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): [129] → [_, 64] → [32, 33, _] → [_, _, _, _] → [_, 8, 9, 7, _]

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Answer: Row4[4]=15, Row4[3]=16, Row2[1]=65, Row4[1]=15, Row4[2]=17, Row3[3]=31, Row5[5]=8, Row5[1]=7

SubType
number-pyramid
Difficulty
hard
Levels
  • [129]
  • [65,64]
  • [32,33,31]
  • [15,17,16,15]
  • [7,8,9,7,8]
Base
  • 7
  • 8
  • 9
  • 7
  • 8
TopValue
129
HiddenCells
  • {"r":3,"c":3,"v":15}
  • {"r":3,"c":2,"v":16}
  • {"r":1,"c":0,"v":65}
  • {"r":3,"c":0,"v":15}
  • {"r":3,"c":1,"v":17}
  • {"r":2,"c":2,"v":31}
  • {"r":4,"c":4,"v":8}
  • {"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): [104] → [_, 53] → [25, _, _] → [_, _, _, 14] → [5, _, 6, _, 7]

Show answer

Answer: Row5[2]=7, Row3[3]=27, Row4[2]=13, Row3[2]=26, Row4[1]=12, Row4[3]=13, Row2[1]=51, Row5[4]=7

SubType
number-pyramid
Difficulty
hard
Levels
  • [104]
  • [51,53]
  • [25,26,27]
  • [12,13,13,14]
  • [5,7,6,7,7]
Base
  • 5
  • 7
  • 6
  • 7
  • 7
TopValue
104
HiddenCells
  • {"r":4,"c":1,"v":7}
  • {"r":2,"c":2,"v":27}
  • {"r":3,"c":1,"v":13}
  • {"r":2,"c":1,"v":26}
  • {"r":3,"c":0,"v":12}
  • {"r":3,"c":2,"v":13}
  • {"r":1,"c":0,"v":51}
  • {"r":4,"c":3,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [63, 63] → [_, 34, _] → [13, 16, _, _] → [7, _, _, 8, _]

Show answer

Answer: Row4[3]=18, Row5[3]=10, Row1[1]=126, Row5[2]=6, Row4[4]=11, Row3[3]=29, Row3[1]=29, Row5[5]=3

SubType
number-pyramid
Difficulty
hard
Levels
  • [126]
  • [63,63]
  • [29,34,29]
  • [13,16,18,11]
  • [7,6,10,8,3]
Base
  • 7
  • 6
  • 10
  • 8
  • 3
TopValue
126
HiddenCells
  • {"r":3,"c":2,"v":18}
  • {"r":4,"c":2,"v":10}
  • {"r":0,"c":0,"v":126}
  • {"r":4,"c":1,"v":6}
  • {"r":3,"c":3,"v":11}
  • {"r":2,"c":2,"v":29}
  • {"r":2,"c":0,"v":29}
  • {"r":4,"c":4,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [55, _] → [_, 25, _] → [15, 15, _, _] → [6, _, 6, _, 8]

Show answer

Answer: Row4[4]=12, Row4[3]=10, Row3[3]=22, Row3[1]=30, Row1[1]=102, Row5[4]=4, Row5[2]=9, Row2[2]=47

SubType
number-pyramid
Difficulty
hard
Levels
  • [102]
  • [55,47]
  • [30,25,22]
  • [15,15,10,12]
  • [6,9,6,4,8]
Base
  • 6
  • 9
  • 6
  • 4
  • 8
TopValue
102
HiddenCells
  • {"r":3,"c":3,"v":12}
  • {"r":3,"c":2,"v":10}
  • {"r":2,"c":2,"v":22}
  • {"r":2,"c":0,"v":30}
  • {"r":0,"c":0,"v":102}
  • {"r":4,"c":3,"v":4}
  • {"r":4,"c":1,"v":9}
  • {"r":1,"c":1,"v":47}