hard Set 51 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [105] → [54, _] → [29, 25, _] → [_, 13, _, _] → [_, _, 3, _, 5]

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Answer: Row5[2]=10, Row4[4]=14, Row2[2]=51, Row3[3]=26, Row4[3]=12, Row4[1]=16, Row5[4]=9, Row5[1]=6

SubType
number-pyramid
Difficulty
hard
Levels
  • [105]
  • [54,51]
  • [29,25,26]
  • [16,13,12,14]
  • [6,10,3,9,5]
Base
  • 6
  • 10
  • 3
  • 9
  • 5
TopValue
105
HiddenCells
  • {"r":4,"c":1,"v":10}
  • {"r":3,"c":3,"v":14}
  • {"r":1,"c":1,"v":51}
  • {"r":2,"c":2,"v":26}
  • {"r":3,"c":2,"v":12}
  • {"r":3,"c":0,"v":16}
  • {"r":4,"c":3,"v":9}
  • {"r":4,"c":0,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [62, _] → [_, 33, _] → [13, _, 17, 16] → [_, 6, _, _, 9]

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Answer: Row5[1]=7, Row5[4]=7, Row1[1]=128, Row5[3]=10, Row4[2]=16, Row2[2]=66, Row3[3]=33, Row3[1]=29

SubType
number-pyramid
Difficulty
hard
Levels
  • [128]
  • [62,66]
  • [29,33,33]
  • [13,16,17,16]
  • [7,6,10,7,9]
Base
  • 7
  • 6
  • 10
  • 7
  • 9
TopValue
128
HiddenCells
  • {"r":4,"c":0,"v":7}
  • {"r":4,"c":3,"v":7}
  • {"r":0,"c":0,"v":128}
  • {"r":4,"c":2,"v":10}
  • {"r":3,"c":1,"v":16}
  • {"r":1,"c":1,"v":66}
  • {"r":2,"c":2,"v":33}
  • {"r":2,"c":0,"v":29}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [79] → [_, _] → [_, _, _] → [10, _, 7, 12] → [3, _, 5, 2, _]

Show answer

Answer: Row2[2]=38, Row3[1]=22, Row4[2]=12, Row3[2]=19, Row5[5]=10, Row3[3]=19, Row2[1]=41, Row5[2]=7

SubType
number-pyramid
Difficulty
hard
Levels
  • [79]
  • [41,38]
  • [22,19,19]
  • [10,12,7,12]
  • [3,7,5,2,10]
Base
  • 3
  • 7
  • 5
  • 2
  • 10
TopValue
79
HiddenCells
  • {"r":1,"c":1,"v":38}
  • {"r":2,"c":0,"v":22}
  • {"r":3,"c":1,"v":12}
  • {"r":2,"c":1,"v":19}
  • {"r":4,"c":4,"v":10}
  • {"r":2,"c":2,"v":19}
  • {"r":1,"c":0,"v":41}
  • {"r":4,"c":1,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [94] → [_, _] → [_, _, _] → [_, 12, _, 11] → [_, 10, 2, 8, 3]

Show answer

Answer: Row4[1]=17, Row2[2]=43, Row3[1]=29, Row2[1]=51, Row3[2]=22, Row4[3]=10, Row5[1]=7, Row3[3]=21

SubType
number-pyramid
Difficulty
hard
Levels
  • [94]
  • [51,43]
  • [29,22,21]
  • [17,12,10,11]
  • [7,10,2,8,3]
Base
  • 7
  • 10
  • 2
  • 8
  • 3
TopValue
94
HiddenCells
  • {"r":3,"c":0,"v":17}
  • {"r":1,"c":1,"v":43}
  • {"r":2,"c":0,"v":29}
  • {"r":1,"c":0,"v":51}
  • {"r":2,"c":1,"v":22}
  • {"r":3,"c":2,"v":10}
  • {"r":4,"c":0,"v":7}
  • {"r":2,"c":2,"v":21}