hard Set 67 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [74] → [_, _] → [17, 17, _] → [9, _, _, 14] → [3, _, _, _, 7]

Show answer

Answer: Row4[3]=9, Row4[2]=8, Row5[2]=6, Row5[4]=7, Row2[1]=34, Row5[3]=2, Row3[3]=23, Row2[2]=40

SubType
number-pyramid
Difficulty
hard
Levels
  • [74]
  • [34,40]
  • [17,17,23]
  • [9,8,9,14]
  • [3,6,2,7,7]
Base
  • 3
  • 6
  • 2
  • 7
  • 7
TopValue
74
HiddenCells
  • {"r":3,"c":2,"v":9}
  • {"r":3,"c":1,"v":8}
  • {"r":4,"c":1,"v":6}
  • {"r":4,"c":3,"v":7}
  • {"r":1,"c":0,"v":34}
  • {"r":4,"c":2,"v":2}
  • {"r":2,"c":2,"v":23}
  • {"r":1,"c":1,"v":40}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 18] → [9, _, _] → [5, _, _, 6] → [2, _, 1, 3, _]

Show answer

Answer: Row4[3]=4, Row2[1]=17, Row5[5]=3, Row1[1]=35, Row3[3]=10, Row4[2]=4, Row3[2]=8, Row5[2]=3

SubType
number-pyramid
Difficulty
hard
Levels
  • [35]
  • [17,18]
  • [9,8,10]
  • [5,4,4,6]
  • [2,3,1,3,3]
Base
  • 2
  • 3
  • 1
  • 3
  • 3
TopValue
35
HiddenCells
  • {"r":3,"c":2,"v":4}
  • {"r":1,"c":0,"v":17}
  • {"r":4,"c":4,"v":3}
  • {"r":0,"c":0,"v":35}
  • {"r":2,"c":2,"v":10}
  • {"r":3,"c":1,"v":4}
  • {"r":2,"c":1,"v":8}
  • {"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): [_] → [25, 27] → [_, 10, _] → [11, _, _, 11] → [8, _, 1, _, _]

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Answer: Row1[1]=52, Row4[3]=6, Row3[1]=15, Row3[3]=17, Row5[2]=3, Row5[4]=5, Row5[5]=6, Row4[2]=4

SubType
number-pyramid
Difficulty
hard
Levels
  • [52]
  • [25,27]
  • [15,10,17]
  • [11,4,6,11]
  • [8,3,1,5,6]
Base
  • 8
  • 3
  • 1
  • 5
  • 6
TopValue
52
HiddenCells
  • {"r":0,"c":0,"v":52}
  • {"r":3,"c":2,"v":6}
  • {"r":2,"c":0,"v":15}
  • {"r":2,"c":2,"v":17}
  • {"r":4,"c":1,"v":3}
  • {"r":4,"c":3,"v":5}
  • {"r":4,"c":4,"v":6}
  • {"r":3,"c":1,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [54] → [_, _] → [21, _, _] → [_, 9, _, 3] → [_, 6, 3, _, 2]

Show answer

Answer: Row2[1]=34, Row3[3]=7, Row5[1]=6, Row4[3]=4, Row3[2]=13, Row4[1]=12, Row5[4]=1, Row2[2]=20

SubType
number-pyramid
Difficulty
hard
Levels
  • [54]
  • [34,20]
  • [21,13,7]
  • [12,9,4,3]
  • [6,6,3,1,2]
Base
  • 6
  • 6
  • 3
  • 1
  • 2
TopValue
54
HiddenCells
  • {"r":1,"c":0,"v":34}
  • {"r":2,"c":2,"v":7}
  • {"r":4,"c":0,"v":6}
  • {"r":3,"c":2,"v":4}
  • {"r":2,"c":1,"v":13}
  • {"r":3,"c":0,"v":12}
  • {"r":4,"c":3,"v":1}
  • {"r":1,"c":1,"v":20}