hard 4×4 Set 39 Form Exercise

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

Show answer

Answer: Row 6: [13, 14, 13, 7]; Row 1: [8, 9, 8, 2]; Row 2: [9, 10, 9, 3]; Row 9: [16, 17, 16, 10]

SubType
speed-grid
Difficulty
hard
Operation
+
RowHeaders
  • 6
  • 1
  • 2
  • 9
ColHeaders
  • 7
  • 8
  • 7
  • 1
Cells
  • [13,14,13,7]
  • [8,9,8,2]
  • [9,10,9,3]
  • [16,17,16,10]

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

Show answer

Answer: Row 4: [24, 16, 24, 28]; Row 9: [54, 36, 54, 63]; Row 4: [24, 16, 24, 28]; Row 6: [36, 24, 36, 42]

SubType
speed-grid
Difficulty
hard
Operation
×
RowHeaders
  • 4
  • 9
  • 4
  • 6
ColHeaders
  • 6
  • 4
  • 6
  • 7
Cells
  • [24,16,24,28]
  • [54,36,54,63]
  • [24,16,24,28]
  • [36,24,36,42]