hard 4×4 Set 50 Form Exercise

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

Show answer

Answer: Row 2: [3, 9, 7, 4]; Row 8: [9, 15, 13, 10]; Row 8: [9, 15, 13, 10]; Row 4: [5, 11, 9, 6]

SubType
speed-grid
Difficulty
hard
Operation
+
RowHeaders
  • 2
  • 8
  • 8
  • 4
ColHeaders
  • 1
  • 7
  • 5
  • 2
Cells
  • [3,9,7,4]
  • [9,15,13,10]
  • [9,15,13,10]
  • [5,11,9,6]

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

Show answer

Answer: Row 8: [40, 64, 32, 72]; Row 9: [45, 72, 36, 81]; Row 8: [40, 64, 32, 72]; Row 1: [5, 8, 4, 9]

SubType
speed-grid
Difficulty
hard
Operation
×
RowHeaders
  • 8
  • 9
  • 8
  • 1
ColHeaders
  • 5
  • 8
  • 4
  • 9
Cells
  • [40,64,32,72]
  • [45,72,36,81]
  • [40,64,32,72]
  • [5,8,4,9]