medium Set 19 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [38] → [13, 25] → [_, _, _] → [_, 1, 10, 4]

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Answer: Row3[3]=14, Row3[1]=2, Row3[2]=11, Row4[1]=1

SubType
number-pyramid
Difficulty
medium
Levels
  • [38]
  • [13,25]
  • [2,11,14]
  • [1,1,10,4]
Base
  • 1
  • 1
  • 10
  • 4
TopValue
38
HiddenCells
  • {"r":2,"c":2,"v":14}
  • {"r":2,"c":0,"v":2}
  • {"r":2,"c":1,"v":11}
  • {"r":3,"c":0,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [52] → [26, _] → [_, 13, 13] → [_, 6, _, 6]

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Answer: Row2[2]=26, Row4[3]=7, Row3[1]=13, Row4[1]=7

SubType
number-pyramid
Difficulty
medium
Levels
  • [52]
  • [26,26]
  • [13,13,13]
  • [7,6,7,6]
Base
  • 7
  • 6
  • 7
  • 6
TopValue
52
HiddenCells
  • {"r":1,"c":1,"v":26}
  • {"r":3,"c":2,"v":7}
  • {"r":2,"c":0,"v":13}
  • {"r":3,"c":0,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [15, 22] → [5, _, _] → [4, 1, 9, _]

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Answer: Row3[2]=10, Row1[1]=37, Row3[3]=12, Row4[4]=3

SubType
number-pyramid
Difficulty
medium
Levels
  • [37]
  • [15,22]
  • [5,10,12]
  • [4,1,9,3]
Base
  • 4
  • 1
  • 9
  • 3
TopValue
37
HiddenCells
  • {"r":2,"c":1,"v":10}
  • {"r":0,"c":0,"v":37}
  • {"r":2,"c":2,"v":12}
  • {"r":3,"c":3,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [39] → [21, 18] → [11, 10, _] → [_, 3, _, _]

Show answer

Answer: Row4[3]=7, Row4[4]=1, Row3[3]=8, Row4[1]=8

SubType
number-pyramid
Difficulty
medium
Levels
  • [39]
  • [21,18]
  • [11,10,8]
  • [8,3,7,1]
Base
  • 8
  • 3
  • 7
  • 1
TopValue
39
HiddenCells
  • {"r":3,"c":2,"v":7}
  • {"r":3,"c":3,"v":1}
  • {"r":2,"c":2,"v":8}
  • {"r":3,"c":0,"v":8}