hard Set 50 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [52, _] → [_, 29, _] → [_, _, 15, _] → [3, 6, 8, 7, _]

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Answer: Row3[1]=23, Row1[1]=113, Row3[3]=32, Row4[2]=14, Row4[4]=17, Row4[1]=9, Row2[2]=61, Row5[5]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [113]
  • [52,61]
  • [23,29,32]
  • [9,14,15,17]
  • [3,6,8,7,10]
Base
  • 3
  • 6
  • 8
  • 7
  • 10
TopValue
113
HiddenCells
  • {"r":2,"c":0,"v":23}
  • {"r":0,"c":0,"v":113}
  • {"r":2,"c":2,"v":32}
  • {"r":3,"c":1,"v":14}
  • {"r":3,"c":3,"v":17}
  • {"r":3,"c":0,"v":9}
  • {"r":1,"c":1,"v":61}
  • {"r":4,"c":4,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [83] → [_, _] → [12, _, 25] → [4, _, 15, _] → [_, _, 6, _, 1]

Show answer

Answer: Row2[1]=35, Row4[4]=10, Row2[2]=48, Row5[1]=2, Row5[2]=2, Row5[4]=9, Row4[2]=8, Row3[2]=23

SubType
number-pyramid
Difficulty
hard
Levels
  • [83]
  • [35,48]
  • [12,23,25]
  • [4,8,15,10]
  • [2,2,6,9,1]
Base
  • 2
  • 2
  • 6
  • 9
  • 1
TopValue
83
HiddenCells
  • {"r":1,"c":0,"v":35}
  • {"r":3,"c":3,"v":10}
  • {"r":1,"c":1,"v":48}
  • {"r":4,"c":0,"v":2}
  • {"r":4,"c":1,"v":2}
  • {"r":4,"c":3,"v":9}
  • {"r":3,"c":1,"v":8}
  • {"r":2,"c":1,"v":23}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [67, 64] → [34, _, 31] → [_, _, 15, 16] → [_, _, _, 7, _]

Show answer

Answer: Row4[2]=18, Row4[1]=16, Row5[1]=6, Row5[2]=10, Row5[5]=9, Row5[3]=8, Row3[2]=33, Row1[1]=131

SubType
number-pyramid
Difficulty
hard
Levels
  • [131]
  • [67,64]
  • [34,33,31]
  • [16,18,15,16]
  • [6,10,8,7,9]
Base
  • 6
  • 10
  • 8
  • 7
  • 9
TopValue
131
HiddenCells
  • {"r":3,"c":1,"v":18}
  • {"r":3,"c":0,"v":16}
  • {"r":4,"c":0,"v":6}
  • {"r":4,"c":1,"v":10}
  • {"r":4,"c":4,"v":9}
  • {"r":4,"c":2,"v":8}
  • {"r":2,"c":1,"v":33}
  • {"r":0,"c":0,"v":131}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [69] → [34, _] → [20, 14, _] → [13, _, _, 14] → [_, _, 1, _, _]

Show answer

Answer: Row3[3]=21, Row5[4]=6, Row5[5]=8, Row2[2]=35, Row4[3]=7, Row5[2]=6, Row5[1]=7, Row4[2]=7

SubType
number-pyramid
Difficulty
hard
Levels
  • [69]
  • [34,35]
  • [20,14,21]
  • [13,7,7,14]
  • [7,6,1,6,8]
Base
  • 7
  • 6
  • 1
  • 6
  • 8
TopValue
69
HiddenCells
  • {"r":2,"c":2,"v":21}
  • {"r":4,"c":3,"v":6}
  • {"r":4,"c":4,"v":8}
  • {"r":1,"c":1,"v":35}
  • {"r":3,"c":2,"v":7}
  • {"r":4,"c":1,"v":6}
  • {"r":4,"c":0,"v":7}
  • {"r":3,"c":1,"v":7}