hard Set 61 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [61] → [_, _] → [15, _, 12] → [_, _, 8, 4] → [4, 2, _, _, _]

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Answer: Row5[4]=1, Row4[1]=6, Row3[2]=17, Row5[3]=7, Row2[1]=32, Row4[2]=9, Row2[2]=29, Row5[5]=3

SubType
number-pyramid
Difficulty
hard
Levels
  • [61]
  • [32,29]
  • [15,17,12]
  • [6,9,8,4]
  • [4,2,7,1,3]
Base
  • 4
  • 2
  • 7
  • 1
  • 3
TopValue
61
HiddenCells
  • {"r":4,"c":3,"v":1}
  • {"r":3,"c":0,"v":6}
  • {"r":2,"c":1,"v":17}
  • {"r":4,"c":2,"v":7}
  • {"r":1,"c":0,"v":32}
  • {"r":3,"c":1,"v":9}
  • {"r":1,"c":1,"v":29}
  • {"r":4,"c":4,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [114] → [_, _] → [_, 30, 17] → [_, 18, 12, _] → [10, 9, _, _, _]

Show answer

Answer: Row5[4]=3, Row2[2]=47, Row2[1]=67, Row4[1]=19, Row5[3]=9, Row3[1]=37, Row4[4]=5, Row5[5]=2

SubType
number-pyramid
Difficulty
hard
Levels
  • [114]
  • [67,47]
  • [37,30,17]
  • [19,18,12,5]
  • [10,9,9,3,2]
Base
  • 10
  • 9
  • 9
  • 3
  • 2
TopValue
114
HiddenCells
  • {"r":4,"c":3,"v":3}
  • {"r":1,"c":1,"v":47}
  • {"r":1,"c":0,"v":67}
  • {"r":3,"c":0,"v":19}
  • {"r":4,"c":2,"v":9}
  • {"r":2,"c":0,"v":37}
  • {"r":3,"c":3,"v":5}
  • {"r":4,"c":4,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [28, _] → [_, 15, _] → [_, 6, _, 15] → [4, 3, _, 6, _]

Show answer

Answer: Row1[1]=67, Row5[5]=9, Row3[3]=24, Row2[2]=39, Row3[1]=13, Row5[3]=3, Row4[1]=7, Row4[3]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [67]
  • [28,39]
  • [13,15,24]
  • [7,6,9,15]
  • [4,3,3,6,9]
Base
  • 4
  • 3
  • 3
  • 6
  • 9
TopValue
67
HiddenCells
  • {"r":0,"c":0,"v":67}
  • {"r":4,"c":4,"v":9}
  • {"r":2,"c":2,"v":24}
  • {"r":1,"c":1,"v":39}
  • {"r":2,"c":0,"v":13}
  • {"r":4,"c":2,"v":3}
  • {"r":3,"c":0,"v":7}
  • {"r":3,"c":2,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [67] → [_, 35] → [_, 18, _] → [5, 9, _, 8] → [_, _, _, 4, _]

Show answer

Answer: Row4[3]=9, Row5[1]=1, Row5[5]=4, Row5[3]=5, Row2[1]=32, Row3[1]=14, Row3[3]=17, Row5[2]=4

SubType
number-pyramid
Difficulty
hard
Levels
  • [67]
  • [32,35]
  • [14,18,17]
  • [5,9,9,8]
  • [1,4,5,4,4]
Base
  • 1
  • 4
  • 5
  • 4
  • 4
TopValue
67
HiddenCells
  • {"r":3,"c":2,"v":9}
  • {"r":4,"c":0,"v":1}
  • {"r":4,"c":4,"v":4}
  • {"r":4,"c":2,"v":5}
  • {"r":1,"c":0,"v":32}
  • {"r":2,"c":0,"v":14}
  • {"r":2,"c":2,"v":17}
  • {"r":4,"c":1,"v":4}