hard 4×4 Set 45 Form Exercise

Speed Grid (×): Fill in each cell by applying the operation to the row and column headers. Row headers: [9, 2, 4, 3], Column headers: [5, 7, 10, 5]

Show answer

Answer: Row 9: [45, 63, 90, 45]; Row 2: [10, 14, 20, 10]; Row 4: [20, 28, 40, 20]; Row 3: [15, 21, 30, 15]

SubType
speed-grid
Difficulty
hard
Operation
×
RowHeaders
  • 9
  • 2
  • 4
  • 3
ColHeaders
  • 5
  • 7
  • 10
  • 5
Cells
  • [45,63,90,45]
  • [10,14,20,10]
  • [20,28,40,20]
  • [15,21,30,15]

Speed Grid (-): Fill in each cell by applying the operation to the row and column headers. Row headers: [5, 5, 5, 7], Column headers: [2, 9, 10, 3]

Show answer

Answer: Row 5: [3, 4, 5, 2]; Row 5: [3, 4, 5, 2]; Row 5: [3, 4, 5, 2]; Row 7: [5, 2, 3, 4]

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