expert 4×4 Set 21 Form Exercise

Speed Grid (×): Fill in each cell by applying the operation to the row and column headers. Row headers: [10, 2, 4], Column headers: [7, 8, 8]

Show answer

Answer: Row 10: [70, 80, 80]; Row 2: [14, 16, 16]; Row 4: [28, 32, 32]

SubType
speed-grid
Difficulty
expert
Operation
×
RowHeaders
  • 10
  • 2
  • 4
ColHeaders
  • 7
  • 8
  • 8
Cells
  • [70,80,80]
  • [14,16,16]
  • [28,32,32]

Speed Grid (+): Fill in each cell by applying the operation to the row and column headers. Row headers: [8, 2, 4], Column headers: [1, 10, 10]

Show answer

Answer: Row 8: [9, 18, 18]; Row 2: [3, 12, 12]; Row 4: [5, 14, 14]

SubType
speed-grid
Difficulty
expert
Operation
+
RowHeaders
  • 8
  • 2
  • 4
ColHeaders
  • 1
  • 10
  • 10
Cells
  • [9,18,18]
  • [3,12,12]
  • [5,14,14]