hard 4×4 Set 16 Form Exercise

Speed Grid (×): Fill in each cell by applying the operation to the row and column headers. Row headers: [3, 3, 4, 7], Column headers: [8, 8, 5, 1]

Show answer

Answer: Row 3: [24, 24, 15, 3]; Row 3: [24, 24, 15, 3]; Row 4: [32, 32, 20, 4]; Row 7: [56, 56, 35, 7]

SubType
speed-grid
Difficulty
hard
Operation
×
RowHeaders
  • 3
  • 3
  • 4
  • 7
ColHeaders
  • 8
  • 8
  • 5
  • 1
Cells
  • [24,24,15,3]
  • [24,24,15,3]
  • [32,32,20,4]
  • [56,56,35,7]

Speed Grid (-): Fill in each cell by applying the operation to the row and column headers. Row headers: [1, 10, 2, 7], Column headers: [2, 10, 8, 5]

Show answer

Answer: Row 1: [1, 9, 7, 4]; Row 10: [8, 0, 2, 5]; Row 2: [0, 8, 6, 3]; Row 7: [5, 3, 1, 2]

SubType
speed-grid
Difficulty
hard
Operation
-
RowHeaders
  • 1
  • 10
  • 2
  • 7
ColHeaders
  • 2
  • 10
  • 8
  • 5
Cells
  • [1,9,7,4]
  • [8,0,2,5]
  • [0,8,6,3]
  • [5,3,1,2]