hard Set 69 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [85] → [45, _] → [_, _, 15] → [_, 14, _, _] → [1, 5, 9, _, _]

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Answer: Row4[1]=6, Row5[5]=2, Row2[2]=40, Row3[1]=20, Row3[2]=25, Row5[4]=2, Row4[3]=11, Row4[4]=4

SubType
number-pyramid
Difficulty
hard
Levels
  • [85]
  • [45,40]
  • [20,25,15]
  • [6,14,11,4]
  • [1,5,9,2,2]
Base
  • 1
  • 5
  • 9
  • 2
  • 2
TopValue
85
HiddenCells
  • {"r":3,"c":0,"v":6}
  • {"r":4,"c":4,"v":2}
  • {"r":1,"c":1,"v":40}
  • {"r":2,"c":0,"v":20}
  • {"r":2,"c":1,"v":25}
  • {"r":4,"c":3,"v":2}
  • {"r":3,"c":2,"v":11}
  • {"r":3,"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): [72] → [32, 40] → [_, _, 22] → [_, 8, 10, _] → [_, _, _, _, 8]

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Answer: Row3[2]=18, Row5[3]=6, Row3[1]=14, Row5[4]=4, Row5[1]=4, Row5[2]=2, Row4[4]=12, Row4[1]=6

SubType
number-pyramid
Difficulty
hard
Levels
  • [72]
  • [32,40]
  • [14,18,22]
  • [6,8,10,12]
  • [4,2,6,4,8]
Base
  • 4
  • 2
  • 6
  • 4
  • 8
TopValue
72
HiddenCells
  • {"r":2,"c":1,"v":18}
  • {"r":4,"c":2,"v":6}
  • {"r":2,"c":0,"v":14}
  • {"r":4,"c":3,"v":4}
  • {"r":4,"c":0,"v":4}
  • {"r":4,"c":1,"v":2}
  • {"r":3,"c":3,"v":12}
  • {"r":3,"c":0,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [75] → [38, _] → [18, _, _] → [_, _, 10, _] → [6, 2, _, 2, _]

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Answer: Row4[1]=8, Row2[2]=37, Row4[2]=10, Row3[2]=20, Row5[5]=5, Row5[3]=8, Row3[3]=17, Row4[4]=7

SubType
number-pyramid
Difficulty
hard
Levels
  • [75]
  • [38,37]
  • [18,20,17]
  • [8,10,10,7]
  • [6,2,8,2,5]
Base
  • 6
  • 2
  • 8
  • 2
  • 5
TopValue
75
HiddenCells
  • {"r":3,"c":0,"v":8}
  • {"r":1,"c":1,"v":37}
  • {"r":3,"c":1,"v":10}
  • {"r":2,"c":1,"v":20}
  • {"r":4,"c":4,"v":5}
  • {"r":4,"c":2,"v":8}
  • {"r":2,"c":2,"v":17}
  • {"r":3,"c":3,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [41, _] → [15, 26, _] → [4, 11, _, _] → [_, 1, _, _, 4]

Show answer

Answer: Row4[3]=15, Row4[4]=9, Row1[1]=91, Row5[3]=10, Row5[4]=5, Row3[3]=24, Row2[2]=50, Row5[1]=3

SubType
number-pyramid
Difficulty
hard
Levels
  • [91]
  • [41,50]
  • [15,26,24]
  • [4,11,15,9]
  • [3,1,10,5,4]
Base
  • 3
  • 1
  • 10
  • 5
  • 4
TopValue
91
HiddenCells
  • {"r":3,"c":2,"v":15}
  • {"r":3,"c":3,"v":9}
  • {"r":0,"c":0,"v":91}
  • {"r":4,"c":2,"v":10}
  • {"r":4,"c":3,"v":5}
  • {"r":2,"c":2,"v":24}
  • {"r":1,"c":1,"v":50}
  • {"r":4,"c":0,"v":3}