hard Set 79 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [117] → [_, _] → [_, _, 27] → [_, _, _, 12] → [1, _, 9, 6, 6]

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Answer: Row3[1]=26, Row4[2]=17, Row3[2]=32, Row2[2]=59, Row4[1]=9, Row5[2]=8, Row2[1]=58, Row4[3]=15

SubType
number-pyramid
Difficulty
hard
Levels
  • [117]
  • [58,59]
  • [26,32,27]
  • [9,17,15,12]
  • [1,8,9,6,6]
Base
  • 1
  • 8
  • 9
  • 6
  • 6
TopValue
117
HiddenCells
  • {"r":2,"c":0,"v":26}
  • {"r":3,"c":1,"v":17}
  • {"r":2,"c":1,"v":32}
  • {"r":1,"c":1,"v":59}
  • {"r":3,"c":0,"v":9}
  • {"r":4,"c":1,"v":8}
  • {"r":1,"c":0,"v":58}
  • {"r":3,"c":2,"v":15}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [50, 37] → [_, 21, _] → [17, _, _, 7] → [_, _, _, 6, 1]

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Answer: Row4[2]=12, Row3[3]=16, Row5[2]=9, Row1[1]=87, Row3[1]=29, Row4[3]=9, Row5[3]=3, Row5[1]=8

SubType
number-pyramid
Difficulty
hard
Levels
  • [87]
  • [50,37]
  • [29,21,16]
  • [17,12,9,7]
  • [8,9,3,6,1]
Base
  • 8
  • 9
  • 3
  • 6
  • 1
TopValue
87
HiddenCells
  • {"r":3,"c":1,"v":12}
  • {"r":2,"c":2,"v":16}
  • {"r":4,"c":1,"v":9}
  • {"r":0,"c":0,"v":87}
  • {"r":2,"c":0,"v":29}
  • {"r":3,"c":2,"v":9}
  • {"r":4,"c":2,"v":3}
  • {"r":4,"c":0,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [29, _] → [15, 14, _] → [_, _, _, 5] → [6, _, 5, _, 3]

Show answer

Answer: Row4[2]=7, Row1[1]=55, Row5[2]=2, Row4[1]=8, Row3[3]=12, Row2[2]=26, Row5[4]=2, Row4[3]=7

SubType
number-pyramid
Difficulty
hard
Levels
  • [55]
  • [29,26]
  • [15,14,12]
  • [8,7,7,5]
  • [6,2,5,2,3]
Base
  • 6
  • 2
  • 5
  • 2
  • 3
TopValue
55
HiddenCells
  • {"r":3,"c":1,"v":7}
  • {"r":0,"c":0,"v":55}
  • {"r":4,"c":1,"v":2}
  • {"r":3,"c":0,"v":8}
  • {"r":2,"c":2,"v":12}
  • {"r":1,"c":1,"v":26}
  • {"r":4,"c":3,"v":2}
  • {"r":3,"c":2,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [89] → [_, 45] → [20, _, _] → [_, 11, _, _] → [_, _, 10, 3, 5]

Show answer

Answer: Row3[2]=24, Row5[1]=8, Row4[3]=13, Row5[2]=1, Row3[3]=21, Row4[1]=9, Row2[1]=44, Row4[4]=8

SubType
number-pyramid
Difficulty
hard
Levels
  • [89]
  • [44,45]
  • [20,24,21]
  • [9,11,13,8]
  • [8,1,10,3,5]
Base
  • 8
  • 1
  • 10
  • 3
  • 5
TopValue
89
HiddenCells
  • {"r":2,"c":1,"v":24}
  • {"r":4,"c":0,"v":8}
  • {"r":3,"c":2,"v":13}
  • {"r":4,"c":1,"v":1}
  • {"r":2,"c":2,"v":21}
  • {"r":3,"c":0,"v":9}
  • {"r":1,"c":0,"v":44}
  • {"r":3,"c":3,"v":8}