hard 4×4 Set 12 Form Exercise

Speed Grid (+): Fill in each cell by applying the operation to the row and column headers. Row headers: [10, 5, 10, 10], Column headers: [10, 2, 1, 7]

Show answer

Answer: Row 10: [20, 12, 11, 17]; Row 5: [15, 7, 6, 12]; Row 10: [20, 12, 11, 17]; Row 10: [20, 12, 11, 17]

SubType
speed-grid
Difficulty
hard
Operation
+
RowHeaders
  • 10
  • 5
  • 10
  • 10
ColHeaders
  • 10
  • 2
  • 1
  • 7
Cells
  • [20,12,11,17]
  • [15,7,6,12]
  • [20,12,11,17]
  • [20,12,11,17]

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

Show answer

Answer: Row 8: [56, 56, 56, 80]; Row 3: [21, 21, 21, 30]; Row 8: [56, 56, 56, 80]; Row 5: [35, 35, 35, 50]

SubType
speed-grid
Difficulty
hard
Operation
×
RowHeaders
  • 8
  • 3
  • 8
  • 5
ColHeaders
  • 7
  • 7
  • 7
  • 10
Cells
  • [56,56,56,80]
  • [21,21,21,30]
  • [56,56,56,80]
  • [35,35,35,50]