easy 4×4 Set 90 Form Exercise

Speed Grid (×): Fill in each cell by applying the operation to the row and column headers. Row headers: [10, 10, 9], Column headers: [1, 9, 10]

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Answer: Row 10: [10, 90, 100]; Row 10: [10, 90, 100]; Row 9: [9, 81, 90]

SubType
speed-grid
Difficulty
easy
Operation
×
RowHeaders
  • 10
  • 10
  • 9
ColHeaders
  • 1
  • 9
  • 10
Cells
  • [10,90,100]
  • [10,90,100]
  • [9,81,90]

Speed Grid (-): Fill in each cell by applying the operation to the row and column headers. Row headers: [2, 10, 8], Column headers: [10, 6, 7]

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Answer: Row 2: [8, 4, 5]; Row 10: [0, 4, 3]; Row 8: [2, 2, 1]

SubType
speed-grid
Difficulty
easy
Operation
-
RowHeaders
  • 2
  • 10
  • 8
ColHeaders
  • 10
  • 6
  • 7
Cells
  • [8,4,5]
  • [0,4,3]
  • [2,2,1]