hard Set 27 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [85] → [_, 39] → [29, _, _] → [19, _, _, _] → [10, 9, 1, _, _]

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Answer: Row5[4]=6, Row5[5]=9, Row4[3]=7, Row2[1]=46, Row4[2]=10, Row3[2]=17, Row4[4]=15, Row3[3]=22

SubType
number-pyramid
Difficulty
hard
Levels
  • [85]
  • [46,39]
  • [29,17,22]
  • [19,10,7,15]
  • [10,9,1,6,9]
Base
  • 10
  • 9
  • 1
  • 6
  • 9
TopValue
85
HiddenCells
  • {"r":4,"c":3,"v":6}
  • {"r":4,"c":4,"v":9}
  • {"r":3,"c":2,"v":7}
  • {"r":1,"c":0,"v":46}
  • {"r":3,"c":1,"v":10}
  • {"r":2,"c":1,"v":17}
  • {"r":3,"c":3,"v":15}
  • {"r":2,"c":2,"v":22}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 55] → [_, _, 25] → [_, 15, _, _] → [8, 9, 6, 9, _]

Show answer

Answer: Row1[1]=117, Row2[1]=62, Row3[1]=32, Row5[5]=1, Row4[1]=17, Row3[2]=30, Row4[3]=15, Row4[4]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [117]
  • [62,55]
  • [32,30,25]
  • [17,15,15,10]
  • [8,9,6,9,1]
Base
  • 8
  • 9
  • 6
  • 9
  • 1
TopValue
117
HiddenCells
  • {"r":0,"c":0,"v":117}
  • {"r":1,"c":0,"v":62}
  • {"r":2,"c":0,"v":32}
  • {"r":4,"c":4,"v":1}
  • {"r":3,"c":0,"v":17}
  • {"r":2,"c":1,"v":30}
  • {"r":3,"c":2,"v":15}
  • {"r":3,"c":3,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [130] → [70, _] → [_, _, _] → [_, _, 17, _] → [9, 8, 10, _, 1]

Show answer

Answer: Row4[4]=8, Row2[2]=60, Row5[4]=7, Row4[1]=17, Row3[2]=35, Row3[1]=35, Row3[3]=25, Row4[2]=18

SubType
number-pyramid
Difficulty
hard
Levels
  • [130]
  • [70,60]
  • [35,35,25]
  • [17,18,17,8]
  • [9,8,10,7,1]
Base
  • 9
  • 8
  • 10
  • 7
  • 1
TopValue
130
HiddenCells
  • {"r":3,"c":3,"v":8}
  • {"r":1,"c":1,"v":60}
  • {"r":4,"c":3,"v":7}
  • {"r":3,"c":0,"v":17}
  • {"r":2,"c":1,"v":35}
  • {"r":2,"c":0,"v":35}
  • {"r":2,"c":2,"v":25}
  • {"r":3,"c":1,"v":18}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [54, _] → [_, 26, _] → [_, 13, _, 20] → [5, _, 3, 10, _]

Show answer

Answer: Row4[1]=15, Row3[1]=28, Row5[2]=10, Row3[3]=33, Row2[2]=59, Row1[1]=113, Row4[3]=13, Row5[5]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [113]
  • [54,59]
  • [28,26,33]
  • [15,13,13,20]
  • [5,10,3,10,10]
Base
  • 5
  • 10
  • 3
  • 10
  • 10
TopValue
113
HiddenCells
  • {"r":3,"c":0,"v":15}
  • {"r":2,"c":0,"v":28}
  • {"r":4,"c":1,"v":10}
  • {"r":2,"c":2,"v":33}
  • {"r":1,"c":1,"v":59}
  • {"r":0,"c":0,"v":113}
  • {"r":3,"c":2,"v":13}
  • {"r":4,"c":4,"v":10}