medium Set 40 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [4, _, 9] → [1, 3, 1, 8]

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Answer: Row2[2]=13, Row3[2]=4, Row2[1]=8, Row1[1]=21

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

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [36] → [_, 23] → [_, 8, _] → [_, 3, 5, 10]

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Answer: Row4[1]=2, Row3[1]=5, Row3[3]=15, Row2[1]=13

SubType
number-pyramid
Difficulty
medium
Levels
  • [36]
  • [13,23]
  • [5,8,15]
  • [2,3,5,10]
Base
  • 2
  • 3
  • 5
  • 10
TopValue
36
HiddenCells
  • {"r":3,"c":0,"v":2}
  • {"r":2,"c":0,"v":5}
  • {"r":2,"c":2,"v":15}
  • {"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): [37] → [16, _] → [_, 8, 13] → [3, 5, _, _]

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Answer: Row4[4]=10, Row2[2]=21, Row4[3]=3, Row3[1]=8

SubType
number-pyramid
Difficulty
medium
Levels
  • [37]
  • [16,21]
  • [8,8,13]
  • [3,5,3,10]
Base
  • 3
  • 5
  • 3
  • 10
TopValue
37
HiddenCells
  • {"r":3,"c":3,"v":10}
  • {"r":1,"c":1,"v":21}
  • {"r":3,"c":2,"v":3}
  • {"r":2,"c":0,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [24, 24] → [_, 10, 14] → [8, _, 4, _]

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Answer: Row1[1]=48, Row4[4]=10, Row3[1]=14, Row4[2]=6

SubType
number-pyramid
Difficulty
medium
Levels
  • [48]
  • [24,24]
  • [14,10,14]
  • [8,6,4,10]
Base
  • 8
  • 6
  • 4
  • 10
TopValue
48
HiddenCells
  • {"r":0,"c":0,"v":48}
  • {"r":3,"c":3,"v":10}
  • {"r":2,"c":0,"v":14}
  • {"r":3,"c":1,"v":6}