hard Set 29 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [72] → [_, 25] → [31, _, _] → [_, _, 4, 5] → [10, _, _, _, 4]

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Answer: Row3[2]=16, Row2[1]=47, Row4[2]=12, Row5[2]=9, Row3[3]=9, Row4[1]=19, Row5[3]=3, Row5[4]=1

SubType
number-pyramid
Difficulty
hard
Levels
  • [72]
  • [47,25]
  • [31,16,9]
  • [19,12,4,5]
  • [10,9,3,1,4]
Base
  • 10
  • 9
  • 3
  • 1
  • 4
TopValue
72
HiddenCells
  • {"r":2,"c":1,"v":16}
  • {"r":1,"c":0,"v":47}
  • {"r":3,"c":1,"v":12}
  • {"r":4,"c":1,"v":9}
  • {"r":2,"c":2,"v":9}
  • {"r":3,"c":0,"v":19}
  • {"r":4,"c":2,"v":3}
  • {"r":4,"c":3,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [55, 55] → [25, 30, _] → [_, _, 15, _] → [1, _, 6, _, _]

Show answer

Answer: Row5[4]=9, Row5[5]=1, Row4[2]=15, Row5[2]=9, Row4[4]=10, Row3[3]=25, Row1[1]=110, Row4[1]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [110]
  • [55,55]
  • [25,30,25]
  • [10,15,15,10]
  • [1,9,6,9,1]
Base
  • 1
  • 9
  • 6
  • 9
  • 1
TopValue
110
HiddenCells
  • {"r":4,"c":3,"v":9}
  • {"r":4,"c":4,"v":1}
  • {"r":3,"c":1,"v":15}
  • {"r":4,"c":1,"v":9}
  • {"r":3,"c":3,"v":10}
  • {"r":2,"c":2,"v":25}
  • {"r":0,"c":0,"v":110}
  • {"r":3,"c":0,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [36, 24] → [23, 13, 11] → [15, _, _, _] → [_, 6, _, _, _]

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Answer: Row4[3]=5, Row4[4]=6, Row5[3]=2, Row1[1]=60, Row5[1]=9, Row5[5]=3, Row5[4]=3, Row4[2]=8

SubType
number-pyramid
Difficulty
hard
Levels
  • [60]
  • [36,24]
  • [23,13,11]
  • [15,8,5,6]
  • [9,6,2,3,3]
Base
  • 9
  • 6
  • 2
  • 3
  • 3
TopValue
60
HiddenCells
  • {"r":3,"c":2,"v":5}
  • {"r":3,"c":3,"v":6}
  • {"r":4,"c":2,"v":2}
  • {"r":0,"c":0,"v":60}
  • {"r":4,"c":0,"v":9}
  • {"r":4,"c":4,"v":3}
  • {"r":4,"c":3,"v":3}
  • {"r":3,"c":1,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [59, 59] → [30, _, _] → [14, _, 13, _] → [4, _, _, 7, _]

Show answer

Answer: Row1[1]=118, Row5[2]=10, Row3[2]=29, Row4[4]=17, Row5[3]=6, Row4[2]=16, Row5[5]=10, Row3[3]=30

SubType
number-pyramid
Difficulty
hard
Levels
  • [118]
  • [59,59]
  • [30,29,30]
  • [14,16,13,17]
  • [4,10,6,7,10]
Base
  • 4
  • 10
  • 6
  • 7
  • 10
TopValue
118
HiddenCells
  • {"r":0,"c":0,"v":118}
  • {"r":4,"c":1,"v":10}
  • {"r":2,"c":1,"v":29}
  • {"r":3,"c":3,"v":17}
  • {"r":4,"c":2,"v":6}
  • {"r":3,"c":1,"v":16}
  • {"r":4,"c":4,"v":10}
  • {"r":2,"c":2,"v":30}