hard Set 41 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [44, _] → [_, 17, 17] → [17, _, _, _] → [9, 8, _, 5, _]

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Answer: Row5[5]=5, Row3[1]=27, Row4[3]=7, Row5[3]=2, Row2[2]=34, Row1[1]=78, Row4[2]=10, Row4[4]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [78]
  • [44,34]
  • [27,17,17]
  • [17,10,7,10]
  • [9,8,2,5,5]
Base
  • 9
  • 8
  • 2
  • 5
  • 5
TopValue
78
HiddenCells
  • {"r":4,"c":4,"v":5}
  • {"r":2,"c":0,"v":27}
  • {"r":3,"c":2,"v":7}
  • {"r":4,"c":2,"v":2}
  • {"r":1,"c":1,"v":34}
  • {"r":0,"c":0,"v":78}
  • {"r":3,"c":1,"v":10}
  • {"r":3,"c":3,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [63] → [_, 37] → [10, _, _] → [_, _, _, _] → [1, 2, 5, _, 8]

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Answer: Row3[3]=21, Row5[4]=4, Row4[1]=3, Row2[1]=26, Row4[4]=12, Row3[2]=16, Row4[2]=7, Row4[3]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [63]
  • [26,37]
  • [10,16,21]
  • [3,7,9,12]
  • [1,2,5,4,8]
Base
  • 1
  • 2
  • 5
  • 4
  • 8
TopValue
63
HiddenCells
  • {"r":2,"c":2,"v":21}
  • {"r":4,"c":3,"v":4}
  • {"r":3,"c":0,"v":3}
  • {"r":1,"c":0,"v":26}
  • {"r":3,"c":3,"v":12}
  • {"r":2,"c":1,"v":16}
  • {"r":3,"c":1,"v":7}
  • {"r":3,"c":2,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [123] → [_, _] → [_, _, 35] → [12, _, _, 18] → [_, 6, _, 9, 9]

Show answer

Answer: Row2[2]=66, Row5[1]=6, Row5[3]=8, Row2[1]=57, Row3[1]=26, Row4[2]=14, Row4[3]=17, Row3[2]=31

SubType
number-pyramid
Difficulty
hard
Levels
  • [123]
  • [57,66]
  • [26,31,35]
  • [12,14,17,18]
  • [6,6,8,9,9]
Base
  • 6
  • 6
  • 8
  • 9
  • 9
TopValue
123
HiddenCells
  • {"r":1,"c":1,"v":66}
  • {"r":4,"c":0,"v":6}
  • {"r":4,"c":2,"v":8}
  • {"r":1,"c":0,"v":57}
  • {"r":2,"c":0,"v":26}
  • {"r":3,"c":1,"v":14}
  • {"r":3,"c":2,"v":17}
  • {"r":2,"c":1,"v":31}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [40, _] → [_, _, 16] → [14, _, 6, _] → [8, _, 4, 2, _]

Show answer

Answer: Row4[4]=10, Row3[2]=16, Row5[5]=8, Row3[1]=24, Row1[1]=72, Row4[2]=10, Row2[2]=32, Row5[2]=6

SubType
number-pyramid
Difficulty
hard
Levels
  • [72]
  • [40,32]
  • [24,16,16]
  • [14,10,6,10]
  • [8,6,4,2,8]
Base
  • 8
  • 6
  • 4
  • 2
  • 8
TopValue
72
HiddenCells
  • {"r":3,"c":3,"v":10}
  • {"r":2,"c":1,"v":16}
  • {"r":4,"c":4,"v":8}
  • {"r":2,"c":0,"v":24}
  • {"r":0,"c":0,"v":72}
  • {"r":3,"c":1,"v":10}
  • {"r":1,"c":1,"v":32}
  • {"r":4,"c":1,"v":6}