hard 4×4 Set 30 Form Exercise

Speed Grid (-): Fill in each cell by applying the operation to the row and column headers. Row headers: [8, 9, 3, 5], Column headers: [7, 8, 9, 5]

Show answer

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

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

Speed Grid (×): Fill in each cell by applying the operation to the row and column headers. Row headers: [1, 9, 2, 10], Column headers: [10, 10, 2, 5]

Show answer

Answer: Row 1: [10, 10, 2, 5]; Row 9: [90, 90, 18, 45]; Row 2: [20, 20, 4, 10]; Row 10: [100, 100, 20, 50]

SubType
speed-grid
Difficulty
hard
Operation
×
RowHeaders
  • 1
  • 9
  • 2
  • 10
ColHeaders
  • 10
  • 10
  • 2
  • 5
Cells
  • [10,10,2,5]
  • [90,90,18,45]
  • [20,20,4,10]
  • [100,100,20,50]