hard 4×4 Set 88 Form Exercise

Speed Grid (×): Fill in each cell by applying the operation to the row and column headers. Row headers: [2, 8, 8, 9], Column headers: [7, 7, 3, 10]

Show answer

Answer: Row 2: [14, 14, 6, 20]; Row 8: [56, 56, 24, 80]; Row 8: [56, 56, 24, 80]; Row 9: [63, 63, 27, 90]

SubType
speed-grid
Difficulty
hard
Operation
×
RowHeaders
  • 2
  • 8
  • 8
  • 9
ColHeaders
  • 7
  • 7
  • 3
  • 10
Cells
  • [14,14,6,20]
  • [56,56,24,80]
  • [56,56,24,80]
  • [63,63,27,90]

Speed Grid (-): Fill in each cell by applying the operation to the row and column headers. Row headers: [9, 7, 3, 10], Column headers: [7, 3, 5, 4]

Show answer

Answer: Row 9: [2, 6, 4, 5]; Row 7: [0, 4, 2, 3]; Row 3: [4, 0, 2, 1]; Row 10: [3, 7, 5, 6]

SubType
speed-grid
Difficulty
hard
Operation
-
RowHeaders
  • 9
  • 7
  • 3
  • 10
ColHeaders
  • 7
  • 3
  • 5
  • 4
Cells
  • [2,6,4,5]
  • [0,4,2,3]
  • [4,0,2,1]
  • [3,7,5,6]