hard 4×4 Set 78 Form Exercise

Speed Grid (-): Fill in each cell by applying the operation to the row and column headers. Row headers: [9, 10, 10, 5], Column headers: [9, 7, 6, 7]

Show answer

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

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

Speed Grid (×): Fill in each cell by applying the operation to the row and column headers. Row headers: [6, 9, 4, 3], Column headers: [3, 7, 7, 1]

Show answer

Answer: Row 6: [18, 42, 42, 6]; Row 9: [27, 63, 63, 9]; Row 4: [12, 28, 28, 4]; Row 3: [9, 21, 21, 3]

SubType
speed-grid
Difficulty
hard
Operation
×
RowHeaders
  • 6
  • 9
  • 4
  • 3
ColHeaders
  • 3
  • 7
  • 7
  • 1
Cells
  • [18,42,42,6]
  • [27,63,63,9]
  • [12,28,28,4]
  • [9,21,21,3]