hard Set 80 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [51] → [_, 25] → [_, 12, _] → [_, 7, _, 8] → [_, 4, _, _, 6]

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Answer: Row5[4]=2, Row5[3]=3, Row5[1]=3, Row2[1]=26, Row4[3]=5, Row3[1]=14, Row3[3]=13, Row4[1]=7

SubType
number-pyramid
Difficulty
hard
Levels
  • [51]
  • [26,25]
  • [14,12,13]
  • [7,7,5,8]
  • [3,4,3,2,6]
Base
  • 3
  • 4
  • 3
  • 2
  • 6
TopValue
51
HiddenCells
  • {"r":4,"c":3,"v":2}
  • {"r":4,"c":2,"v":3}
  • {"r":4,"c":0,"v":3}
  • {"r":1,"c":0,"v":26}
  • {"r":3,"c":2,"v":5}
  • {"r":2,"c":0,"v":14}
  • {"r":2,"c":2,"v":13}
  • {"r":3,"c":0,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [135] → [_, _] → [_, _, 34] → [_, 17, _, 15] → [5, 7, _, _, 6]

Show answer

Answer: Row3[2]=36, Row2[2]=70, Row5[4]=9, Row2[1]=65, Row5[3]=10, Row4[1]=12, Row4[3]=19, Row3[1]=29

SubType
number-pyramid
Difficulty
hard
Levels
  • [135]
  • [65,70]
  • [29,36,34]
  • [12,17,19,15]
  • [5,7,10,9,6]
Base
  • 5
  • 7
  • 10
  • 9
  • 6
TopValue
135
HiddenCells
  • {"r":2,"c":1,"v":36}
  • {"r":1,"c":1,"v":70}
  • {"r":4,"c":3,"v":9}
  • {"r":1,"c":0,"v":65}
  • {"r":4,"c":2,"v":10}
  • {"r":3,"c":0,"v":12}
  • {"r":3,"c":2,"v":19}
  • {"r":2,"c":0,"v":29}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [119] → [_, _] → [27, 32, _] → [_, _, _, 12] → [5, 6, _, 6, _]

Show answer

Answer: Row4[3]=16, Row5[5]=6, Row5[3]=10, Row2[2]=60, Row4[1]=11, Row4[2]=16, Row2[1]=59, Row3[3]=28

SubType
number-pyramid
Difficulty
hard
Levels
  • [119]
  • [59,60]
  • [27,32,28]
  • [11,16,16,12]
  • [5,6,10,6,6]
Base
  • 5
  • 6
  • 10
  • 6
  • 6
TopValue
119
HiddenCells
  • {"r":3,"c":2,"v":16}
  • {"r":4,"c":4,"v":6}
  • {"r":4,"c":2,"v":10}
  • {"r":1,"c":1,"v":60}
  • {"r":3,"c":0,"v":11}
  • {"r":3,"c":1,"v":16}
  • {"r":1,"c":0,"v":59}
  • {"r":2,"c":2,"v":28}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 59] → [_, 27, 32] → [3, 10, 17, _] → [_, _, _, _, 7]

Show answer

Answer: Row5[2]=1, Row4[4]=15, Row2[1]=40, Row3[1]=13, Row5[4]=8, Row5[3]=9, Row5[1]=2, Row1[1]=99

SubType
number-pyramid
Difficulty
hard
Levels
  • [99]
  • [40,59]
  • [13,27,32]
  • [3,10,17,15]
  • [2,1,9,8,7]
Base
  • 2
  • 1
  • 9
  • 8
  • 7
TopValue
99
HiddenCells
  • {"r":4,"c":1,"v":1}
  • {"r":3,"c":3,"v":15}
  • {"r":1,"c":0,"v":40}
  • {"r":2,"c":0,"v":13}
  • {"r":4,"c":3,"v":8}
  • {"r":4,"c":2,"v":9}
  • {"r":4,"c":0,"v":2}
  • {"r":0,"c":0,"v":99}