hard 4×4 Set 62 Form Exercise

Speed Grid (×): Fill in each cell by applying the operation to the row and column headers. Row headers: [3, 4, 9, 8], Column headers: [6, 9, 1, 5]

Show answer

Answer: Row 3: [18, 27, 3, 15]; Row 4: [24, 36, 4, 20]; Row 9: [54, 81, 9, 45]; Row 8: [48, 72, 8, 40]

SubType
speed-grid
Difficulty
hard
Operation
×
RowHeaders
  • 3
  • 4
  • 9
  • 8
ColHeaders
  • 6
  • 9
  • 1
  • 5
Cells
  • [18,27,3,15]
  • [24,36,4,20]
  • [54,81,9,45]
  • [48,72,8,40]

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

Show answer

Answer: Row 1: [0, 0, 7, 6]; Row 2: [1, 1, 6, 5]; Row 6: [5, 5, 2, 1]; Row 2: [1, 1, 6, 5]

SubType
speed-grid
Difficulty
hard
Operation
-
RowHeaders
  • 1
  • 2
  • 6
  • 2
ColHeaders
  • 1
  • 1
  • 8
  • 7
Cells
  • [0,0,7,6]
  • [1,1,6,5]
  • [5,5,2,1]
  • [1,1,6,5]