hard 4×4 Set 43 Form Exercise

Speed Grid (×): Fill in each cell by applying the operation to the row and column headers. Row headers: [5, 7, 8, 6], Column headers: [6, 3, 10, 6]

Show answer

Answer: Row 5: [30, 15, 50, 30]; Row 7: [42, 21, 70, 42]; Row 8: [48, 24, 80, 48]; Row 6: [36, 18, 60, 36]

SubType
speed-grid
Difficulty
hard
Operation
×
RowHeaders
  • 5
  • 7
  • 8
  • 6
ColHeaders
  • 6
  • 3
  • 10
  • 6
Cells
  • [30,15,50,30]
  • [42,21,70,42]
  • [48,24,80,48]
  • [36,18,60,36]

Speed Grid (+): Fill in each cell by applying the operation to the row and column headers. Row headers: [6, 2, 1, 10], Column headers: [10, 2, 7, 7]

Show answer

Answer: Row 6: [16, 8, 13, 13]; Row 2: [12, 4, 9, 9]; Row 1: [11, 3, 8, 8]; Row 10: [20, 12, 17, 17]

SubType
speed-grid
Difficulty
hard
Operation
+
RowHeaders
  • 6
  • 2
  • 1
  • 10
ColHeaders
  • 10
  • 2
  • 7
  • 7
Cells
  • [16,8,13,13]
  • [12,4,9,9]
  • [11,3,8,8]
  • [20,12,17,17]