expert 4×4 Set 64 Form Exercise

Speed Grid (+): Fill in each cell by applying the operation to the row and column headers. Row headers: [10, 9, 8], Column headers: [4, 5, 7]

Show answer

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

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

Speed Grid (-): Fill in each cell by applying the operation to the row and column headers. Row headers: [3, 1, 1], Column headers: [4, 10, 3]

Show answer

Answer: Row 3: [1, 7, 0]; Row 1: [3, 9, 2]; Row 1: [3, 9, 2]

SubType
speed-grid
Difficulty
expert
Operation
-
RowHeaders
  • 3
  • 1
  • 1
ColHeaders
  • 4
  • 10
  • 3
Cells
  • [1,7,0]
  • [3,9,2]
  • [3,9,2]