hard 4×4 Set 56 Form Exercise

Speed Grid (×): Fill in each cell by applying the operation to the row and column headers. Row headers: [10, 7, 7, 7], Column headers: [9, 1, 9, 9]

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Answer: Row 10: [90, 10, 90, 90]; Row 7: [63, 7, 63, 63]; Row 7: [63, 7, 63, 63]; Row 7: [63, 7, 63, 63]

SubType
speed-grid
Difficulty
hard
Operation
×
RowHeaders
  • 10
  • 7
  • 7
  • 7
ColHeaders
  • 9
  • 1
  • 9
  • 9
Cells
  • [90,10,90,90]
  • [63,7,63,63]
  • [63,7,63,63]
  • [63,7,63,63]

Speed Grid (+): Fill in each cell by applying the operation to the row and column headers. Row headers: [9, 7, 4, 7], Column headers: [10, 7, 5, 3]

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Answer: Row 9: [19, 16, 14, 12]; Row 7: [17, 14, 12, 10]; Row 4: [14, 11, 9, 7]; Row 7: [17, 14, 12, 10]

SubType
speed-grid
Difficulty
hard
Operation
+
RowHeaders
  • 9
  • 7
  • 4
  • 7
ColHeaders
  • 10
  • 7
  • 5
  • 3
Cells
  • [19,16,14,12]
  • [17,14,12,10]
  • [14,11,9,7]
  • [17,14,12,10]