hard Set 22 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [74] → [31, _] → [13, _, _] → [6, 7, 11, 14] → [_, _, _, _, _]

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Answer: Row5[4]=6, Row5[3]=5, Row3[3]=25, Row3[2]=18, Row5[5]=8, Row2[2]=43, Row5[1]=4, Row5[2]=2

SubType
number-pyramid
Difficulty
hard
Levels
  • [74]
  • [31,43]
  • [13,18,25]
  • [6,7,11,14]
  • [4,2,5,6,8]
Base
  • 4
  • 2
  • 5
  • 6
  • 8
TopValue
74
HiddenCells
  • {"r":4,"c":3,"v":6}
  • {"r":4,"c":2,"v":5}
  • {"r":2,"c":2,"v":25}
  • {"r":2,"c":1,"v":18}
  • {"r":4,"c":4,"v":8}
  • {"r":1,"c":1,"v":43}
  • {"r":4,"c":0,"v":4}
  • {"r":4,"c":1,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [67] → [25, 42] → [_, 15, _] → [5, _, _, 17] → [_, _, 3, _, _]

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Answer: Row5[2]=2, Row5[5]=10, Row4[3]=10, Row3[1]=10, Row5[4]=7, Row3[3]=27, Row4[2]=5, Row5[1]=3

SubType
number-pyramid
Difficulty
hard
Levels
  • [67]
  • [25,42]
  • [10,15,27]
  • [5,5,10,17]
  • [3,2,3,7,10]
Base
  • 3
  • 2
  • 3
  • 7
  • 10
TopValue
67
HiddenCells
  • {"r":4,"c":1,"v":2}
  • {"r":4,"c":4,"v":10}
  • {"r":3,"c":2,"v":10}
  • {"r":2,"c":0,"v":10}
  • {"r":4,"c":3,"v":7}
  • {"r":2,"c":2,"v":27}
  • {"r":3,"c":1,"v":5}
  • {"r":4,"c":0,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [107] → [_, 58] → [_, 28, 30] → [_, 12, _, _] → [_, 3, 9, _, _]

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Answer: Row4[1]=9, Row3[1]=21, Row5[1]=6, Row5[4]=7, Row5[5]=7, Row4[3]=16, Row4[4]=14, Row2[1]=49

SubType
number-pyramid
Difficulty
hard
Levels
  • [107]
  • [49,58]
  • [21,28,30]
  • [9,12,16,14]
  • [6,3,9,7,7]
Base
  • 6
  • 3
  • 9
  • 7
  • 7
TopValue
107
HiddenCells
  • {"r":3,"c":0,"v":9}
  • {"r":2,"c":0,"v":21}
  • {"r":4,"c":0,"v":6}
  • {"r":4,"c":3,"v":7}
  • {"r":4,"c":4,"v":7}
  • {"r":3,"c":2,"v":16}
  • {"r":3,"c":3,"v":14}
  • {"r":1,"c":0,"v":49}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 45] → [16, _, _] → [_, 5, _, 16] → [8, _, 2, _, 6]

Show answer

Answer: Row5[4]=10, Row1[1]=78, Row3[2]=17, Row3[3]=28, Row4[1]=11, Row4[3]=12, Row2[1]=33, Row5[2]=3

SubType
number-pyramid
Difficulty
hard
Levels
  • [78]
  • [33,45]
  • [16,17,28]
  • [11,5,12,16]
  • [8,3,2,10,6]
Base
  • 8
  • 3
  • 2
  • 10
  • 6
TopValue
78
HiddenCells
  • {"r":4,"c":3,"v":10}
  • {"r":0,"c":0,"v":78}
  • {"r":2,"c":1,"v":17}
  • {"r":2,"c":2,"v":28}
  • {"r":3,"c":0,"v":11}
  • {"r":3,"c":2,"v":12}
  • {"r":1,"c":0,"v":33}
  • {"r":4,"c":1,"v":3}