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): [84] → [_, 42] → [_, 21, _] → [11, 10, _, 10] → [_, _, _, _, 5]

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Answer: Row3[3]=21, Row5[4]=5, Row5[1]=7, Row5[2]=4, Row2[1]=42, Row4[3]=11, Row5[3]=6, Row3[1]=21

SubType
number-pyramid
Difficulty
hard
Levels
  • [84]
  • [42,42]
  • [21,21,21]
  • [11,10,11,10]
  • [7,4,6,5,5]
Base
  • 7
  • 4
  • 6
  • 5
  • 5
TopValue
84
HiddenCells
  • {"r":2,"c":2,"v":21}
  • {"r":4,"c":3,"v":5}
  • {"r":4,"c":0,"v":7}
  • {"r":4,"c":1,"v":4}
  • {"r":1,"c":0,"v":42}
  • {"r":3,"c":2,"v":11}
  • {"r":4,"c":2,"v":6}
  • {"r":2,"c":0,"v":21}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [115] → [55, _] → [_, 30, 30] → [_, 15, _, 15] → [_, _, _, 9, _]

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Answer: Row2[2]=60, Row5[2]=9, Row5[3]=6, Row3[1]=25, Row5[5]=6, Row5[1]=1, Row4[1]=10, Row4[3]=15

SubType
number-pyramid
Difficulty
hard
Levels
  • [115]
  • [55,60]
  • [25,30,30]
  • [10,15,15,15]
  • [1,9,6,9,6]
Base
  • 1
  • 9
  • 6
  • 9
  • 6
TopValue
115
HiddenCells
  • {"r":1,"c":1,"v":60}
  • {"r":4,"c":1,"v":9}
  • {"r":4,"c":2,"v":6}
  • {"r":2,"c":0,"v":25}
  • {"r":4,"c":4,"v":6}
  • {"r":4,"c":0,"v":1}
  • {"r":3,"c":0,"v":10}
  • {"r":3,"c":2,"v":15}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [26, 19] → [_, 9, 10] → [_, _, _, _] → [_, 3, 1, _, 1]

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Answer: Row4[4]=5, Row5[1]=10, Row4[1]=13, Row1[1]=45, Row4[3]=5, Row4[2]=4, Row3[1]=17, Row5[4]=4

SubType
number-pyramid
Difficulty
hard
Levels
  • [45]
  • [26,19]
  • [17,9,10]
  • [13,4,5,5]
  • [10,3,1,4,1]
Base
  • 10
  • 3
  • 1
  • 4
  • 1
TopValue
45
HiddenCells
  • {"r":3,"c":3,"v":5}
  • {"r":4,"c":0,"v":10}
  • {"r":3,"c":0,"v":13}
  • {"r":0,"c":0,"v":45}
  • {"r":3,"c":2,"v":5}
  • {"r":3,"c":1,"v":4}
  • {"r":2,"c":0,"v":17}
  • {"r":4,"c":3,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [82] → [42, 40] → [_, 21, _] → [10, _, _, _] → [_, 2, 9, _, _]

Show answer

Answer: Row5[4]=1, Row3[3]=19, Row4[3]=10, Row4[2]=11, Row4[4]=9, Row3[1]=21, Row5[5]=8, Row5[1]=8

SubType
number-pyramid
Difficulty
hard
Levels
  • [82]
  • [42,40]
  • [21,21,19]
  • [10,11,10,9]
  • [8,2,9,1,8]
Base
  • 8
  • 2
  • 9
  • 1
  • 8
TopValue
82
HiddenCells
  • {"r":4,"c":3,"v":1}
  • {"r":2,"c":2,"v":19}
  • {"r":3,"c":2,"v":10}
  • {"r":3,"c":1,"v":11}
  • {"r":3,"c":3,"v":9}
  • {"r":2,"c":0,"v":21}
  • {"r":4,"c":4,"v":8}
  • {"r":4,"c":0,"v":8}