expert 4×4 Set 46 Form Exercise

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

Show answer

Answer: Row 2: [6, 20, 14]; Row 7: [21, 70, 49]; Row 9: [27, 90, 63]

SubType
speed-grid
Difficulty
expert
Operation
×
RowHeaders
  • 2
  • 7
  • 9
ColHeaders
  • 3
  • 10
  • 7
Cells
  • [6,20,14]
  • [21,70,49]
  • [27,90,63]

Speed Grid (+): Fill in each cell by applying the operation to the row and column headers. Row headers: [4, 6, 1], Column headers: [7, 2, 2]

Show answer

Answer: Row 4: [11, 6, 6]; Row 6: [13, 8, 8]; Row 1: [8, 3, 3]

SubType
speed-grid
Difficulty
expert
Operation
+
RowHeaders
  • 4
  • 6
  • 1
ColHeaders
  • 7
  • 2
  • 2
Cells
  • [11,6,6]
  • [13,8,8]
  • [8,3,3]