hard 4×4 Set 51 Form Exercise

Speed Grid (×): Fill in each cell by applying the operation to the row and column headers. Row headers: [8, 2, 5, 9], Column headers: [5, 1, 7, 6]

Show answer

Answer: Row 8: [40, 8, 56, 48]; Row 2: [10, 2, 14, 12]; Row 5: [25, 5, 35, 30]; Row 9: [45, 9, 63, 54]

SubType
speed-grid
Difficulty
hard
Operation
×
RowHeaders
  • 8
  • 2
  • 5
  • 9
ColHeaders
  • 5
  • 1
  • 7
  • 6
Cells
  • [40,8,56,48]
  • [10,2,14,12]
  • [25,5,35,30]
  • [45,9,63,54]

Speed Grid (+): Fill in each cell by applying the operation to the row and column headers. Row headers: [1, 8, 2, 1], Column headers: [1, 1, 9, 6]

Show answer

Answer: Row 1: [2, 2, 10, 7]; Row 8: [9, 9, 17, 14]; Row 2: [3, 3, 11, 8]; Row 1: [2, 2, 10, 7]

SubType
speed-grid
Difficulty
hard
Operation
+
RowHeaders
  • 1
  • 8
  • 2
  • 1
ColHeaders
  • 1
  • 1
  • 9
  • 6
Cells
  • [2,2,10,7]
  • [9,9,17,14]
  • [3,3,11,8]
  • [2,2,10,7]