medium Set 30 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [39] → [16, 23] → [_, 11, 12] → [_, 4, _, _]

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Answer: Row4[1]=1, Row4[4]=5, Row4[3]=7, Row3[1]=5

SubType
number-pyramid
Difficulty
medium
Levels
  • [39]
  • [16,23]
  • [5,11,12]
  • [1,4,7,5]
Base
  • 1
  • 4
  • 7
  • 5
TopValue
39
HiddenCells
  • {"r":3,"c":0,"v":1}
  • {"r":3,"c":3,"v":5}
  • {"r":3,"c":2,"v":7}
  • {"r":2,"c":0,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [38] → [_, 19] → [7, _, 7] → [_, _, 6, 1]

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Answer: Row2[1]=19, Row3[2]=12, Row4[2]=6, Row4[1]=1

SubType
number-pyramid
Difficulty
medium
Levels
  • [38]
  • [19,19]
  • [7,12,7]
  • [1,6,6,1]
Base
  • 1
  • 6
  • 6
  • 1
TopValue
38
HiddenCells
  • {"r":1,"c":0,"v":19}
  • {"r":2,"c":1,"v":12}
  • {"r":3,"c":1,"v":6}
  • {"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): [55] → [30, 25] → [_, _, 9] → [4, _, 6, _]

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Answer: Row4[2]=10, Row3[1]=14, Row4[4]=3, Row3[2]=16

SubType
number-pyramid
Difficulty
medium
Levels
  • [55]
  • [30,25]
  • [14,16,9]
  • [4,10,6,3]
Base
  • 4
  • 10
  • 6
  • 3
TopValue
55
HiddenCells
  • {"r":3,"c":1,"v":10}
  • {"r":2,"c":0,"v":14}
  • {"r":3,"c":3,"v":3}
  • {"r":2,"c":1,"v":16}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [40] → [_, _] → [11, 9, _] → [_, 8, 1, 10]

Show answer

Answer: Row2[1]=20, Row3[3]=11, Row2[2]=20, Row4[1]=3

SubType
number-pyramid
Difficulty
medium
Levels
  • [40]
  • [20,20]
  • [11,9,11]
  • [3,8,1,10]
Base
  • 3
  • 8
  • 1
  • 10
TopValue
40
HiddenCells
  • {"r":1,"c":0,"v":20}
  • {"r":2,"c":2,"v":11}
  • {"r":1,"c":1,"v":20}
  • {"r":3,"c":0,"v":3}