hard 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): [126] → [_, 65] → [_, _, _] → [_, 14, _, 15] → [10, _, 9, _, 6]

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Answer: Row3[1]=29, Row2[1]=61, Row3[3]=33, Row4[1]=15, Row5[4]=9, Row5[2]=5, Row4[3]=18, Row3[2]=32

SubType
number-pyramid
Difficulty
hard
Levels
  • [126]
  • [61,65]
  • [29,32,33]
  • [15,14,18,15]
  • [10,5,9,9,6]
Base
  • 10
  • 5
  • 9
  • 9
  • 6
TopValue
126
HiddenCells
  • {"r":2,"c":0,"v":29}
  • {"r":1,"c":0,"v":61}
  • {"r":2,"c":2,"v":33}
  • {"r":3,"c":0,"v":15}
  • {"r":4,"c":3,"v":9}
  • {"r":4,"c":1,"v":5}
  • {"r":3,"c":2,"v":18}
  • {"r":2,"c":1,"v":32}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 35] → [_, 19, 16] → [9, 10, _, _] → [_, _, 4, 5, _]

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Answer: Row5[1]=3, Row1[1]=73, Row5[2]=6, Row5[5]=2, Row4[3]=9, Row4[4]=7, Row3[1]=19, Row2[1]=38

SubType
number-pyramid
Difficulty
hard
Levels
  • [73]
  • [38,35]
  • [19,19,16]
  • [9,10,9,7]
  • [3,6,4,5,2]
Base
  • 3
  • 6
  • 4
  • 5
  • 2
TopValue
73
HiddenCells
  • {"r":4,"c":0,"v":3}
  • {"r":0,"c":0,"v":73}
  • {"r":4,"c":1,"v":6}
  • {"r":4,"c":4,"v":2}
  • {"r":3,"c":2,"v":9}
  • {"r":3,"c":3,"v":7}
  • {"r":2,"c":0,"v":19}
  • {"r":1,"c":0,"v":38}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [65] → [_, 27] → [_, 17, _] → [10, _, _, _] → [_, _, 4, 2, 2]

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Answer: Row2[1]=38, Row5[2]=7, Row4[3]=6, Row4[2]=11, Row3[3]=10, Row3[1]=21, Row5[1]=3, Row4[4]=4

SubType
number-pyramid
Difficulty
hard
Levels
  • [65]
  • [38,27]
  • [21,17,10]
  • [10,11,6,4]
  • [3,7,4,2,2]
Base
  • 3
  • 7
  • 4
  • 2
  • 2
TopValue
65
HiddenCells
  • {"r":1,"c":0,"v":38}
  • {"r":4,"c":1,"v":7}
  • {"r":3,"c":2,"v":6}
  • {"r":3,"c":1,"v":11}
  • {"r":2,"c":2,"v":10}
  • {"r":2,"c":0,"v":21}
  • {"r":4,"c":0,"v":3}
  • {"r":3,"c":3,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [96] → [57, _] → [32, _, _] → [_, _, 8, 6] → [5, _, _, _, 5]

Show answer

Answer: Row4[2]=17, Row5[4]=1, Row5[3]=7, Row2[2]=39, Row3[3]=14, Row3[2]=25, Row5[2]=10, Row4[1]=15

SubType
number-pyramid
Difficulty
hard
Levels
  • [96]
  • [57,39]
  • [32,25,14]
  • [15,17,8,6]
  • [5,10,7,1,5]
Base
  • 5
  • 10
  • 7
  • 1
  • 5
TopValue
96
HiddenCells
  • {"r":3,"c":1,"v":17}
  • {"r":4,"c":3,"v":1}
  • {"r":4,"c":2,"v":7}
  • {"r":1,"c":1,"v":39}
  • {"r":2,"c":2,"v":14}
  • {"r":2,"c":1,"v":25}
  • {"r":4,"c":1,"v":10}
  • {"r":3,"c":0,"v":15}