hard Set 50 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [125] → [62, _] → [27, 35, _] → [_, 17, 18, _] → [_, 8, _, _, _]

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Answer: Row5[4]=9, Row5[1]=2, Row4[1]=10, Row2[2]=63, Row4[4]=10, Row5[3]=9, Row3[3]=28, Row5[5]=1

SubType
number-pyramid
Difficulty
hard
Levels
  • [125]
  • [62,63]
  • [27,35,28]
  • [10,17,18,10]
  • [2,8,9,9,1]
Base
  • 2
  • 8
  • 9
  • 9
  • 1
TopValue
125
HiddenCells
  • {"r":4,"c":3,"v":9}
  • {"r":4,"c":0,"v":2}
  • {"r":3,"c":0,"v":10}
  • {"r":1,"c":1,"v":63}
  • {"r":3,"c":3,"v":10}
  • {"r":4,"c":2,"v":9}
  • {"r":2,"c":2,"v":28}
  • {"r":4,"c":4,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [78] → [37, _] → [19, _, 23] → [_, 8, _, _] → [_, _, 3, 7, _]

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Answer: Row5[2]=5, Row4[4]=13, Row5[5]=6, Row4[3]=10, Row3[2]=18, Row4[1]=11, Row5[1]=6, Row2[2]=41

SubType
number-pyramid
Difficulty
hard
Levels
  • [78]
  • [37,41]
  • [19,18,23]
  • [11,8,10,13]
  • [6,5,3,7,6]
Base
  • 6
  • 5
  • 3
  • 7
  • 6
TopValue
78
HiddenCells
  • {"r":4,"c":1,"v":5}
  • {"r":3,"c":3,"v":13}
  • {"r":4,"c":4,"v":6}
  • {"r":3,"c":2,"v":10}
  • {"r":2,"c":1,"v":18}
  • {"r":3,"c":0,"v":11}
  • {"r":4,"c":0,"v":6}
  • {"r":1,"c":1,"v":41}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [74] → [34, 40] → [19, 15, _] → [13, _, 9, _] → [_, _, _, _, _]

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Answer: Row5[5]=8, Row4[4]=16, Row4[2]=6, Row5[2]=5, Row5[1]=8, Row5[3]=1, Row5[4]=8, Row3[3]=25

SubType
number-pyramid
Difficulty
hard
Levels
  • [74]
  • [34,40]
  • [19,15,25]
  • [13,6,9,16]
  • [8,5,1,8,8]
Base
  • 8
  • 5
  • 1
  • 8
  • 8
TopValue
74
HiddenCells
  • {"r":4,"c":4,"v":8}
  • {"r":3,"c":3,"v":16}
  • {"r":3,"c":1,"v":6}
  • {"r":4,"c":1,"v":5}
  • {"r":4,"c":0,"v":8}
  • {"r":4,"c":2,"v":1}
  • {"r":4,"c":3,"v":8}
  • {"r":2,"c":2,"v":25}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [48, _] → [_, 22, 17] → [_, 13, _, 8] → [_, 8, _, 4, _]

Show answer

Answer: Row1[1]=87, Row4[1]=13, Row4[3]=9, Row5[5]=4, Row3[1]=26, Row2[2]=39, Row5[3]=5, Row5[1]=5

SubType
number-pyramid
Difficulty
hard
Levels
  • [87]
  • [48,39]
  • [26,22,17]
  • [13,13,9,8]
  • [5,8,5,4,4]
Base
  • 5
  • 8
  • 5
  • 4
  • 4
TopValue
87
HiddenCells
  • {"r":0,"c":0,"v":87}
  • {"r":3,"c":0,"v":13}
  • {"r":3,"c":2,"v":9}
  • {"r":4,"c":4,"v":4}
  • {"r":2,"c":0,"v":26}
  • {"r":1,"c":1,"v":39}
  • {"r":4,"c":2,"v":5}
  • {"r":4,"c":0,"v":5}