hard Set 30 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [103] → [52, _] → [_, _, 23] → [_, 14, _, 9] → [_, _, _, 5, 4]

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Answer: Row5[2]=5, Row5[1]=5, Row4[1]=10, Row5[3]=9, Row2[2]=51, Row3[2]=28, Row3[1]=24, Row4[3]=14

SubType
number-pyramid
Difficulty
hard
Levels
  • [103]
  • [52,51]
  • [24,28,23]
  • [10,14,14,9]
  • [5,5,9,5,4]
Base
  • 5
  • 5
  • 9
  • 5
  • 4
TopValue
103
HiddenCells
  • {"r":4,"c":1,"v":5}
  • {"r":4,"c":0,"v":5}
  • {"r":3,"c":0,"v":10}
  • {"r":4,"c":2,"v":9}
  • {"r":1,"c":1,"v":51}
  • {"r":2,"c":1,"v":28}
  • {"r":2,"c":0,"v":24}
  • {"r":3,"c":2,"v":14}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [76] → [30, 46] → [_, 20, _] → [2, _, _, 14] → [_, _, _, _, 9]

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Answer: Row4[2]=8, Row5[2]=1, Row4[3]=12, Row5[1]=1, Row5[3]=7, Row5[4]=5, Row3[3]=26, Row3[1]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [76]
  • [30,46]
  • [10,20,26]
  • [2,8,12,14]
  • [1,1,7,5,9]
Base
  • 1
  • 1
  • 7
  • 5
  • 9
TopValue
76
HiddenCells
  • {"r":3,"c":1,"v":8}
  • {"r":4,"c":1,"v":1}
  • {"r":3,"c":2,"v":12}
  • {"r":4,"c":0,"v":1}
  • {"r":4,"c":2,"v":7}
  • {"r":4,"c":3,"v":5}
  • {"r":2,"c":2,"v":26}
  • {"r":2,"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): [96] → [_, 50] → [22, _, _] → [_, 11, 13, 13] → [_, 6, _, _, _]

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Answer: Row2[1]=46, Row5[3]=5, Row3[3]=26, Row4[1]=11, Row5[1]=5, Row5[5]=5, Row3[2]=24, Row5[4]=8

SubType
number-pyramid
Difficulty
hard
Levels
  • [96]
  • [46,50]
  • [22,24,26]
  • [11,11,13,13]
  • [5,6,5,8,5]
Base
  • 5
  • 6
  • 5
  • 8
  • 5
TopValue
96
HiddenCells
  • {"r":1,"c":0,"v":46}
  • {"r":4,"c":2,"v":5}
  • {"r":2,"c":2,"v":26}
  • {"r":3,"c":0,"v":11}
  • {"r":4,"c":0,"v":5}
  • {"r":4,"c":4,"v":5}
  • {"r":2,"c":1,"v":24}
  • {"r":4,"c":3,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [33, 48] → [13, _, _] → [5, _, 12, _] → [_, 2, 6, _, _]

Show answer

Answer: Row3[3]=28, Row5[4]=6, Row3[2]=20, Row4[2]=8, Row5[5]=10, Row1[1]=81, Row4[4]=16, Row5[1]=3

SubType
number-pyramid
Difficulty
hard
Levels
  • [81]
  • [33,48]
  • [13,20,28]
  • [5,8,12,16]
  • [3,2,6,6,10]
Base
  • 3
  • 2
  • 6
  • 6
  • 10
TopValue
81
HiddenCells
  • {"r":2,"c":2,"v":28}
  • {"r":4,"c":3,"v":6}
  • {"r":2,"c":1,"v":20}
  • {"r":3,"c":1,"v":8}
  • {"r":4,"c":4,"v":10}
  • {"r":0,"c":0,"v":81}
  • {"r":3,"c":3,"v":16}
  • {"r":4,"c":0,"v":3}