hard 4×4 Set 21 Form Exercise

Speed Grid (+): Fill in each cell by applying the operation to the row and column headers. Row headers: [2, 10, 3, 9], Column headers: [3, 7, 7, 9]

Show answer

Answer: Row 2: [5, 9, 9, 11]; Row 10: [13, 17, 17, 19]; Row 3: [6, 10, 10, 12]; Row 9: [12, 16, 16, 18]

SubType
speed-grid
Difficulty
hard
Operation
+
RowHeaders
  • 2
  • 10
  • 3
  • 9
ColHeaders
  • 3
  • 7
  • 7
  • 9
Cells
  • [5,9,9,11]
  • [13,17,17,19]
  • [6,10,10,12]
  • [12,16,16,18]

Speed Grid (×): Fill in each cell by applying the operation to the row and column headers. Row headers: [2, 2, 8, 1], Column headers: [6, 7, 7, 7]

Show answer

Answer: Row 2: [12, 14, 14, 14]; Row 2: [12, 14, 14, 14]; Row 8: [48, 56, 56, 56]; Row 1: [6, 7, 7, 7]

SubType
speed-grid
Difficulty
hard
Operation
×
RowHeaders
  • 2
  • 2
  • 8
  • 1
ColHeaders
  • 6
  • 7
  • 7
  • 7
Cells
  • [12,14,14,14]
  • [12,14,14,14]
  • [48,56,56,56]
  • [6,7,7,7]