hard 4×4 Set 52 Form Exercise

Speed Grid (×): Fill in each cell by applying the operation to the row and column headers. Row headers: [3, 6, 5, 6], Column headers: [10, 9, 6, 2]

Show answer

Answer: Row 3: [30, 27, 18, 6]; Row 6: [60, 54, 36, 12]; Row 5: [50, 45, 30, 10]; Row 6: [60, 54, 36, 12]

SubType
speed-grid
Difficulty
hard
Operation
×
RowHeaders
  • 3
  • 6
  • 5
  • 6
ColHeaders
  • 10
  • 9
  • 6
  • 2
Cells
  • [30,27,18,6]
  • [60,54,36,12]
  • [50,45,30,10]
  • [60,54,36,12]

Speed Grid (+): Fill in each cell by applying the operation to the row and column headers. Row headers: [10, 8, 3, 9], Column headers: [3, 8, 8, 9]

Show answer

Answer: Row 10: [13, 18, 18, 19]; Row 8: [11, 16, 16, 17]; Row 3: [6, 11, 11, 12]; Row 9: [12, 17, 17, 18]

SubType
speed-grid
Difficulty
hard
Operation
+
RowHeaders
  • 10
  • 8
  • 3
  • 9
ColHeaders
  • 3
  • 8
  • 8
  • 9
Cells
  • [13,18,18,19]
  • [11,16,16,17]
  • [6,11,11,12]
  • [12,17,17,18]