medium Set 18 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [50] → [20, 30] → [_, _, _] → [4, 3, _, 7]

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Answer: Row3[1]=7, Row3[3]=17, Row4[3]=10, Row3[2]=13

SubType
number-pyramid
Difficulty
medium
Levels
  • [50]
  • [20,30]
  • [7,13,17]
  • [4,3,10,7]
Base
  • 4
  • 3
  • 10
  • 7
TopValue
50
HiddenCells
  • {"r":2,"c":0,"v":7}
  • {"r":2,"c":2,"v":17}
  • {"r":3,"c":2,"v":10}
  • {"r":2,"c":1,"v":13}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [33] → [19, 14] → [10, 9, 5] → [_, _, _, _]

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Answer: Row4[3]=1, Row4[4]=4, Row4[1]=2, Row4[2]=8

SubType
number-pyramid
Difficulty
medium
Levels
  • [33]
  • [19,14]
  • [10,9,5]
  • [2,8,1,4]
Base
  • 2
  • 8
  • 1
  • 4
TopValue
33
HiddenCells
  • {"r":3,"c":2,"v":1}
  • {"r":3,"c":3,"v":4}
  • {"r":3,"c":0,"v":2}
  • {"r":3,"c":1,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [39] → [_, _] → [12, 10, _] → [_, 4, 6, 1]

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Answer: Row3[3]=7, Row2[1]=22, Row4[1]=8, Row2[2]=17

SubType
number-pyramid
Difficulty
medium
Levels
  • [39]
  • [22,17]
  • [12,10,7]
  • [8,4,6,1]
Base
  • 8
  • 4
  • 6
  • 1
TopValue
39
HiddenCells
  • {"r":2,"c":2,"v":7}
  • {"r":1,"c":0,"v":22}
  • {"r":3,"c":0,"v":8}
  • {"r":1,"c":1,"v":17}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [6, 8, 12] → [5, 1, _, 5]

Show answer

Answer: Row1[1]=34, Row4[3]=7, Row2[1]=14, Row2[2]=20

SubType
number-pyramid
Difficulty
medium
Levels
  • [34]
  • [14,20]
  • [6,8,12]
  • [5,1,7,5]
Base
  • 5
  • 1
  • 7
  • 5
TopValue
34
HiddenCells
  • {"r":0,"c":0,"v":34}
  • {"r":3,"c":2,"v":7}
  • {"r":1,"c":0,"v":14}
  • {"r":1,"c":1,"v":20}