medium Set 64 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [68] → [35, _] → [17, 18, _] → [9, 8, _, _]

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Answer: Row2[2]=33, Row3[3]=15, Row4[3]=10, Row4[4]=5

SubType
number-pyramid
Difficulty
medium
Levels
  • [68]
  • [35,33]
  • [17,18,15]
  • [9,8,10,5]
Base
  • 9
  • 8
  • 10
  • 5
TopValue
68
HiddenCells
  • {"r":1,"c":1,"v":33}
  • {"r":2,"c":2,"v":15}
  • {"r":3,"c":2,"v":10}
  • {"r":3,"c":3,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [34] → [_, 20] → [_, 8, 12] → [_, 2, _, 6]

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Answer: Row2[1]=14, Row4[1]=4, Row4[3]=6, Row3[1]=6

SubType
number-pyramid
Difficulty
medium
Levels
  • [34]
  • [14,20]
  • [6,8,12]
  • [4,2,6,6]
Base
  • 4
  • 2
  • 6
  • 6
TopValue
34
HiddenCells
  • {"r":1,"c":0,"v":14}
  • {"r":3,"c":0,"v":4}
  • {"r":3,"c":2,"v":6}
  • {"r":2,"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): [61] → [31, _] → [15, 16, _] → [9, _, 10, _]

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Answer: Row3[3]=14, Row4[4]=4, Row4[2]=6, Row2[2]=30

SubType
number-pyramid
Difficulty
medium
Levels
  • [61]
  • [31,30]
  • [15,16,14]
  • [9,6,10,4]
Base
  • 9
  • 6
  • 10
  • 4
TopValue
61
HiddenCells
  • {"r":2,"c":2,"v":14}
  • {"r":3,"c":3,"v":4}
  • {"r":3,"c":1,"v":6}
  • {"r":1,"c":1,"v":30}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [47] → [_, _] → [12, _, 13] → [_, 2, 9, 4]

Show answer

Answer: Row4[1]=10, Row3[2]=11, Row2[2]=24, Row2[1]=23

SubType
number-pyramid
Difficulty
medium
Levels
  • [47]
  • [23,24]
  • [12,11,13]
  • [10,2,9,4]
Base
  • 10
  • 2
  • 9
  • 4
TopValue
47
HiddenCells
  • {"r":3,"c":0,"v":10}
  • {"r":2,"c":1,"v":11}
  • {"r":1,"c":1,"v":24}
  • {"r":1,"c":0,"v":23}