hard 4×4 Set 44 Form Exercise

Speed Grid (+): Fill in each cell by applying the operation to the row and column headers. Row headers: [3, 1, 9, 1], Column headers: [7, 6, 4, 2]

Show answer

Answer: Row 3: [10, 9, 7, 5]; Row 1: [8, 7, 5, 3]; Row 9: [16, 15, 13, 11]; Row 1: [8, 7, 5, 3]

SubType
speed-grid
Difficulty
hard
Operation
+
RowHeaders
  • 3
  • 1
  • 9
  • 1
ColHeaders
  • 7
  • 6
  • 4
  • 2
Cells
  • [10,9,7,5]
  • [8,7,5,3]
  • [16,15,13,11]
  • [8,7,5,3]

Speed Grid (×): Fill in each cell by applying the operation to the row and column headers. Row headers: [4, 9, 7, 2], Column headers: [7, 2, 1, 8]

Show answer

Answer: Row 4: [28, 8, 4, 32]; Row 9: [63, 18, 9, 72]; Row 7: [49, 14, 7, 56]; Row 2: [14, 4, 2, 16]

SubType
speed-grid
Difficulty
hard
Operation
×
RowHeaders
  • 4
  • 9
  • 7
  • 2
ColHeaders
  • 7
  • 2
  • 1
  • 8
Cells
  • [28,8,4,32]
  • [63,18,9,72]
  • [49,14,7,56]
  • [14,4,2,16]