hard Set 87 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [20, 33] → [10, 10, _] → [_, _, 8, 15] → [7, _, _, _, _]

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Answer: Row5[3]=1, Row5[4]=7, Row3[3]=23, Row5[5]=8, Row1[1]=53, Row5[2]=1, Row4[2]=2, Row4[1]=8

SubType
number-pyramid
Difficulty
hard
Levels
  • [53]
  • [20,33]
  • [10,10,23]
  • [8,2,8,15]
  • [7,1,1,7,8]
Base
  • 7
  • 1
  • 1
  • 7
  • 8
TopValue
53
HiddenCells
  • {"r":4,"c":2,"v":1}
  • {"r":4,"c":3,"v":7}
  • {"r":2,"c":2,"v":23}
  • {"r":4,"c":4,"v":8}
  • {"r":0,"c":0,"v":53}
  • {"r":4,"c":1,"v":1}
  • {"r":3,"c":1,"v":2}
  • {"r":3,"c":0,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [62] → [_, _] → [_, _, _] → [6, _, _, _] → [4, 2, 6, 1, 10]

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Answer: Row4[2]=8, Row4[4]=11, Row2[2]=33, Row3[3]=18, Row2[1]=29, Row3[1]=14, Row3[2]=15, Row4[3]=7

SubType
number-pyramid
Difficulty
hard
Levels
  • [62]
  • [29,33]
  • [14,15,18]
  • [6,8,7,11]
  • [4,2,6,1,10]
Base
  • 4
  • 2
  • 6
  • 1
  • 10
TopValue
62
HiddenCells
  • {"r":3,"c":1,"v":8}
  • {"r":3,"c":3,"v":11}
  • {"r":1,"c":1,"v":33}
  • {"r":2,"c":2,"v":18}
  • {"r":1,"c":0,"v":29}
  • {"r":2,"c":0,"v":14}
  • {"r":2,"c":1,"v":15}
  • {"r":3,"c":2,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [55] → [_, _] → [13, 13, _] → [_, _, 9, _] → [8, _, 3, _, 1]

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Answer: Row3[3]=16, Row2[2]=29, Row5[2]=1, Row4[2]=4, Row4[1]=9, Row4[4]=7, Row5[4]=6, Row2[1]=26

SubType
number-pyramid
Difficulty
hard
Levels
  • [55]
  • [26,29]
  • [13,13,16]
  • [9,4,9,7]
  • [8,1,3,6,1]
Base
  • 8
  • 1
  • 3
  • 6
  • 1
TopValue
55
HiddenCells
  • {"r":2,"c":2,"v":16}
  • {"r":1,"c":1,"v":29}
  • {"r":4,"c":1,"v":1}
  • {"r":3,"c":1,"v":4}
  • {"r":3,"c":0,"v":9}
  • {"r":3,"c":3,"v":7}
  • {"r":4,"c":3,"v":6}
  • {"r":1,"c":0,"v":26}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [122] → [_, _] → [_, _, 24] → [_, _, 15, 9] → [_, _, 10, 5, 4]

Show answer

Answer: Row5[2]=7, Row2[1]=66, Row3[1]=34, Row4[2]=17, Row4[1]=17, Row5[1]=10, Row2[2]=56, Row3[2]=32

SubType
number-pyramid
Difficulty
hard
Levels
  • [122]
  • [66,56]
  • [34,32,24]
  • [17,17,15,9]
  • [10,7,10,5,4]
Base
  • 10
  • 7
  • 10
  • 5
  • 4
TopValue
122
HiddenCells
  • {"r":4,"c":1,"v":7}
  • {"r":1,"c":0,"v":66}
  • {"r":2,"c":0,"v":34}
  • {"r":3,"c":1,"v":17}
  • {"r":3,"c":0,"v":17}
  • {"r":4,"c":0,"v":10}
  • {"r":1,"c":1,"v":56}
  • {"r":2,"c":1,"v":32}