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): [57] → [_, 31] → [_, 17, 14] → [1, _, 9, _]

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Answer: Row4[2]=8, Row3[1]=9, Row2[1]=26, Row4[4]=5

SubType
number-pyramid
Difficulty
medium
Levels
  • [57]
  • [26,31]
  • [9,17,14]
  • [1,8,9,5]
Base
  • 1
  • 8
  • 9
  • 5
TopValue
57
HiddenCells
  • {"r":3,"c":1,"v":8}
  • {"r":2,"c":0,"v":9}
  • {"r":1,"c":0,"v":26}
  • {"r":3,"c":3,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [56] → [28, 28] → [_, _, 14] → [6, 8, _, _]

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Answer: Row4[4]=8, Row3[1]=14, Row4[3]=6, Row3[2]=14

SubType
number-pyramid
Difficulty
medium
Levels
  • [56]
  • [28,28]
  • [14,14,14]
  • [6,8,6,8]
Base
  • 6
  • 8
  • 6
  • 8
TopValue
56
HiddenCells
  • {"r":3,"c":3,"v":8}
  • {"r":2,"c":0,"v":14}
  • {"r":3,"c":2,"v":6}
  • {"r":2,"c":1,"v":14}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [21, _] → [13, _, 11] → [9, 4, _, 7]

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Answer: Row2[2]=19, Row4[3]=4, Row3[2]=8, Row1[1]=40

SubType
number-pyramid
Difficulty
medium
Levels
  • [40]
  • [21,19]
  • [13,8,11]
  • [9,4,4,7]
Base
  • 9
  • 4
  • 4
  • 7
TopValue
40
HiddenCells
  • {"r":1,"c":1,"v":19}
  • {"r":3,"c":2,"v":4}
  • {"r":2,"c":1,"v":8}
  • {"r":0,"c":0,"v":40}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [11, _] → [4, _, 10] → [_, 1, 6, 4]

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Answer: Row4[1]=3, Row1[1]=28, Row2[2]=17, Row3[2]=7

SubType
number-pyramid
Difficulty
medium
Levels
  • [28]
  • [11,17]
  • [4,7,10]
  • [3,1,6,4]
Base
  • 3
  • 1
  • 6
  • 4
TopValue
28
HiddenCells
  • {"r":3,"c":0,"v":3}
  • {"r":0,"c":0,"v":28}
  • {"r":1,"c":1,"v":17}
  • {"r":2,"c":1,"v":7}