hard Set 40 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [_, 28, _] → [11, 15, _, 8] → [_, _, 9, 4, 4]

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Answer: Row3[1]=26, Row5[2]=6, Row2[2]=49, Row1[1]=103, Row2[1]=54, Row3[3]=21, Row5[1]=5, Row4[3]=13

SubType
number-pyramid
Difficulty
hard
Levels
  • [103]
  • [54,49]
  • [26,28,21]
  • [11,15,13,8]
  • [5,6,9,4,4]
Base
  • 5
  • 6
  • 9
  • 4
  • 4
TopValue
103
HiddenCells
  • {"r":2,"c":0,"v":26}
  • {"r":4,"c":1,"v":6}
  • {"r":1,"c":1,"v":49}
  • {"r":0,"c":0,"v":103}
  • {"r":1,"c":0,"v":54}
  • {"r":2,"c":2,"v":21}
  • {"r":4,"c":0,"v":5}
  • {"r":3,"c":2,"v":13}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 49] → [23, 28, _] → [_, 14, _, _] → [_, 6, _, 6, 1]

Show answer

Answer: Row5[1]=3, Row1[1]=100, Row5[3]=8, Row4[4]=7, Row3[3]=21, Row4[1]=9, Row4[3]=14, Row2[1]=51

SubType
number-pyramid
Difficulty
hard
Levels
  • [100]
  • [51,49]
  • [23,28,21]
  • [9,14,14,7]
  • [3,6,8,6,1]
Base
  • 3
  • 6
  • 8
  • 6
  • 1
TopValue
100
HiddenCells
  • {"r":4,"c":0,"v":3}
  • {"r":0,"c":0,"v":100}
  • {"r":4,"c":2,"v":8}
  • {"r":3,"c":3,"v":7}
  • {"r":2,"c":2,"v":21}
  • {"r":3,"c":0,"v":9}
  • {"r":3,"c":2,"v":14}
  • {"r":1,"c":0,"v":51}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [84] → [_, 35] → [30, 19, 16] → [_, _, _, 11] → [_, _, 4, _, _]

Show answer

Answer: Row5[4]=1, Row5[5]=10, Row5[1]=6, Row4[3]=5, Row5[2]=10, Row4[2]=14, Row2[1]=49, Row4[1]=16

SubType
number-pyramid
Difficulty
hard
Levels
  • [84]
  • [49,35]
  • [30,19,16]
  • [16,14,5,11]
  • [6,10,4,1,10]
Base
  • 6
  • 10
  • 4
  • 1
  • 10
TopValue
84
HiddenCells
  • {"r":4,"c":3,"v":1}
  • {"r":4,"c":4,"v":10}
  • {"r":4,"c":0,"v":6}
  • {"r":3,"c":2,"v":5}
  • {"r":4,"c":1,"v":10}
  • {"r":3,"c":1,"v":14}
  • {"r":1,"c":0,"v":49}
  • {"r":3,"c":0,"v":16}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [123] → [_, 60] → [_, 30, _] → [18, _, 15, _] → [10, _, 7, _, _]

Show answer

Answer: Row4[4]=15, Row4[2]=15, Row5[4]=8, Row5[2]=8, Row3[3]=30, Row2[1]=63, Row3[1]=33, Row5[5]=7

SubType
number-pyramid
Difficulty
hard
Levels
  • [123]
  • [63,60]
  • [33,30,30]
  • [18,15,15,15]
  • [10,8,7,8,7]
Base
  • 10
  • 8
  • 7
  • 8
  • 7
TopValue
123
HiddenCells
  • {"r":3,"c":3,"v":15}
  • {"r":3,"c":1,"v":15}
  • {"r":4,"c":3,"v":8}
  • {"r":4,"c":1,"v":8}
  • {"r":2,"c":2,"v":30}
  • {"r":1,"c":0,"v":63}
  • {"r":2,"c":0,"v":33}
  • {"r":4,"c":4,"v":7}