hard Set 30 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [104] → [_, _] → [_, _, _] → [_, 13, _, 8] → [3, 3, 10, 7, _]

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Answer: Row4[1]=6, Row5[5]=1, Row4[3]=17, Row3[1]=19, Row2[2]=55, Row3[2]=30, Row2[1]=49, Row3[3]=25

SubType
number-pyramid
Difficulty
hard
Levels
  • [104]
  • [49,55]
  • [19,30,25]
  • [6,13,17,8]
  • [3,3,10,7,1]
Base
  • 3
  • 3
  • 10
  • 7
  • 1
TopValue
104
HiddenCells
  • {"r":3,"c":0,"v":6}
  • {"r":4,"c":4,"v":1}
  • {"r":3,"c":2,"v":17}
  • {"r":2,"c":0,"v":19}
  • {"r":1,"c":1,"v":55}
  • {"r":2,"c":1,"v":30}
  • {"r":1,"c":0,"v":49}
  • {"r":2,"c":2,"v":25}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [65] → [_, _] → [12, _, 21] → [7, _, _, _] → [_, 2, 3, _, 2]

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Answer: Row5[1]=5, Row4[2]=5, Row2[1]=28, Row3[2]=16, Row4[3]=11, Row4[4]=10, Row5[4]=8, Row2[2]=37

SubType
number-pyramid
Difficulty
hard
Levels
  • [65]
  • [28,37]
  • [12,16,21]
  • [7,5,11,10]
  • [5,2,3,8,2]
Base
  • 5
  • 2
  • 3
  • 8
  • 2
TopValue
65
HiddenCells
  • {"r":4,"c":0,"v":5}
  • {"r":3,"c":1,"v":5}
  • {"r":1,"c":0,"v":28}
  • {"r":2,"c":1,"v":16}
  • {"r":3,"c":2,"v":11}
  • {"r":3,"c":3,"v":10}
  • {"r":4,"c":3,"v":8}
  • {"r":1,"c":1,"v":37}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 50] → [_, _, 29] → [14, 9, 12, _] → [8, _, _, _, 8]

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Answer: Row5[4]=9, Row2[1]=44, Row3[1]=23, Row5[3]=3, Row3[2]=21, Row4[4]=17, Row5[2]=6, Row1[1]=94

SubType
number-pyramid
Difficulty
hard
Levels
  • [94]
  • [44,50]
  • [23,21,29]
  • [14,9,12,17]
  • [8,6,3,9,8]
Base
  • 8
  • 6
  • 3
  • 9
  • 8
TopValue
94
HiddenCells
  • {"r":4,"c":3,"v":9}
  • {"r":1,"c":0,"v":44}
  • {"r":2,"c":0,"v":23}
  • {"r":4,"c":2,"v":3}
  • {"r":2,"c":1,"v":21}
  • {"r":3,"c":3,"v":17}
  • {"r":4,"c":1,"v":6}
  • {"r":0,"c":0,"v":94}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 51] → [22, _, _] → [8, 14, _, 13] → [_, 6, _, 4, _]

Show answer

Answer: Row2[1]=48, Row1[1]=99, Row5[5]=9, Row5[3]=8, Row3[3]=25, Row4[3]=12, Row3[2]=26, Row5[1]=2

SubType
number-pyramid
Difficulty
hard
Levels
  • [99]
  • [48,51]
  • [22,26,25]
  • [8,14,12,13]
  • [2,6,8,4,9]
Base
  • 2
  • 6
  • 8
  • 4
  • 9
TopValue
99
HiddenCells
  • {"r":1,"c":0,"v":48}
  • {"r":0,"c":0,"v":99}
  • {"r":4,"c":4,"v":9}
  • {"r":4,"c":2,"v":8}
  • {"r":2,"c":2,"v":25}
  • {"r":3,"c":2,"v":12}
  • {"r":2,"c":1,"v":26}
  • {"r":4,"c":0,"v":2}