hard Set 31 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [61] → [32, 29] → [_, _, 14] → [9, 8, _, _] → [_, 3, _, _, _]

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Answer: Row4[3]=7, Row3[2]=15, Row5[3]=5, Row5[5]=5, Row5[1]=6, Row5[4]=2, Row4[4]=7, Row3[1]=17

SubType
number-pyramid
Difficulty
hard
Levels
  • [61]
  • [32,29]
  • [17,15,14]
  • [9,8,7,7]
  • [6,3,5,2,5]
Base
  • 6
  • 3
  • 5
  • 2
  • 5
TopValue
61
HiddenCells
  • {"r":3,"c":2,"v":7}
  • {"r":2,"c":1,"v":15}
  • {"r":4,"c":2,"v":5}
  • {"r":4,"c":4,"v":5}
  • {"r":4,"c":0,"v":6}
  • {"r":4,"c":3,"v":2}
  • {"r":3,"c":3,"v":7}
  • {"r":2,"c":0,"v":17}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 44] → [_, 26, _] → [_, 15, _, 7] → [7, 7, 8, _, _]

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Answer: Row2[1]=55, Row5[4]=3, Row3[3]=18, Row4[3]=11, Row5[5]=4, Row4[1]=14, Row3[1]=29, Row1[1]=99

SubType
number-pyramid
Difficulty
hard
Levels
  • [99]
  • [55,44]
  • [29,26,18]
  • [14,15,11,7]
  • [7,7,8,3,4]
Base
  • 7
  • 7
  • 8
  • 3
  • 4
TopValue
99
HiddenCells
  • {"r":1,"c":0,"v":55}
  • {"r":4,"c":3,"v":3}
  • {"r":2,"c":2,"v":18}
  • {"r":3,"c":2,"v":11}
  • {"r":4,"c":4,"v":4}
  • {"r":3,"c":0,"v":14}
  • {"r":2,"c":0,"v":29}
  • {"r":0,"c":0,"v":99}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [36, 44] → [_, _, _] → [_, 8, 12, _] → [5, 3, 5, _, _]

Show answer

Answer: Row5[4]=7, Row3[3]=24, Row5[5]=5, Row3[1]=16, Row1[1]=80, Row4[1]=8, Row3[2]=20, Row4[4]=12

SubType
number-pyramid
Difficulty
hard
Levels
  • [80]
  • [36,44]
  • [16,20,24]
  • [8,8,12,12]
  • [5,3,5,7,5]
Base
  • 5
  • 3
  • 5
  • 7
  • 5
TopValue
80
HiddenCells
  • {"r":4,"c":3,"v":7}
  • {"r":2,"c":2,"v":24}
  • {"r":4,"c":4,"v":5}
  • {"r":2,"c":0,"v":16}
  • {"r":0,"c":0,"v":80}
  • {"r":3,"c":0,"v":8}
  • {"r":2,"c":1,"v":20}
  • {"r":3,"c":3,"v":12}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [_, 19, _] → [15, 11, 8, _] → [_, 7, _, 4, 1]

Show answer

Answer: Row2[1]=45, Row4[4]=5, Row3[3]=13, Row5[3]=4, Row3[1]=26, Row5[1]=8, Row1[1]=77, Row2[2]=32

SubType
number-pyramid
Difficulty
hard
Levels
  • [77]
  • [45,32]
  • [26,19,13]
  • [15,11,8,5]
  • [8,7,4,4,1]
Base
  • 8
  • 7
  • 4
  • 4
  • 1
TopValue
77
HiddenCells
  • {"r":1,"c":0,"v":45}
  • {"r":3,"c":3,"v":5}
  • {"r":2,"c":2,"v":13}
  • {"r":4,"c":2,"v":4}
  • {"r":2,"c":0,"v":26}
  • {"r":4,"c":0,"v":8}
  • {"r":0,"c":0,"v":77}
  • {"r":1,"c":1,"v":32}