hard 4×4 Set 48 Form Exercise

Speed Grid (×): Fill in each cell by applying the operation to the row and column headers. Row headers: [10, 8, 2, 7], Column headers: [9, 2, 7, 8]

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Answer: Row 10: [90, 20, 70, 80]; Row 8: [72, 16, 56, 64]; Row 2: [18, 4, 14, 16]; Row 7: [63, 14, 49, 56]

SubType
speed-grid
Difficulty
hard
Operation
×
RowHeaders
  • 10
  • 8
  • 2
  • 7
ColHeaders
  • 9
  • 2
  • 7
  • 8
Cells
  • [90,20,70,80]
  • [72,16,56,64]
  • [18,4,14,16]
  • [63,14,49,56]

Speed Grid (+): Fill in each cell by applying the operation to the row and column headers. Row headers: [8, 6, 7, 6], Column headers: [9, 7, 7, 3]

Show answer

Answer: Row 8: [17, 15, 15, 11]; Row 6: [15, 13, 13, 9]; Row 7: [16, 14, 14, 10]; Row 6: [15, 13, 13, 9]

SubType
speed-grid
Difficulty
hard
Operation
+
RowHeaders
  • 8
  • 6
  • 7
  • 6
ColHeaders
  • 9
  • 7
  • 7
  • 3
Cells
  • [17,15,15,11]
  • [15,13,13,9]
  • [16,14,14,10]
  • [15,13,13,9]