hard 4×4 Set 99 Form Exercise

Speed Grid (+): Fill in each cell by applying the operation to the row and column headers. Row headers: [1, 4, 5, 2], Column headers: [4, 5, 3, 9]

Show answer

Answer: Row 1: [5, 6, 4, 10]; Row 4: [8, 9, 7, 13]; Row 5: [9, 10, 8, 14]; Row 2: [6, 7, 5, 11]

SubType
speed-grid
Difficulty
hard
Operation
+
RowHeaders
  • 1
  • 4
  • 5
  • 2
ColHeaders
  • 4
  • 5
  • 3
  • 9
Cells
  • [5,6,4,10]
  • [8,9,7,13]
  • [9,10,8,14]
  • [6,7,5,11]

Speed Grid (×): Fill in each cell by applying the operation to the row and column headers. Row headers: [3, 6, 9, 7], Column headers: [4, 3, 10, 3]

Show answer

Answer: Row 3: [12, 9, 30, 9]; Row 6: [24, 18, 60, 18]; Row 9: [36, 27, 90, 27]; Row 7: [28, 21, 70, 21]

SubType
speed-grid
Difficulty
hard
Operation
×
RowHeaders
  • 3
  • 6
  • 9
  • 7
ColHeaders
  • 4
  • 3
  • 10
  • 3
Cells
  • [12,9,30,9]
  • [24,18,60,18]
  • [36,27,90,27]
  • [28,21,70,21]