medium Set 24 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [11, _] → [9, 2, 7] → [_, _, 1, 6]

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Answer: Row4[2]=1, Row2[2]=9, Row1[1]=20, Row4[1]=8

SubType
number-pyramid
Difficulty
medium
Levels
  • [20]
  • [11,9]
  • [9,2,7]
  • [8,1,1,6]
Base
  • 8
  • 1
  • 1
  • 6
TopValue
20
HiddenCells
  • {"r":3,"c":1,"v":1}
  • {"r":1,"c":1,"v":9}
  • {"r":0,"c":0,"v":20}
  • {"r":3,"c":0,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [55] → [_, _] → [20, 12, 11] → [_, _, 2, 9]

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Answer: Row4[2]=10, Row4[1]=10, Row2[1]=32, Row2[2]=23

SubType
number-pyramid
Difficulty
medium
Levels
  • [55]
  • [32,23]
  • [20,12,11]
  • [10,10,2,9]
Base
  • 10
  • 10
  • 2
  • 9
TopValue
55
HiddenCells
  • {"r":3,"c":1,"v":10}
  • {"r":3,"c":0,"v":10}
  • {"r":1,"c":0,"v":32}
  • {"r":1,"c":1,"v":23}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [30] → [_, _] → [_, 5, 7] → [9, 4, 1, _]

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Answer: Row4[4]=6, Row3[1]=13, Row2[1]=18, Row2[2]=12

SubType
number-pyramid
Difficulty
medium
Levels
  • [30]
  • [18,12]
  • [13,5,7]
  • [9,4,1,6]
Base
  • 9
  • 4
  • 1
  • 6
TopValue
30
HiddenCells
  • {"r":3,"c":3,"v":6}
  • {"r":2,"c":0,"v":13}
  • {"r":1,"c":0,"v":18}
  • {"r":1,"c":1,"v":12}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [9, 13] → [7, 2, _] → [6, 1, _, _]

Show answer

Answer: Row4[4]=10, Row3[3]=11, Row4[3]=1, Row1[1]=22

SubType
number-pyramid
Difficulty
medium
Levels
  • [22]
  • [9,13]
  • [7,2,11]
  • [6,1,1,10]
Base
  • 6
  • 1
  • 1
  • 10
TopValue
22
HiddenCells
  • {"r":3,"c":3,"v":10}
  • {"r":2,"c":2,"v":11}
  • {"r":3,"c":2,"v":1}
  • {"r":0,"c":0,"v":22}