hard Set 72 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [83] → [39, _] → [20, 19, 25] → [_, 10, _, _] → [_, _, _, 8, _]

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Answer: Row5[5]=8, Row5[3]=1, Row5[1]=1, Row4[3]=9, Row4[4]=16, Row2[2]=44, Row5[2]=9, Row4[1]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [83]
  • [39,44]
  • [20,19,25]
  • [10,10,9,16]
  • [1,9,1,8,8]
Base
  • 1
  • 9
  • 1
  • 8
  • 8
TopValue
83
HiddenCells
  • {"r":4,"c":4,"v":8}
  • {"r":4,"c":2,"v":1}
  • {"r":4,"c":0,"v":1}
  • {"r":3,"c":2,"v":9}
  • {"r":3,"c":3,"v":16}
  • {"r":1,"c":1,"v":44}
  • {"r":4,"c":1,"v":9}
  • {"r":3,"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): [_] → [49, 54] → [_, 24, _] → [14, _, 13, _] → [_, _, _, 9, 8]

Show answer

Answer: Row5[3]=4, Row4[4]=17, Row3[1]=25, Row3[3]=30, Row5[2]=7, Row4[2]=11, Row1[1]=103, Row5[1]=7

SubType
number-pyramid
Difficulty
hard
Levels
  • [103]
  • [49,54]
  • [25,24,30]
  • [14,11,13,17]
  • [7,7,4,9,8]
Base
  • 7
  • 7
  • 4
  • 9
  • 8
TopValue
103
HiddenCells
  • {"r":4,"c":2,"v":4}
  • {"r":3,"c":3,"v":17}
  • {"r":2,"c":0,"v":25}
  • {"r":2,"c":2,"v":30}
  • {"r":4,"c":1,"v":7}
  • {"r":3,"c":1,"v":11}
  • {"r":0,"c":0,"v":103}
  • {"r":4,"c":0,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [_, 24, _] → [13, 13, _, 7] → [_, 5, 8, _, 4]

Show answer

Answer: Row2[1]=50, Row4[3]=11, Row1[1]=92, Row3[1]=26, Row3[3]=18, Row5[4]=3, Row5[1]=8, Row2[2]=42

SubType
number-pyramid
Difficulty
hard
Levels
  • [92]
  • [50,42]
  • [26,24,18]
  • [13,13,11,7]
  • [8,5,8,3,4]
Base
  • 8
  • 5
  • 8
  • 3
  • 4
TopValue
92
HiddenCells
  • {"r":1,"c":0,"v":50}
  • {"r":3,"c":2,"v":11}
  • {"r":0,"c":0,"v":92}
  • {"r":2,"c":0,"v":26}
  • {"r":2,"c":2,"v":18}
  • {"r":4,"c":3,"v":3}
  • {"r":4,"c":0,"v":8}
  • {"r":1,"c":1,"v":42}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [73] → [_, _] → [21, _, _] → [_, _, 7, 11] → [7, 4, _, 1, _]

Show answer

Answer: Row5[5]=10, Row2[2]=35, Row5[3]=6, Row3[3]=18, Row4[1]=11, Row2[1]=38, Row3[2]=17, Row4[2]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [73]
  • [38,35]
  • [21,17,18]
  • [11,10,7,11]
  • [7,4,6,1,10]
Base
  • 7
  • 4
  • 6
  • 1
  • 10
TopValue
73
HiddenCells
  • {"r":4,"c":4,"v":10}
  • {"r":1,"c":1,"v":35}
  • {"r":4,"c":2,"v":6}
  • {"r":2,"c":2,"v":18}
  • {"r":3,"c":0,"v":11}
  • {"r":1,"c":0,"v":38}
  • {"r":2,"c":1,"v":17}
  • {"r":3,"c":1,"v":10}