hard 4×4 Set 53 Form Exercise

Speed Grid (+): Fill in each cell by applying the operation to the row and column headers. Row headers: [8, 7, 5, 10], Column headers: [7, 4, 3, 8]

Show answer

Answer: Row 8: [15, 12, 11, 16]; Row 7: [14, 11, 10, 15]; Row 5: [12, 9, 8, 13]; Row 10: [17, 14, 13, 18]

SubType
speed-grid
Difficulty
hard
Operation
+
RowHeaders
  • 8
  • 7
  • 5
  • 10
ColHeaders
  • 7
  • 4
  • 3
  • 8
Cells
  • [15,12,11,16]
  • [14,11,10,15]
  • [12,9,8,13]
  • [17,14,13,18]

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

Show answer

Answer: Row 3: [7, 4, 7, 3]; Row 7: [3, 0, 3, 1]; Row 6: [4, 1, 4, 0]; Row 5: [5, 2, 5, 1]

SubType
speed-grid
Difficulty
hard
Operation
-
RowHeaders
  • 3
  • 7
  • 6
  • 5
ColHeaders
  • 10
  • 7
  • 10
  • 6
Cells
  • [7,4,7,3]
  • [3,0,3,1]
  • [4,1,4,0]
  • [5,2,5,1]