hard 4×4 Set 32 Form Exercise

Speed Grid (×): Fill in each cell by applying the operation to the row and column headers. Row headers: [4, 7, 7, 9], Column headers: [2, 8, 7, 2]

Show answer

Answer: Row 4: [8, 32, 28, 8]; Row 7: [14, 56, 49, 14]; Row 7: [14, 56, 49, 14]; Row 9: [18, 72, 63, 18]

SubType
speed-grid
Difficulty
hard
Operation
×
RowHeaders
  • 4
  • 7
  • 7
  • 9
ColHeaders
  • 2
  • 8
  • 7
  • 2
Cells
  • [8,32,28,8]
  • [14,56,49,14]
  • [14,56,49,14]
  • [18,72,63,18]

Speed Grid (-): Fill in each cell by applying the operation to the row and column headers. Row headers: [7, 10, 7, 6], Column headers: [1, 10, 6, 4]

Show answer

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

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