hard Set 25 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [145] → [72, _] → [_, _, _] → [_, 18, 19, _] → [9, _, 10, _, 8]

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Answer: Row3[1]=35, Row3[3]=36, Row4[4]=17, Row5[2]=8, Row4[1]=17, Row2[2]=73, Row3[2]=37, Row5[4]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [145]
  • [72,73]
  • [35,37,36]
  • [17,18,19,17]
  • [9,8,10,9,8]
Base
  • 9
  • 8
  • 10
  • 9
  • 8
TopValue
145
HiddenCells
  • {"r":2,"c":0,"v":35}
  • {"r":2,"c":2,"v":36}
  • {"r":3,"c":3,"v":17}
  • {"r":4,"c":1,"v":8}
  • {"r":3,"c":0,"v":17}
  • {"r":1,"c":1,"v":73}
  • {"r":2,"c":1,"v":37}
  • {"r":4,"c":3,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [111] → [51, 60] → [_, 28, _] → [11, 12, _, 16] → [_, _, _, _, _]

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Answer: Row5[5]=10, Row5[4]=6, Row3[3]=32, Row5[1]=9, Row5[2]=2, Row5[3]=10, Row3[1]=23, Row4[3]=16

SubType
number-pyramid
Difficulty
hard
Levels
  • [111]
  • [51,60]
  • [23,28,32]
  • [11,12,16,16]
  • [9,2,10,6,10]
Base
  • 9
  • 2
  • 10
  • 6
  • 10
TopValue
111
HiddenCells
  • {"r":4,"c":4,"v":10}
  • {"r":4,"c":3,"v":6}
  • {"r":2,"c":2,"v":32}
  • {"r":4,"c":0,"v":9}
  • {"r":4,"c":1,"v":2}
  • {"r":4,"c":2,"v":10}
  • {"r":2,"c":0,"v":23}
  • {"r":3,"c":2,"v":16}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [95] → [_, 49] → [_, 23, _] → [_, _, _, 14] → [_, _, 5, 7, 7]

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Answer: Row4[3]=12, Row4[2]=11, Row4[1]=12, Row5[1]=6, Row3[3]=26, Row5[2]=6, Row2[1]=46, Row3[1]=23

SubType
number-pyramid
Difficulty
hard
Levels
  • [95]
  • [46,49]
  • [23,23,26]
  • [12,11,12,14]
  • [6,6,5,7,7]
Base
  • 6
  • 6
  • 5
  • 7
  • 7
TopValue
95
HiddenCells
  • {"r":3,"c":2,"v":12}
  • {"r":3,"c":1,"v":11}
  • {"r":3,"c":0,"v":12}
  • {"r":4,"c":0,"v":6}
  • {"r":2,"c":2,"v":26}
  • {"r":4,"c":1,"v":6}
  • {"r":1,"c":0,"v":46}
  • {"r":2,"c":0,"v":23}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [_, 31, _] → [16, 16, 15, 16] → [_, _, 9, 6, _]

Show answer

Answer: Row5[2]=7, Row5[5]=10, Row2[2]=62, Row1[1]=125, Row3[3]=31, Row5[1]=9, Row3[1]=32, Row2[1]=63

SubType
number-pyramid
Difficulty
hard
Levels
  • [125]
  • [63,62]
  • [32,31,31]
  • [16,16,15,16]
  • [9,7,9,6,10]
Base
  • 9
  • 7
  • 9
  • 6
  • 10
TopValue
125
HiddenCells
  • {"r":4,"c":1,"v":7}
  • {"r":4,"c":4,"v":10}
  • {"r":1,"c":1,"v":62}
  • {"r":0,"c":0,"v":125}
  • {"r":2,"c":2,"v":31}
  • {"r":4,"c":0,"v":9}
  • {"r":2,"c":0,"v":32}
  • {"r":1,"c":0,"v":63}