hard Set 21 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [125] → [_, 65] → [27, _, _] → [_, 17, 16, _] → [1, _, 8, _, _]

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Answer: Row4[1]=10, Row4[4]=16, Row2[1]=60, Row3[2]=33, Row5[2]=9, Row5[4]=8, Row5[5]=8, Row3[3]=32

SubType
number-pyramid
Difficulty
hard
Levels
  • [125]
  • [60,65]
  • [27,33,32]
  • [10,17,16,16]
  • [1,9,8,8,8]
Base
  • 1
  • 9
  • 8
  • 8
  • 8
TopValue
125
HiddenCells
  • {"r":3,"c":0,"v":10}
  • {"r":3,"c":3,"v":16}
  • {"r":1,"c":0,"v":60}
  • {"r":2,"c":1,"v":33}
  • {"r":4,"c":1,"v":9}
  • {"r":4,"c":3,"v":8}
  • {"r":4,"c":4,"v":8}
  • {"r":2,"c":2,"v":32}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [32, 33, 23] → [_, 19, _, 9] → [_, _, _, 5, 4]

Show answer

Answer: Row4[3]=14, Row1[1]=121, Row5[3]=9, Row5[2]=10, Row2[1]=65, Row4[1]=13, Row2[2]=56, Row5[1]=3

SubType
number-pyramid
Difficulty
hard
Levels
  • [121]
  • [65,56]
  • [32,33,23]
  • [13,19,14,9]
  • [3,10,9,5,4]
Base
  • 3
  • 10
  • 9
  • 5
  • 4
TopValue
121
HiddenCells
  • {"r":3,"c":2,"v":14}
  • {"r":0,"c":0,"v":121}
  • {"r":4,"c":2,"v":9}
  • {"r":4,"c":1,"v":10}
  • {"r":1,"c":0,"v":65}
  • {"r":3,"c":0,"v":13}
  • {"r":1,"c":1,"v":56}
  • {"r":4,"c":0,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [95] → [_, 51] → [_, _, _] → [_, 13, _, 12] → [1, 4, 9, _, _]

Show answer

Answer: Row4[3]=13, Row5[5]=8, Row2[1]=44, Row3[1]=18, Row3[3]=25, Row5[4]=4, Row4[1]=5, Row3[2]=26

SubType
number-pyramid
Difficulty
hard
Levels
  • [95]
  • [44,51]
  • [18,26,25]
  • [5,13,13,12]
  • [1,4,9,4,8]
Base
  • 1
  • 4
  • 9
  • 4
  • 8
TopValue
95
HiddenCells
  • {"r":3,"c":2,"v":13}
  • {"r":4,"c":4,"v":8}
  • {"r":1,"c":0,"v":44}
  • {"r":2,"c":0,"v":18}
  • {"r":2,"c":2,"v":25}
  • {"r":4,"c":3,"v":4}
  • {"r":3,"c":0,"v":5}
  • {"r":2,"c":1,"v":26}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 52] → [16, _, 29] → [_, 10, _, 16] → [3, _, _, _, 10]

Show answer

Answer: Row4[1]=6, Row5[2]=3, Row5[4]=6, Row2[1]=39, Row4[3]=13, Row5[3]=7, Row3[2]=23, Row1[1]=91

SubType
number-pyramid
Difficulty
hard
Levels
  • [91]
  • [39,52]
  • [16,23,29]
  • [6,10,13,16]
  • [3,3,7,6,10]
Base
  • 3
  • 3
  • 7
  • 6
  • 10
TopValue
91
HiddenCells
  • {"r":3,"c":0,"v":6}
  • {"r":4,"c":1,"v":3}
  • {"r":4,"c":3,"v":6}
  • {"r":1,"c":0,"v":39}
  • {"r":3,"c":2,"v":13}
  • {"r":4,"c":2,"v":7}
  • {"r":2,"c":1,"v":23}
  • {"r":0,"c":0,"v":91}