hard Set 66 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [31, 25, _] → [_, _, _, 14] → [6, 10, 5, _, 9]

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Answer: Row5[4]=5, Row2[1]=56, Row4[1]=16, Row1[1]=105, Row3[3]=24, Row2[2]=49, Row4[2]=15, Row4[3]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [105]
  • [56,49]
  • [31,25,24]
  • [16,15,10,14]
  • [6,10,5,5,9]
Base
  • 6
  • 10
  • 5
  • 5
  • 9
TopValue
105
HiddenCells
  • {"r":4,"c":3,"v":5}
  • {"r":1,"c":0,"v":56}
  • {"r":3,"c":0,"v":16}
  • {"r":0,"c":0,"v":105}
  • {"r":2,"c":2,"v":24}
  • {"r":1,"c":1,"v":49}
  • {"r":3,"c":1,"v":15}
  • {"r":3,"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): [68] → [_, _] → [_, _, 13] → [14, 9, _, _] → [9, _, _, 3, 3]

Show answer

Answer: Row2[2]=29, Row4[4]=6, Row4[3]=7, Row2[1]=39, Row3[2]=16, Row3[1]=23, Row5[2]=5, Row5[3]=4

SubType
number-pyramid
Difficulty
hard
Levels
  • [68]
  • [39,29]
  • [23,16,13]
  • [14,9,7,6]
  • [9,5,4,3,3]
Base
  • 9
  • 5
  • 4
  • 3
  • 3
TopValue
68
HiddenCells
  • {"r":1,"c":1,"v":29}
  • {"r":3,"c":3,"v":6}
  • {"r":3,"c":2,"v":7}
  • {"r":1,"c":0,"v":39}
  • {"r":2,"c":1,"v":16}
  • {"r":2,"c":0,"v":23}
  • {"r":4,"c":1,"v":5}
  • {"r":4,"c":2,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [65, 56] → [_, _, 24] → [_, _, 15, _] → [_, 10, 7, 8, _]

Show answer

Answer: Row1[1]=121, Row4[1]=16, Row3[1]=33, Row3[2]=32, Row4[4]=9, Row5[1]=6, Row4[2]=17, Row5[5]=1

SubType
number-pyramid
Difficulty
hard
Levels
  • [121]
  • [65,56]
  • [33,32,24]
  • [16,17,15,9]
  • [6,10,7,8,1]
Base
  • 6
  • 10
  • 7
  • 8
  • 1
TopValue
121
HiddenCells
  • {"r":0,"c":0,"v":121}
  • {"r":3,"c":0,"v":16}
  • {"r":2,"c":0,"v":33}
  • {"r":2,"c":1,"v":32}
  • {"r":3,"c":3,"v":9}
  • {"r":4,"c":0,"v":6}
  • {"r":3,"c":1,"v":17}
  • {"r":4,"c":4,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 54] → [_, _, 27] → [_, _, _, 12] → [_, 2, 10, 5, 7]

Show answer

Answer: Row1[1]=98, Row4[3]=15, Row4[2]=12, Row5[1]=3, Row3[1]=17, Row3[2]=27, Row2[1]=44, Row4[1]=5

SubType
number-pyramid
Difficulty
hard
Levels
  • [98]
  • [44,54]
  • [17,27,27]
  • [5,12,15,12]
  • [3,2,10,5,7]
Base
  • 3
  • 2
  • 10
  • 5
  • 7
TopValue
98
HiddenCells
  • {"r":0,"c":0,"v":98}
  • {"r":3,"c":2,"v":15}
  • {"r":3,"c":1,"v":12}
  • {"r":4,"c":0,"v":3}
  • {"r":2,"c":0,"v":17}
  • {"r":2,"c":1,"v":27}
  • {"r":1,"c":0,"v":44}
  • {"r":3,"c":0,"v":5}