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): [54] → [_, 29] → [13, _, 17] → [9, 4, _, _]

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Answer: Row2[1]=25, Row4[4]=9, Row3[2]=12, Row4[3]=8

SubType
number-pyramid
Difficulty
medium
Levels
  • [54]
  • [25,29]
  • [13,12,17]
  • [9,4,8,9]
Base
  • 9
  • 4
  • 8
  • 9
TopValue
54
HiddenCells
  • {"r":1,"c":0,"v":25}
  • {"r":3,"c":3,"v":9}
  • {"r":2,"c":1,"v":12}
  • {"r":3,"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): [51] → [_, _] → [13, 14, 10] → [_, 8, _, 4]

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Answer: Row4[3]=6, Row2[2]=24, Row2[1]=27, Row4[1]=5

SubType
number-pyramid
Difficulty
medium
Levels
  • [51]
  • [27,24]
  • [13,14,10]
  • [5,8,6,4]
Base
  • 5
  • 8
  • 6
  • 4
TopValue
51
HiddenCells
  • {"r":3,"c":2,"v":6}
  • {"r":1,"c":1,"v":24}
  • {"r":1,"c":0,"v":27}
  • {"r":3,"c":0,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 29] → [14, 17, _] → [4, _, 7, 5]

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Answer: Row4[2]=10, Row2[1]=31, Row1[1]=60, Row3[3]=12

SubType
number-pyramid
Difficulty
medium
Levels
  • [60]
  • [31,29]
  • [14,17,12]
  • [4,10,7,5]
Base
  • 4
  • 10
  • 7
  • 5
TopValue
60
HiddenCells
  • {"r":3,"c":1,"v":10}
  • {"r":1,"c":0,"v":31}
  • {"r":0,"c":0,"v":60}
  • {"r":2,"c":2,"v":12}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [18, 17] → [11, _, _] → [_, 4, 3, 7]

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Answer: Row3[2]=7, Row1[1]=35, Row3[3]=10, Row4[1]=7

SubType
number-pyramid
Difficulty
medium
Levels
  • [35]
  • [18,17]
  • [11,7,10]
  • [7,4,3,7]
Base
  • 7
  • 4
  • 3
  • 7
TopValue
35
HiddenCells
  • {"r":2,"c":1,"v":7}
  • {"r":0,"c":0,"v":35}
  • {"r":2,"c":2,"v":10}
  • {"r":3,"c":0,"v":7}