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, 4, 4, 3], Column headers: [6, 1, 1, 3]

Show answer

Answer: Row 9: [15, 10, 10, 12]; Row 4: [10, 5, 5, 7]; Row 4: [10, 5, 5, 7]; Row 3: [9, 4, 4, 6]

SubType
speed-grid
Difficulty
hard
Operation
+
RowHeaders
  • 9
  • 4
  • 4
  • 3
ColHeaders
  • 6
  • 1
  • 1
  • 3
Cells
  • [15,10,10,12]
  • [10,5,5,7]
  • [10,5,5,7]
  • [9,4,4,6]

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

Show answer

Answer: Row 10: [7, 3, 4, 5]; Row 7: [4, 0, 1, 2]; Row 10: [7, 3, 4, 5]; Row 2: [1, 5, 4, 3]

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