hard 4×4 Set 15 Form Exercise

Speed Grid (+): Fill in each cell by applying the operation to the row and column headers. Row headers: [9, 7, 1, 9], Column headers: [4, 4, 3, 8]

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Answer: Row 9: [13, 13, 12, 17]; Row 7: [11, 11, 10, 15]; Row 1: [5, 5, 4, 9]; Row 9: [13, 13, 12, 17]

SubType
speed-grid
Difficulty
hard
Operation
+
RowHeaders
  • 9
  • 7
  • 1
  • 9
ColHeaders
  • 4
  • 4
  • 3
  • 8
Cells
  • [13,13,12,17]
  • [11,11,10,15]
  • [5,5,4,9]
  • [13,13,12,17]

Speed Grid (-): Fill in each cell by applying the operation to the row and column headers. Row headers: [1, 2, 2, 4], Column headers: [9, 8, 9, 10]

Show answer

Answer: Row 1: [8, 7, 8, 9]; Row 2: [7, 6, 7, 8]; Row 2: [7, 6, 7, 8]; Row 4: [5, 4, 5, 6]

SubType
speed-grid
Difficulty
hard
Operation
-
RowHeaders
  • 1
  • 2
  • 2
  • 4
ColHeaders
  • 9
  • 8
  • 9
  • 10
Cells
  • [8,7,8,9]
  • [7,6,7,8]
  • [7,6,7,8]
  • [5,4,5,6]