hard Set 52 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [109] → [_, 51] → [_, 28, _] → [_, _, 13, _] → [_, _, 6, 7, 3]

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Answer: Row5[1]=6, Row4[4]=10, Row3[3]=23, Row3[1]=30, Row2[1]=58, Row4[2]=15, Row4[1]=15, Row5[2]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [109]
  • [58,51]
  • [30,28,23]
  • [15,15,13,10]
  • [6,9,6,7,3]
Base
  • 6
  • 9
  • 6
  • 7
  • 3
TopValue
109
HiddenCells
  • {"r":4,"c":0,"v":6}
  • {"r":3,"c":3,"v":10}
  • {"r":2,"c":2,"v":23}
  • {"r":2,"c":0,"v":30}
  • {"r":1,"c":0,"v":58}
  • {"r":3,"c":1,"v":15}
  • {"r":3,"c":0,"v":15}
  • {"r":4,"c":1,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [95] → [_, 52] → [_, 22, 30] → [_, _, 11, 19] → [_, _, _, 9, _]

Show answer

Answer: Row5[2]=9, Row5[5]=10, Row2[1]=43, Row5[1]=1, Row4[2]=11, Row5[3]=2, Row3[1]=21, Row4[1]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [95]
  • [43,52]
  • [21,22,30]
  • [10,11,11,19]
  • [1,9,2,9,10]
Base
  • 1
  • 9
  • 2
  • 9
  • 10
TopValue
95
HiddenCells
  • {"r":4,"c":1,"v":9}
  • {"r":4,"c":4,"v":10}
  • {"r":1,"c":0,"v":43}
  • {"r":4,"c":0,"v":1}
  • {"r":3,"c":1,"v":11}
  • {"r":4,"c":2,"v":2}
  • {"r":2,"c":0,"v":21}
  • {"r":3,"c":0,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [44, _] → [22, 22, 20] → [_, _, _, 10] → [_, 3, _, _, 9]

Show answer

Answer: Row4[1]=10, Row4[2]=12, Row5[3]=9, Row5[4]=1, Row5[1]=7, Row1[1]=86, Row2[2]=42, Row4[3]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [86]
  • [44,42]
  • [22,22,20]
  • [10,12,10,10]
  • [7,3,9,1,9]
Base
  • 7
  • 3
  • 9
  • 1
  • 9
TopValue
86
HiddenCells
  • {"r":3,"c":0,"v":10}
  • {"r":3,"c":1,"v":12}
  • {"r":4,"c":2,"v":9}
  • {"r":4,"c":3,"v":1}
  • {"r":4,"c":0,"v":7}
  • {"r":0,"c":0,"v":86}
  • {"r":1,"c":1,"v":42}
  • {"r":3,"c":2,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [39, _] → [_, _, 29] → [14, _, _, _] → [_, 6, 1, 10, 8]

Show answer

Answer: Row2[2]=47, Row5[1]=8, Row4[4]=18, Row1[1]=86, Row4[3]=11, Row4[2]=7, Row3[1]=21, Row3[2]=18

SubType
number-pyramid
Difficulty
hard
Levels
  • [86]
  • [39,47]
  • [21,18,29]
  • [14,7,11,18]
  • [8,6,1,10,8]
Base
  • 8
  • 6
  • 1
  • 10
  • 8
TopValue
86
HiddenCells
  • {"r":1,"c":1,"v":47}
  • {"r":4,"c":0,"v":8}
  • {"r":3,"c":3,"v":18}
  • {"r":0,"c":0,"v":86}
  • {"r":3,"c":2,"v":11}
  • {"r":3,"c":1,"v":7}
  • {"r":2,"c":0,"v":21}
  • {"r":2,"c":1,"v":18}