medium 5×5 Set 31 Form Exercise

Speed Grid (×): Fill in each cell by applying the operation to the row and column headers. Row headers: [9, 8, 4], Column headers: [10, 7, 2]

Show answer

Answer: Row 9: [90, 63, 18]; Row 8: [80, 56, 16]; Row 4: [40, 28, 8]

SubType
speed-grid
Difficulty
medium
Operation
×
RowHeaders
  • 9
  • 8
  • 4
ColHeaders
  • 10
  • 7
  • 2
Cells
  • [90,63,18]
  • [80,56,16]
  • [40,28,8]

Speed Grid (-): Fill in each cell by applying the operation to the row and column headers. Row headers: [6, 5, 9], Column headers: [5, 9, 9]

Show answer

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

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