hard 5×5 Set 35 Form Exercise

Speed Grid (×): Fill in each cell by applying the operation to the row and column headers. Row headers: [5, 6, 7, 9], Column headers: [9, 4, 2, 8]

Show answer

Answer: Row 5: [45, 20, 10, 40]; Row 6: [54, 24, 12, 48]; Row 7: [63, 28, 14, 56]; Row 9: [81, 36, 18, 72]

SubType
speed-grid
Difficulty
hard
Operation
×
RowHeaders
  • 5
  • 6
  • 7
  • 9
ColHeaders
  • 9
  • 4
  • 2
  • 8
Cells
  • [45,20,10,40]
  • [54,24,12,48]
  • [63,28,14,56]
  • [81,36,18,72]

Speed Grid (-): Fill in each cell by applying the operation to the row and column headers. Row headers: [1, 9, 9, 7], Column headers: [5, 2, 4, 1]

Show answer

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

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