hard Set 52 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [17, 13, _] → [10, _, 6, _] → [8, 2, _, _, 4]

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Answer: Row4[2]=7, Row3[3]=11, Row1[1]=54, Row4[4]=5, Row5[3]=5, Row2[2]=24, Row2[1]=30, Row5[4]=1

SubType
number-pyramid
Difficulty
hard
Levels
  • [54]
  • [30,24]
  • [17,13,11]
  • [10,7,6,5]
  • [8,2,5,1,4]
Base
  • 8
  • 2
  • 5
  • 1
  • 4
TopValue
54
HiddenCells
  • {"r":3,"c":1,"v":7}
  • {"r":2,"c":2,"v":11}
  • {"r":0,"c":0,"v":54}
  • {"r":3,"c":3,"v":5}
  • {"r":4,"c":2,"v":5}
  • {"r":1,"c":1,"v":24}
  • {"r":1,"c":0,"v":30}
  • {"r":4,"c":3,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [28, 20, _] → [17, _, _, _] → [8, 9, _, 7, 3]

Show answer

Answer: Row1[1]=87, Row2[1]=48, Row3[3]=19, Row5[3]=2, Row4[2]=11, Row4[3]=9, Row2[2]=39, Row4[4]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [87]
  • [48,39]
  • [28,20,19]
  • [17,11,9,10]
  • [8,9,2,7,3]
Base
  • 8
  • 9
  • 2
  • 7
  • 3
TopValue
87
HiddenCells
  • {"r":0,"c":0,"v":87}
  • {"r":1,"c":0,"v":48}
  • {"r":2,"c":2,"v":19}
  • {"r":4,"c":2,"v":2}
  • {"r":3,"c":1,"v":11}
  • {"r":3,"c":2,"v":9}
  • {"r":1,"c":1,"v":39}
  • {"r":3,"c":3,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [82] → [_, _] → [24, 18, 22] → [_, _, _, _] → [_, 8, _, 8, 5]

Show answer

Answer: Row4[3]=9, Row4[4]=13, Row4[1]=15, Row2[1]=42, Row2[2]=40, Row5[3]=1, Row4[2]=9, Row5[1]=7

SubType
number-pyramid
Difficulty
hard
Levels
  • [82]
  • [42,40]
  • [24,18,22]
  • [15,9,9,13]
  • [7,8,1,8,5]
Base
  • 7
  • 8
  • 1
  • 8
  • 5
TopValue
82
HiddenCells
  • {"r":3,"c":2,"v":9}
  • {"r":3,"c":3,"v":13}
  • {"r":3,"c":0,"v":15}
  • {"r":1,"c":0,"v":42}
  • {"r":1,"c":1,"v":40}
  • {"r":4,"c":2,"v":1}
  • {"r":3,"c":1,"v":9}
  • {"r":4,"c":0,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [81] → [37, 44] → [_, _, _] → [12, 7, 11, _] → [_, _, _, _, 5]

Show answer

Answer: Row4[4]=15, Row3[2]=18, Row3[3]=26, Row5[3]=1, Row3[1]=19, Row5[1]=6, Row5[4]=10, Row5[2]=6

SubType
number-pyramid
Difficulty
hard
Levels
  • [81]
  • [37,44]
  • [19,18,26]
  • [12,7,11,15]
  • [6,6,1,10,5]
Base
  • 6
  • 6
  • 1
  • 10
  • 5
TopValue
81
HiddenCells
  • {"r":3,"c":3,"v":15}
  • {"r":2,"c":1,"v":18}
  • {"r":2,"c":2,"v":26}
  • {"r":4,"c":2,"v":1}
  • {"r":2,"c":0,"v":19}
  • {"r":4,"c":0,"v":6}
  • {"r":4,"c":3,"v":10}
  • {"r":4,"c":1,"v":6}