hard Set 56 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [_, 12, 22] → [2, _, 9, _] → [1, _, 2, _, 6]

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Answer: Row2[2]=34, Row2[1]=17, Row4[2]=3, Row3[1]=5, Row1[1]=51, Row5[2]=1, Row5[4]=7, Row4[4]=13

SubType
number-pyramid
Difficulty
hard
Levels
  • [51]
  • [17,34]
  • [5,12,22]
  • [2,3,9,13]
  • [1,1,2,7,6]
Base
  • 1
  • 1
  • 2
  • 7
  • 6
TopValue
51
HiddenCells
  • {"r":1,"c":1,"v":34}
  • {"r":1,"c":0,"v":17}
  • {"r":3,"c":1,"v":3}
  • {"r":2,"c":0,"v":5}
  • {"r":0,"c":0,"v":51}
  • {"r":4,"c":1,"v":1}
  • {"r":4,"c":3,"v":7}
  • {"r":3,"c":3,"v":13}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [100] → [_, _] → [25, 25, 25] → [12, _, 12, _] → [2, _, _, _, _]

Show answer

Answer: Row5[4]=9, Row5[3]=3, Row5[2]=10, Row5[5]=4, Row2[2]=50, Row4[4]=13, Row4[2]=13, Row2[1]=50

SubType
number-pyramid
Difficulty
hard
Levels
  • [100]
  • [50,50]
  • [25,25,25]
  • [12,13,12,13]
  • [2,10,3,9,4]
Base
  • 2
  • 10
  • 3
  • 9
  • 4
TopValue
100
HiddenCells
  • {"r":4,"c":3,"v":9}
  • {"r":4,"c":2,"v":3}
  • {"r":4,"c":1,"v":10}
  • {"r":4,"c":4,"v":4}
  • {"r":1,"c":1,"v":50}
  • {"r":3,"c":3,"v":13}
  • {"r":3,"c":1,"v":13}
  • {"r":1,"c":0,"v":50}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [78] → [36, _] → [_, 17, _] → [_, _, 10, 15] → [8, _, 3, _, _]

Show answer

Answer: Row5[5]=8, Row2[2]=42, Row3[1]=19, Row4[1]=12, Row3[3]=25, Row4[2]=7, Row5[2]=4, Row5[4]=7

SubType
number-pyramid
Difficulty
hard
Levels
  • [78]
  • [36,42]
  • [19,17,25]
  • [12,7,10,15]
  • [8,4,3,7,8]
Base
  • 8
  • 4
  • 3
  • 7
  • 8
TopValue
78
HiddenCells
  • {"r":4,"c":4,"v":8}
  • {"r":1,"c":1,"v":42}
  • {"r":2,"c":0,"v":19}
  • {"r":3,"c":0,"v":12}
  • {"r":2,"c":2,"v":25}
  • {"r":3,"c":1,"v":7}
  • {"r":4,"c":1,"v":4}
  • {"r":4,"c":3,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [65, _] → [_, _, 32] → [_, _, 19, _] → [5, _, 10, 9, 4]

Show answer

Answer: Row4[1]=12, Row1[1]=133, Row4[4]=13, Row3[2]=36, Row4[2]=17, Row3[1]=29, Row5[2]=7, Row2[2]=68

SubType
number-pyramid
Difficulty
hard
Levels
  • [133]
  • [65,68]
  • [29,36,32]
  • [12,17,19,13]
  • [5,7,10,9,4]
Base
  • 5
  • 7
  • 10
  • 9
  • 4
TopValue
133
HiddenCells
  • {"r":3,"c":0,"v":12}
  • {"r":0,"c":0,"v":133}
  • {"r":3,"c":3,"v":13}
  • {"r":2,"c":1,"v":36}
  • {"r":3,"c":1,"v":17}
  • {"r":2,"c":0,"v":29}
  • {"r":4,"c":1,"v":7}
  • {"r":1,"c":1,"v":68}