medium Set 25 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [18, 28] → [6, _, 16] → [_, 5, 7, _]

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Answer: Row1[1]=46, Row4[4]=9, Row3[2]=12, Row4[1]=1

SubType
number-pyramid
Difficulty
medium
Levels
  • [46]
  • [18,28]
  • [6,12,16]
  • [1,5,7,9]
Base
  • 1
  • 5
  • 7
  • 9
TopValue
46
HiddenCells
  • {"r":0,"c":0,"v":46}
  • {"r":3,"c":3,"v":9}
  • {"r":2,"c":1,"v":12}
  • {"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): [44] → [19, 25] → [8, _, 14] → [3, _, _, _]

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Answer: Row4[4]=8, Row4[3]=6, Row3[2]=11, Row4[2]=5

SubType
number-pyramid
Difficulty
medium
Levels
  • [44]
  • [19,25]
  • [8,11,14]
  • [3,5,6,8]
Base
  • 3
  • 5
  • 6
  • 8
TopValue
44
HiddenCells
  • {"r":3,"c":3,"v":8}
  • {"r":3,"c":2,"v":6}
  • {"r":2,"c":1,"v":11}
  • {"r":3,"c":1,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 13] → [11, 8, _] → [4, 7, _, 4]

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Answer: Row2[1]=19, Row1[1]=32, Row3[3]=5, Row4[3]=1

SubType
number-pyramid
Difficulty
medium
Levels
  • [32]
  • [19,13]
  • [11,8,5]
  • [4,7,1,4]
Base
  • 4
  • 7
  • 1
  • 4
TopValue
32
HiddenCells
  • {"r":1,"c":0,"v":19}
  • {"r":0,"c":0,"v":32}
  • {"r":2,"c":2,"v":5}
  • {"r":3,"c":2,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [34, 29] → [19, 15, 14] → [10, _, _, _]

Show answer

Answer: Row1[1]=63, Row4[3]=6, Row4[4]=8, Row4[2]=9

SubType
number-pyramid
Difficulty
medium
Levels
  • [63]
  • [34,29]
  • [19,15,14]
  • [10,9,6,8]
Base
  • 10
  • 9
  • 6
  • 8
TopValue
63
HiddenCells
  • {"r":0,"c":0,"v":63}
  • {"r":3,"c":2,"v":6}
  • {"r":3,"c":3,"v":8}
  • {"r":3,"c":1,"v":9}