expert 4×4 Set 55 Form Exercise

Speed Grid (×): Fill in each cell by applying the operation to the row and column headers. Row headers: [4, 7, 8], Column headers: [3, 7, 9]

Show answer

Answer: Row 4: [12, 28, 36]; Row 7: [21, 49, 63]; Row 8: [24, 56, 72]

SubType
speed-grid
Difficulty
expert
Operation
×
RowHeaders
  • 4
  • 7
  • 8
ColHeaders
  • 3
  • 7
  • 9
Cells
  • [12,28,36]
  • [21,49,63]
  • [24,56,72]

Speed Grid (+): Fill in each cell by applying the operation to the row and column headers. Row headers: [4, 4, 3], Column headers: [9, 6, 6]

Show answer

Answer: Row 4: [13, 10, 10]; Row 4: [13, 10, 10]; Row 3: [12, 9, 9]

SubType
speed-grid
Difficulty
expert
Operation
+
RowHeaders
  • 4
  • 4
  • 3
ColHeaders
  • 9
  • 6
  • 6
Cells
  • [13,10,10]
  • [13,10,10]
  • [12,9,9]