hard 4×4 Set 70 Form Exercise

Speed Grid (+): Fill in each cell by applying the operation to the row and column headers. Row headers: [6, 5, 7, 3], Column headers: [10, 2, 7, 6]

Show answer

Answer: Row 6: [16, 8, 13, 12]; Row 5: [15, 7, 12, 11]; Row 7: [17, 9, 14, 13]; Row 3: [13, 5, 10, 9]

SubType
speed-grid
Difficulty
hard
Operation
+
RowHeaders
  • 6
  • 5
  • 7
  • 3
ColHeaders
  • 10
  • 2
  • 7
  • 6
Cells
  • [16,8,13,12]
  • [15,7,12,11]
  • [17,9,14,13]
  • [13,5,10,9]

Speed Grid (-): Fill in each cell by applying the operation to the row and column headers. Row headers: [9, 7, 2, 9], Column headers: [1, 8, 1, 10]

Show answer

Answer: Row 9: [8, 1, 8, 1]; Row 7: [6, 1, 6, 3]; Row 2: [1, 6, 1, 8]; Row 9: [8, 1, 8, 1]

SubType
speed-grid
Difficulty
hard
Operation
-
RowHeaders
  • 9
  • 7
  • 2
  • 9
ColHeaders
  • 1
  • 8
  • 1
  • 10
Cells
  • [8,1,8,1]
  • [6,1,6,3]
  • [1,6,1,8]
  • [8,1,8,1]