expert 4×4 Set 84 Form Exercise

Speed Grid (×): Fill in each cell by applying the operation to the row and column headers. Row headers: [2, 3, 9], Column headers: [5, 8, 8]

Show answer

Answer: Row 2: [10, 16, 16]; Row 3: [15, 24, 24]; Row 9: [45, 72, 72]

SubType
speed-grid
Difficulty
expert
Operation
×
RowHeaders
  • 2
  • 3
  • 9
ColHeaders
  • 5
  • 8
  • 8
Cells
  • [10,16,16]
  • [15,24,24]
  • [45,72,72]

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

Show answer

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

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