hard Set 49 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [30, _] → [_, 13, 20] → [_, 5, _, 12] → [_, _, 1, 7, _]

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Answer: Row2[2]=33, Row1[1]=63, Row5[2]=4, Row5[5]=5, Row3[1]=17, Row5[1]=8, Row4[3]=8, Row4[1]=12

SubType
number-pyramid
Difficulty
hard
Levels
  • [63]
  • [30,33]
  • [17,13,20]
  • [12,5,8,12]
  • [8,4,1,7,5]
Base
  • 8
  • 4
  • 1
  • 7
  • 5
TopValue
63
HiddenCells
  • {"r":1,"c":1,"v":33}
  • {"r":0,"c":0,"v":63}
  • {"r":4,"c":1,"v":4}
  • {"r":4,"c":4,"v":5}
  • {"r":2,"c":0,"v":17}
  • {"r":4,"c":0,"v":8}
  • {"r":3,"c":2,"v":8}
  • {"r":3,"c":0,"v":12}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [117] → [_, _] → [21, 31, _] → [_, _, _, 16] → [4, _, 9, _, 7]

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Answer: Row2[2]=65, Row4[1]=8, Row4[2]=13, Row3[3]=34, Row5[4]=9, Row2[1]=52, Row5[2]=4, Row4[3]=18

SubType
number-pyramid
Difficulty
hard
Levels
  • [117]
  • [52,65]
  • [21,31,34]
  • [8,13,18,16]
  • [4,4,9,9,7]
Base
  • 4
  • 4
  • 9
  • 9
  • 7
TopValue
117
HiddenCells
  • {"r":1,"c":1,"v":65}
  • {"r":3,"c":0,"v":8}
  • {"r":3,"c":1,"v":13}
  • {"r":2,"c":2,"v":34}
  • {"r":4,"c":3,"v":9}
  • {"r":1,"c":0,"v":52}
  • {"r":4,"c":1,"v":4}
  • {"r":3,"c":2,"v":18}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [68, _] → [_, 33, _] → [18, _, _, 12] → [_, 10, _, 9, 3]

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Answer: Row5[1]=8, Row4[3]=16, Row5[3]=7, Row3[1]=35, Row1[1]=129, Row4[2]=17, Row2[2]=61, Row3[3]=28

SubType
number-pyramid
Difficulty
hard
Levels
  • [129]
  • [68,61]
  • [35,33,28]
  • [18,17,16,12]
  • [8,10,7,9,3]
Base
  • 8
  • 10
  • 7
  • 9
  • 3
TopValue
129
HiddenCells
  • {"r":4,"c":0,"v":8}
  • {"r":3,"c":2,"v":16}
  • {"r":4,"c":2,"v":7}
  • {"r":2,"c":0,"v":35}
  • {"r":0,"c":0,"v":129}
  • {"r":3,"c":1,"v":17}
  • {"r":1,"c":1,"v":61}
  • {"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): [_] → [43, _] → [18, 25, _] → [9, _, _, 17] → [_, 1, _, 8, _]

Show answer

Answer: Row4[3]=16, Row3[3]=33, Row2[2]=58, Row4[2]=9, Row5[3]=8, Row5[5]=9, Row1[1]=101, Row5[1]=8

SubType
number-pyramid
Difficulty
hard
Levels
  • [101]
  • [43,58]
  • [18,25,33]
  • [9,9,16,17]
  • [8,1,8,8,9]
Base
  • 8
  • 1
  • 8
  • 8
  • 9
TopValue
101
HiddenCells
  • {"r":3,"c":2,"v":16}
  • {"r":2,"c":2,"v":33}
  • {"r":1,"c":1,"v":58}
  • {"r":3,"c":1,"v":9}
  • {"r":4,"c":2,"v":8}
  • {"r":4,"c":4,"v":9}
  • {"r":0,"c":0,"v":101}
  • {"r":4,"c":0,"v":8}