hard Set 100 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 42] → [29, 22, _] → [_, 14, 8, _] → [_, _, 4, _, 8]

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Answer: Row5[4]=4, Row4[4]=12, Row3[3]=20, Row1[1]=93, Row5[1]=5, Row5[2]=10, Row2[1]=51, Row4[1]=15

SubType
number-pyramid
Difficulty
hard
Levels
  • [93]
  • [51,42]
  • [29,22,20]
  • [15,14,8,12]
  • [5,10,4,4,8]
Base
  • 5
  • 10
  • 4
  • 4
  • 8
TopValue
93
HiddenCells
  • {"r":4,"c":3,"v":4}
  • {"r":3,"c":3,"v":12}
  • {"r":2,"c":2,"v":20}
  • {"r":0,"c":0,"v":93}
  • {"r":4,"c":0,"v":5}
  • {"r":4,"c":1,"v":10}
  • {"r":1,"c":0,"v":51}
  • {"r":3,"c":0,"v":15}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [105] → [_, _] → [24, _, _] → [14, 10, 14, _] → [_, 6, _, _, 9]

Show answer

Answer: Row5[4]=10, Row5[1]=8, Row4[4]=19, Row2[1]=48, Row5[3]=4, Row3[3]=33, Row3[2]=24, Row2[2]=57

SubType
number-pyramid
Difficulty
hard
Levels
  • [105]
  • [48,57]
  • [24,24,33]
  • [14,10,14,19]
  • [8,6,4,10,9]
Base
  • 8
  • 6
  • 4
  • 10
  • 9
TopValue
105
HiddenCells
  • {"r":4,"c":3,"v":10}
  • {"r":4,"c":0,"v":8}
  • {"r":3,"c":3,"v":19}
  • {"r":1,"c":0,"v":48}
  • {"r":4,"c":2,"v":4}
  • {"r":2,"c":2,"v":33}
  • {"r":2,"c":1,"v":24}
  • {"r":1,"c":1,"v":57}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [80] → [41, _] → [_, 18, _] → [_, _, 9, _] → [7, 7, _, 7, _]

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Answer: Row5[3]=2, Row3[1]=23, Row4[4]=12, Row5[5]=5, Row3[3]=21, Row2[2]=39, Row4[1]=14, Row4[2]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [80]
  • [41,39]
  • [23,18,21]
  • [14,9,9,12]
  • [7,7,2,7,5]
Base
  • 7
  • 7
  • 2
  • 7
  • 5
TopValue
80
HiddenCells
  • {"r":4,"c":2,"v":2}
  • {"r":2,"c":0,"v":23}
  • {"r":3,"c":3,"v":12}
  • {"r":4,"c":4,"v":5}
  • {"r":2,"c":2,"v":21}
  • {"r":1,"c":1,"v":39}
  • {"r":3,"c":0,"v":14}
  • {"r":3,"c":1,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [17, _, 28] → [8, _, _, 17] → [1, _, 2, 9, _]

Show answer

Answer: Row4[2]=9, Row2[1]=37, Row2[2]=48, Row5[2]=7, Row1[1]=85, Row3[2]=20, Row5[5]=8, Row4[3]=11

SubType
number-pyramid
Difficulty
hard
Levels
  • [85]
  • [37,48]
  • [17,20,28]
  • [8,9,11,17]
  • [1,7,2,9,8]
Base
  • 1
  • 7
  • 2
  • 9
  • 8
TopValue
85
HiddenCells
  • {"r":3,"c":1,"v":9}
  • {"r":1,"c":0,"v":37}
  • {"r":1,"c":1,"v":48}
  • {"r":4,"c":1,"v":7}
  • {"r":0,"c":0,"v":85}
  • {"r":2,"c":1,"v":20}
  • {"r":4,"c":4,"v":8}
  • {"r":3,"c":2,"v":11}