medium Set 87 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [43] → [19, 24] → [8, _, _] → [7, _, 10, _]

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Answer: Row4[2]=1, Row3[2]=11, Row4[4]=3, Row3[3]=13

SubType
number-pyramid
Difficulty
medium
Levels
  • [43]
  • [19,24]
  • [8,11,13]
  • [7,1,10,3]
Base
  • 7
  • 1
  • 10
  • 3
TopValue
43
HiddenCells
  • {"r":3,"c":1,"v":1}
  • {"r":2,"c":1,"v":11}
  • {"r":3,"c":3,"v":3}
  • {"r":2,"c":2,"v":13}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [35] → [14, _] → [_, _, 12] → [_, 2, 7, 5]

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Answer: Row3[1]=5, Row4[1]=3, Row3[2]=9, Row2[2]=21

SubType
number-pyramid
Difficulty
medium
Levels
  • [35]
  • [14,21]
  • [5,9,12]
  • [3,2,7,5]
Base
  • 3
  • 2
  • 7
  • 5
TopValue
35
HiddenCells
  • {"r":2,"c":0,"v":5}
  • {"r":3,"c":0,"v":3}
  • {"r":2,"c":1,"v":9}
  • {"r":1,"c":1,"v":21}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [45] → [24, 21] → [11, _, _] → [_, _, 4, 4]

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Answer: Row3[2]=13, Row4[2]=9, Row4[1]=2, Row3[3]=8

SubType
number-pyramid
Difficulty
medium
Levels
  • [45]
  • [24,21]
  • [11,13,8]
  • [2,9,4,4]
Base
  • 2
  • 9
  • 4
  • 4
TopValue
45
HiddenCells
  • {"r":2,"c":1,"v":13}
  • {"r":3,"c":1,"v":9}
  • {"r":3,"c":0,"v":2}
  • {"r":2,"c":2,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 30] → [13, 15, 15] → [7, _, 9, _]

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Answer: Row4[4]=6, Row2[1]=28, Row4[2]=6, Row1[1]=58

SubType
number-pyramid
Difficulty
medium
Levels
  • [58]
  • [28,30]
  • [13,15,15]
  • [7,6,9,6]
Base
  • 7
  • 6
  • 9
  • 6
TopValue
58
HiddenCells
  • {"r":3,"c":3,"v":6}
  • {"r":1,"c":0,"v":28}
  • {"r":3,"c":1,"v":6}
  • {"r":0,"c":0,"v":58}