medium Set 90 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [12, _] → [_, _, 6] → [1, 5, 1, 5]

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Answer: Row3[2]=6, Row3[1]=6, Row1[1]=24, Row2[2]=12

SubType
number-pyramid
Difficulty
medium
Levels
  • [24]
  • [12,12]
  • [6,6,6]
  • [1,5,1,5]
Base
  • 1
  • 5
  • 1
  • 5
TopValue
24
HiddenCells
  • {"r":2,"c":1,"v":6}
  • {"r":2,"c":0,"v":6}
  • {"r":0,"c":0,"v":24}
  • {"r":1,"c":1,"v":12}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [35] → [_, 22] → [_, 9, _] → [1, 3, _, 7]

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Answer: Row4[3]=6, Row3[1]=4, Row3[3]=13, Row2[1]=13

SubType
number-pyramid
Difficulty
medium
Levels
  • [35]
  • [13,22]
  • [4,9,13]
  • [1,3,6,7]
Base
  • 1
  • 3
  • 6
  • 7
TopValue
35
HiddenCells
  • {"r":3,"c":2,"v":6}
  • {"r":2,"c":0,"v":4}
  • {"r":2,"c":2,"v":13}
  • {"r":1,"c":0,"v":13}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [16] → [10, 6] → [_, 4, 2] → [_, _, 1, _]

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Answer: Row4[1]=3, Row4[2]=3, Row4[4]=1, Row3[1]=6

SubType
number-pyramid
Difficulty
medium
Levels
  • [16]
  • [10,6]
  • [6,4,2]
  • [3,3,1,1]
Base
  • 3
  • 3
  • 1
  • 1
TopValue
16
HiddenCells
  • {"r":3,"c":0,"v":3}
  • {"r":3,"c":1,"v":3}
  • {"r":3,"c":3,"v":1}
  • {"r":2,"c":0,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [19, _] → [11, 8, 16] → [10, _, _, 9]

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Answer: Row1[1]=43, Row4[2]=1, Row4[3]=7, Row2[2]=24

SubType
number-pyramid
Difficulty
medium
Levels
  • [43]
  • [19,24]
  • [11,8,16]
  • [10,1,7,9]
Base
  • 10
  • 1
  • 7
  • 9
TopValue
43
HiddenCells
  • {"r":0,"c":0,"v":43}
  • {"r":3,"c":1,"v":1}
  • {"r":3,"c":2,"v":7}
  • {"r":1,"c":1,"v":24}