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): [81] → [_, 38] → [22, _, _] → [10, 12, _, 8] → [_, 7, _, _, _]

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Answer: Row3[2]=21, Row5[4]=4, Row2[1]=43, Row5[1]=3, Row5[5]=4, Row4[3]=9, Row3[3]=17, Row5[3]=5

SubType
number-pyramid
Difficulty
hard
Levels
  • [81]
  • [43,38]
  • [22,21,17]
  • [10,12,9,8]
  • [3,7,5,4,4]
Base
  • 3
  • 7
  • 5
  • 4
  • 4
TopValue
81
HiddenCells
  • {"r":2,"c":1,"v":21}
  • {"r":4,"c":3,"v":4}
  • {"r":1,"c":0,"v":43}
  • {"r":4,"c":0,"v":3}
  • {"r":4,"c":4,"v":4}
  • {"r":3,"c":2,"v":9}
  • {"r":2,"c":2,"v":17}
  • {"r":4,"c":2,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 47] → [_, _, _] → [17, _, _, _] → [8, 9, 2, 8, 8]

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Answer: Row3[2]=21, Row3[1]=28, Row4[2]=11, Row1[1]=96, Row4[3]=10, Row2[1]=49, Row4[4]=16, Row3[3]=26

SubType
number-pyramid
Difficulty
hard
Levels
  • [96]
  • [49,47]
  • [28,21,26]
  • [17,11,10,16]
  • [8,9,2,8,8]
Base
  • 8
  • 9
  • 2
  • 8
  • 8
TopValue
96
HiddenCells
  • {"r":2,"c":1,"v":21}
  • {"r":2,"c":0,"v":28}
  • {"r":3,"c":1,"v":11}
  • {"r":0,"c":0,"v":96}
  • {"r":3,"c":2,"v":10}
  • {"r":1,"c":0,"v":49}
  • {"r":3,"c":3,"v":16}
  • {"r":2,"c":2,"v":26}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [59, _] → [_, 32, _] → [12, _, _, _] → [4, _, 7, 10, 2]

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Answer: Row3[1]=27, Row4[3]=17, Row4[4]=12, Row1[1]=120, Row5[2]=8, Row2[2]=61, Row4[2]=15, Row3[3]=29

SubType
number-pyramid
Difficulty
hard
Levels
  • [120]
  • [59,61]
  • [27,32,29]
  • [12,15,17,12]
  • [4,8,7,10,2]
Base
  • 4
  • 8
  • 7
  • 10
  • 2
TopValue
120
HiddenCells
  • {"r":2,"c":0,"v":27}
  • {"r":3,"c":2,"v":17}
  • {"r":3,"c":3,"v":12}
  • {"r":0,"c":0,"v":120}
  • {"r":4,"c":1,"v":8}
  • {"r":1,"c":1,"v":61}
  • {"r":3,"c":1,"v":15}
  • {"r":2,"c":2,"v":29}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [39, _] → [26, 13, 11] → [_, _, 4, _] → [_, _, 2, 2, _]

Show answer

Answer: Row5[5]=5, Row5[2]=7, Row4[1]=17, Row4[4]=7, Row1[1]=63, Row2[2]=24, Row5[1]=10, Row4[2]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [63]
  • [39,24]
  • [26,13,11]
  • [17,9,4,7]
  • [10,7,2,2,5]
Base
  • 10
  • 7
  • 2
  • 2
  • 5
TopValue
63
HiddenCells
  • {"r":4,"c":4,"v":5}
  • {"r":4,"c":1,"v":7}
  • {"r":3,"c":0,"v":17}
  • {"r":3,"c":3,"v":7}
  • {"r":0,"c":0,"v":63}
  • {"r":1,"c":1,"v":24}
  • {"r":4,"c":0,"v":10}
  • {"r":3,"c":1,"v":9}