medium 4×4 Set 86 Form Exercise

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

Show answer

Answer: Row 9: [18, 10, 17]; Row 4: [13, 5, 12]; Row 7: [16, 8, 15]

SubType
speed-grid
Difficulty
medium
Operation
+
RowHeaders
  • 9
  • 4
  • 7
ColHeaders
  • 9
  • 1
  • 8
Cells
  • [18,10,17]
  • [13,5,12]
  • [16,8,15]

Speed Grid (-): Fill in each cell by applying the operation to the row and column headers. Row headers: [5, 9, 5], Column headers: [4, 5, 2]

Show answer

Answer: Row 5: [1, 0, 3]; Row 9: [5, 4, 7]; Row 5: [1, 0, 3]

SubType
speed-grid
Difficulty
medium
Operation
-
RowHeaders
  • 5
  • 9
  • 5
ColHeaders
  • 4
  • 5
  • 2
Cells
  • [1,0,3]
  • [5,4,7]
  • [1,0,3]