medium Set 39 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [20, 24] → [8, _, _] → [1, 7, _, 7]

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Answer: Row4[3]=5, Row3[3]=12, Row3[2]=12, Row1[1]=44

SubType
number-pyramid
Difficulty
medium
Levels
  • [44]
  • [20,24]
  • [8,12,12]
  • [1,7,5,7]
Base
  • 1
  • 7
  • 5
  • 7
TopValue
44
HiddenCells
  • {"r":3,"c":2,"v":5}
  • {"r":2,"c":2,"v":12}
  • {"r":2,"c":1,"v":12}
  • {"r":0,"c":0,"v":44}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [36] → [12, 24] → [_, _, _] → [1, 1, _, 5]

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Answer: Row3[1]=2, Row3[2]=10, Row3[3]=14, Row4[3]=9

SubType
number-pyramid
Difficulty
medium
Levels
  • [36]
  • [12,24]
  • [2,10,14]
  • [1,1,9,5]
Base
  • 1
  • 1
  • 9
  • 5
TopValue
36
HiddenCells
  • {"r":2,"c":0,"v":2}
  • {"r":2,"c":1,"v":10}
  • {"r":2,"c":2,"v":14}
  • {"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): [_] → [31, 21] → [_, 14, 7] → [7, _, 4, _]

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Answer: Row4[4]=3, Row3[1]=17, Row4[2]=10, Row1[1]=52

SubType
number-pyramid
Difficulty
medium
Levels
  • [52]
  • [31,21]
  • [17,14,7]
  • [7,10,4,3]
Base
  • 7
  • 10
  • 4
  • 3
TopValue
52
HiddenCells
  • {"r":3,"c":3,"v":3}
  • {"r":2,"c":0,"v":17}
  • {"r":3,"c":1,"v":10}
  • {"r":0,"c":0,"v":52}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [51] → [_, 28] → [11, _, _] → [5, _, 6, 10]

Show answer

Answer: Row4[2]=6, Row2[1]=23, Row3[3]=16, Row3[2]=12

SubType
number-pyramid
Difficulty
medium
Levels
  • [51]
  • [23,28]
  • [11,12,16]
  • [5,6,6,10]
Base
  • 5
  • 6
  • 6
  • 10
TopValue
51
HiddenCells
  • {"r":3,"c":1,"v":6}
  • {"r":1,"c":0,"v":23}
  • {"r":2,"c":2,"v":16}
  • {"r":2,"c":1,"v":12}