hard Set 91 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [33, _, 15] → [17, _, 9, 6] → [_, 8, 8, _, _]

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Answer: Row2[1]=58, Row4[2]=16, Row2[2]=40, Row3[2]=25, Row5[5]=5, Row1[1]=98, Row5[4]=1, Row5[1]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [98]
  • [58,40]
  • [33,25,15]
  • [17,16,9,6]
  • [9,8,8,1,5]
Base
  • 9
  • 8
  • 8
  • 1
  • 5
TopValue
98
HiddenCells
  • {"r":1,"c":0,"v":58}
  • {"r":3,"c":1,"v":16}
  • {"r":1,"c":1,"v":40}
  • {"r":2,"c":1,"v":25}
  • {"r":4,"c":4,"v":5}
  • {"r":0,"c":0,"v":98}
  • {"r":4,"c":3,"v":1}
  • {"r":4,"c":0,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [71] → [27, _] → [_, _, _] → [_, 4, 11, 18] → [_, _, 1, 10, _]

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Answer: Row3[1]=12, Row3[3]=29, Row3[2]=15, Row5[1]=5, Row4[1]=8, Row2[2]=44, Row5[5]=8, Row5[2]=3

SubType
number-pyramid
Difficulty
hard
Levels
  • [71]
  • [27,44]
  • [12,15,29]
  • [8,4,11,18]
  • [5,3,1,10,8]
Base
  • 5
  • 3
  • 1
  • 10
  • 8
TopValue
71
HiddenCells
  • {"r":2,"c":0,"v":12}
  • {"r":2,"c":2,"v":29}
  • {"r":2,"c":1,"v":15}
  • {"r":4,"c":0,"v":5}
  • {"r":3,"c":0,"v":8}
  • {"r":1,"c":1,"v":44}
  • {"r":4,"c":4,"v":8}
  • {"r":4,"c":1,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [92] → [44, 48] → [_, _, _] → [10, _, _, 13] → [7, 3, _, _, _]

Show answer

Answer: Row4[3]=12, Row4[2]=11, Row3[3]=25, Row5[5]=9, Row3[1]=21, Row3[2]=23, Row5[3]=8, Row5[4]=4

SubType
number-pyramid
Difficulty
hard
Levels
  • [92]
  • [44,48]
  • [21,23,25]
  • [10,11,12,13]
  • [7,3,8,4,9]
Base
  • 7
  • 3
  • 8
  • 4
  • 9
TopValue
92
HiddenCells
  • {"r":3,"c":2,"v":12}
  • {"r":3,"c":1,"v":11}
  • {"r":2,"c":2,"v":25}
  • {"r":4,"c":4,"v":9}
  • {"r":2,"c":0,"v":21}
  • {"r":2,"c":1,"v":23}
  • {"r":4,"c":2,"v":8}
  • {"r":4,"c":3,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [60, 56] → [_, _, 26] → [_, 16, _, 12] → [_, 6, _, _, 8]

Show answer

Answer: Row3[2]=30, Row4[3]=14, Row5[4]=4, Row5[3]=10, Row4[1]=14, Row1[1]=116, Row5[1]=8, Row3[1]=30

SubType
number-pyramid
Difficulty
hard
Levels
  • [116]
  • [60,56]
  • [30,30,26]
  • [14,16,14,12]
  • [8,6,10,4,8]
Base
  • 8
  • 6
  • 10
  • 4
  • 8
TopValue
116
HiddenCells
  • {"r":2,"c":1,"v":30}
  • {"r":3,"c":2,"v":14}
  • {"r":4,"c":3,"v":4}
  • {"r":4,"c":2,"v":10}
  • {"r":3,"c":0,"v":14}
  • {"r":0,"c":0,"v":116}
  • {"r":4,"c":0,"v":8}
  • {"r":2,"c":0,"v":30}