hard Set 72 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 42] → [20, 20, 22] → [10, _, 10, _] → [_, _, 2, _, _]

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Answer: Row4[2]=10, Row5[4]=8, Row2[1]=40, Row5[5]=4, Row5[2]=8, Row4[4]=12, Row1[1]=82, Row5[1]=2

SubType
number-pyramid
Difficulty
hard
Levels
  • [82]
  • [40,42]
  • [20,20,22]
  • [10,10,10,12]
  • [2,8,2,8,4]
Base
  • 2
  • 8
  • 2
  • 8
  • 4
TopValue
82
HiddenCells
  • {"r":3,"c":1,"v":10}
  • {"r":4,"c":3,"v":8}
  • {"r":1,"c":0,"v":40}
  • {"r":4,"c":4,"v":4}
  • {"r":4,"c":1,"v":8}
  • {"r":3,"c":3,"v":12}
  • {"r":0,"c":0,"v":82}
  • {"r":4,"c":0,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [20, 21] → [13, 7, _] → [9, _, 3, _] → [_, 3, _, _, _]

Show answer

Answer: Row5[5]=9, Row5[3]=1, Row5[1]=6, Row5[4]=2, Row3[3]=14, Row1[1]=41, Row4[4]=11, Row4[2]=4

SubType
number-pyramid
Difficulty
hard
Levels
  • [41]
  • [20,21]
  • [13,7,14]
  • [9,4,3,11]
  • [6,3,1,2,9]
Base
  • 6
  • 3
  • 1
  • 2
  • 9
TopValue
41
HiddenCells
  • {"r":4,"c":4,"v":9}
  • {"r":4,"c":2,"v":1}
  • {"r":4,"c":0,"v":6}
  • {"r":4,"c":3,"v":2}
  • {"r":2,"c":2,"v":14}
  • {"r":0,"c":0,"v":41}
  • {"r":3,"c":3,"v":11}
  • {"r":3,"c":1,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [75] → [_, 30] → [_, 18, _] → [_, 11, 7, 5] → [_, 7, _, _, _]

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Answer: Row4[1]=16, Row5[5]=2, Row3[1]=27, Row5[4]=3, Row5[3]=4, Row2[1]=45, Row5[1]=9, Row3[3]=12

SubType
number-pyramid
Difficulty
hard
Levels
  • [75]
  • [45,30]
  • [27,18,12]
  • [16,11,7,5]
  • [9,7,4,3,2]
Base
  • 9
  • 7
  • 4
  • 3
  • 2
TopValue
75
HiddenCells
  • {"r":3,"c":0,"v":16}
  • {"r":4,"c":4,"v":2}
  • {"r":2,"c":0,"v":27}
  • {"r":4,"c":3,"v":3}
  • {"r":4,"c":2,"v":4}
  • {"r":1,"c":0,"v":45}
  • {"r":4,"c":0,"v":9}
  • {"r":2,"c":2,"v":12}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [59] → [_, _] → [_, _, _] → [8, 8, _, 9] → [1, _, 1, 5, _]

Show answer

Answer: Row5[2]=7, Row4[3]=6, Row2[1]=30, Row3[3]=15, Row2[2]=29, Row3[2]=14, Row3[1]=16, Row5[5]=4

SubType
number-pyramid
Difficulty
hard
Levels
  • [59]
  • [30,29]
  • [16,14,15]
  • [8,8,6,9]
  • [1,7,1,5,4]
Base
  • 1
  • 7
  • 1
  • 5
  • 4
TopValue
59
HiddenCells
  • {"r":4,"c":1,"v":7}
  • {"r":3,"c":2,"v":6}
  • {"r":1,"c":0,"v":30}
  • {"r":2,"c":2,"v":15}
  • {"r":1,"c":1,"v":29}
  • {"r":2,"c":1,"v":14}
  • {"r":2,"c":0,"v":16}
  • {"r":4,"c":4,"v":4}