hard Set 30 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 42] → [_, 22, _] → [_, 13, _, _] → [5, _, 6, 3, 8]

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Answer: Row3[3]=20, Row3[1]=25, Row5[2]=7, Row4[3]=9, Row4[4]=11, Row1[1]=89, Row4[1]=12, Row2[1]=47

SubType
number-pyramid
Difficulty
hard
Levels
  • [89]
  • [47,42]
  • [25,22,20]
  • [12,13,9,11]
  • [5,7,6,3,8]
Base
  • 5
  • 7
  • 6
  • 3
  • 8
TopValue
89
HiddenCells
  • {"r":2,"c":2,"v":20}
  • {"r":2,"c":0,"v":25}
  • {"r":4,"c":1,"v":7}
  • {"r":3,"c":2,"v":9}
  • {"r":3,"c":3,"v":11}
  • {"r":0,"c":0,"v":89}
  • {"r":3,"c":0,"v":12}
  • {"r":1,"c":0,"v":47}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [99] → [_, 49] → [22, 28, _] → [9, _, 15, 6] → [_, _, _, _, _]

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Answer: Row3[3]=21, Row5[4]=5, Row2[1]=50, Row5[1]=6, Row5[5]=1, Row5[3]=10, Row4[2]=13, Row5[2]=3

SubType
number-pyramid
Difficulty
hard
Levels
  • [99]
  • [50,49]
  • [22,28,21]
  • [9,13,15,6]
  • [6,3,10,5,1]
Base
  • 6
  • 3
  • 10
  • 5
  • 1
TopValue
99
HiddenCells
  • {"r":2,"c":2,"v":21}
  • {"r":4,"c":3,"v":5}
  • {"r":1,"c":0,"v":50}
  • {"r":4,"c":0,"v":6}
  • {"r":4,"c":4,"v":1}
  • {"r":4,"c":2,"v":10}
  • {"r":3,"c":1,"v":13}
  • {"r":4,"c":1,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [63] → [39, _] → [_, _, 11] → [17, _, _, 7] → [_, _, _, 3, 4]

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Answer: Row4[3]=4, Row5[3]=1, Row5[1]=9, Row5[2]=8, Row3[1]=26, Row3[2]=13, Row4[2]=9, Row2[2]=24

SubType
number-pyramid
Difficulty
hard
Levels
  • [63]
  • [39,24]
  • [26,13,11]
  • [17,9,4,7]
  • [9,8,1,3,4]
Base
  • 9
  • 8
  • 1
  • 3
  • 4
TopValue
63
HiddenCells
  • {"r":3,"c":2,"v":4}
  • {"r":4,"c":2,"v":1}
  • {"r":4,"c":0,"v":9}
  • {"r":4,"c":1,"v":8}
  • {"r":2,"c":0,"v":26}
  • {"r":2,"c":1,"v":13}
  • {"r":3,"c":1,"v":9}
  • {"r":1,"c":1,"v":24}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [62, _] → [30, _, 24] → [_, 16, 16, _] → [7, _, _, _, 1]

Show answer

Answer: Row5[3]=9, Row2[2]=56, Row5[2]=7, Row1[1]=118, Row4[4]=8, Row3[2]=32, Row5[4]=7, Row4[1]=14

SubType
number-pyramid
Difficulty
hard
Levels
  • [118]
  • [62,56]
  • [30,32,24]
  • [14,16,16,8]
  • [7,7,9,7,1]
Base
  • 7
  • 7
  • 9
  • 7
  • 1
TopValue
118
HiddenCells
  • {"r":4,"c":2,"v":9}
  • {"r":1,"c":1,"v":56}
  • {"r":4,"c":1,"v":7}
  • {"r":0,"c":0,"v":118}
  • {"r":3,"c":3,"v":8}
  • {"r":2,"c":1,"v":32}
  • {"r":4,"c":3,"v":7}
  • {"r":3,"c":0,"v":14}