hard 4×4 Set 25 Form Exercise

Speed Grid (×): Fill in each cell by applying the operation to the row and column headers. Row headers: [1, 8, 5, 1], Column headers: [9, 10, 4, 9]

Show answer

Answer: Row 1: [9, 10, 4, 9]; Row 8: [72, 80, 32, 72]; Row 5: [45, 50, 20, 45]; Row 1: [9, 10, 4, 9]

SubType
speed-grid
Difficulty
hard
Operation
×
RowHeaders
  • 1
  • 8
  • 5
  • 1
ColHeaders
  • 9
  • 10
  • 4
  • 9
Cells
  • [9,10,4,9]
  • [72,80,32,72]
  • [45,50,20,45]
  • [9,10,4,9]

Speed Grid (+): Fill in each cell by applying the operation to the row and column headers. Row headers: [1, 8, 7, 5], Column headers: [1, 4, 1, 2]

Show answer

Answer: Row 1: [2, 5, 2, 3]; Row 8: [9, 12, 9, 10]; Row 7: [8, 11, 8, 9]; Row 5: [6, 9, 6, 7]

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