hard 4×4 Set 72 Form Exercise

Speed Grid (+): Fill in each cell by applying the operation to the row and column headers. Row headers: [3, 8, 3, 10], Column headers: [7, 3, 6, 9]

Show answer

Answer: Row 3: [10, 6, 9, 12]; Row 8: [15, 11, 14, 17]; Row 3: [10, 6, 9, 12]; Row 10: [17, 13, 16, 19]

SubType
speed-grid
Difficulty
hard
Operation
+
RowHeaders
  • 3
  • 8
  • 3
  • 10
ColHeaders
  • 7
  • 3
  • 6
  • 9
Cells
  • [10,6,9,12]
  • [15,11,14,17]
  • [10,6,9,12]
  • [17,13,16,19]

Speed Grid (+): Fill in each cell by applying the operation to the row and column headers. Row headers: [3, 4, 8, 2], Column headers: [4, 1, 4, 9]

Show answer

Answer: Row 3: [7, 4, 7, 12]; Row 4: [8, 5, 8, 13]; Row 8: [12, 9, 12, 17]; Row 2: [6, 3, 6, 11]

SubType
speed-grid
Difficulty
hard
Operation
+
RowHeaders
  • 3
  • 4
  • 8
  • 2
ColHeaders
  • 4
  • 1
  • 4
  • 9
Cells
  • [7,4,7,12]
  • [8,5,8,13]
  • [12,9,12,17]
  • [6,3,6,11]