hard Set 32 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 74] → [39, _, _] → [_, _, _, 18] → [9, 10, _, 8, 10]

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Answer: Row1[1]=151, Row3[2]=38, Row4[1]=19, Row2[1]=77, Row4[3]=18, Row4[2]=20, Row3[3]=36, Row5[3]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [151]
  • [77,74]
  • [39,38,36]
  • [19,20,18,18]
  • [9,10,10,8,10]
Base
  • 9
  • 10
  • 10
  • 8
  • 10
TopValue
151
HiddenCells
  • {"r":0,"c":0,"v":151}
  • {"r":2,"c":1,"v":38}
  • {"r":3,"c":0,"v":19}
  • {"r":1,"c":0,"v":77}
  • {"r":3,"c":2,"v":18}
  • {"r":3,"c":1,"v":20}
  • {"r":2,"c":2,"v":36}
  • {"r":4,"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): [71] → [34, 37] → [18, 16, _] → [_, _, _, _] → [_, 2, _, 4, _]

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Answer: Row5[3]=5, Row5[1]=9, Row4[2]=7, Row4[3]=9, Row4[4]=12, Row4[1]=11, Row5[5]=8, Row3[3]=21

SubType
number-pyramid
Difficulty
hard
Levels
  • [71]
  • [34,37]
  • [18,16,21]
  • [11,7,9,12]
  • [9,2,5,4,8]
Base
  • 9
  • 2
  • 5
  • 4
  • 8
TopValue
71
HiddenCells
  • {"r":4,"c":2,"v":5}
  • {"r":4,"c":0,"v":9}
  • {"r":3,"c":1,"v":7}
  • {"r":3,"c":2,"v":9}
  • {"r":3,"c":3,"v":12}
  • {"r":3,"c":0,"v":11}
  • {"r":4,"c":4,"v":8}
  • {"r":2,"c":2,"v":21}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [76, 70] → [37, _, 31] → [_, _, 19, 12] → [_, _, _, 9, _]

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Answer: Row5[2]=10, Row1[1]=146, Row5[3]=10, Row3[2]=39, Row4[2]=20, Row4[1]=17, Row5[1]=7, Row5[5]=3

SubType
number-pyramid
Difficulty
hard
Levels
  • [146]
  • [76,70]
  • [37,39,31]
  • [17,20,19,12]
  • [7,10,10,9,3]
Base
  • 7
  • 10
  • 10
  • 9
  • 3
TopValue
146
HiddenCells
  • {"r":4,"c":1,"v":10}
  • {"r":0,"c":0,"v":146}
  • {"r":4,"c":2,"v":10}
  • {"r":2,"c":1,"v":39}
  • {"r":3,"c":1,"v":20}
  • {"r":3,"c":0,"v":17}
  • {"r":4,"c":0,"v":7}
  • {"r":4,"c":4,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [22, 28, 31] → [_, 13, 15, _] → [_, 4, _, _, 10]

Show answer

Answer: Row2[1]=50, Row4[4]=16, Row5[4]=6, Row5[1]=5, Row4[1]=9, Row5[3]=9, Row1[1]=109, Row2[2]=59

SubType
number-pyramid
Difficulty
hard
Levels
  • [109]
  • [50,59]
  • [22,28,31]
  • [9,13,15,16]
  • [5,4,9,6,10]
Base
  • 5
  • 4
  • 9
  • 6
  • 10
TopValue
109
HiddenCells
  • {"r":1,"c":0,"v":50}
  • {"r":3,"c":3,"v":16}
  • {"r":4,"c":3,"v":6}
  • {"r":4,"c":0,"v":5}
  • {"r":3,"c":0,"v":9}
  • {"r":4,"c":2,"v":9}
  • {"r":0,"c":0,"v":109}
  • {"r":1,"c":1,"v":59}