24]

SubType
speed-grid
Difficulty
hard
Operation
×
RowHeaders
  • 3
  • 4
  • 8
  • 8
ColHeaders
  • 3
  • 5
  • 5
  • 3
Cells
  • [9,15,15,9]
  • [12,20,20,12]
  • [24,40,40,24]
  • [24,40,40,24]