expert 4×4 Set 90 Form Exercise

Speed Grid (+): Fill in each cell by applying the operation to the row and column headers. Row headers: [4, 6, 2], Column headers: [2, 2, 3]

Show answer

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

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

Speed Grid (×): Fill in each cell by applying the operation to the row and column headers. Row headers: [1, 7, 3], Column headers: [6, 10, 4]

Show answer

Answer: Row 1: [6, 10, 4]; Row 7: [42, 70, 28]; Row 3: [18, 30, 12]

SubType
speed-grid
Difficulty
expert
Operation
×
RowHeaders
  • 1
  • 7
  • 3
ColHeaders
  • 6
  • 10
  • 4
Cells
  • [6,10,4]
  • [42,70,28]
  • [18,30,12]