medium Set 89 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [41] → [16, 25] → [_, 9, _] → [_, 1, _, 8]

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Answer: Row4[1]=6, Row3[3]=16, Row4[3]=8, Row3[1]=7

SubType
number-pyramid
Difficulty
medium
Levels
  • [41]
  • [16,25]
  • [7,9,16]
  • [6,1,8,8]
Base
  • 6
  • 1
  • 8
  • 8
TopValue
41
HiddenCells
  • {"r":3,"c":0,"v":6}
  • {"r":2,"c":2,"v":16}
  • {"r":3,"c":2,"v":8}
  • {"r":2,"c":0,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [9, 5, 3] → [6, 3, _, 1]

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Answer: Row1[1]=22, Row2[2]=8, Row4[3]=2, Row2[1]=14

SubType
number-pyramid
Difficulty
medium
Levels
  • [22]
  • [14,8]
  • [9,5,3]
  • [6,3,2,1]
Base
  • 6
  • 3
  • 2
  • 1
TopValue
22
HiddenCells
  • {"r":0,"c":0,"v":22}
  • {"r":1,"c":1,"v":8}
  • {"r":3,"c":2,"v":2}
  • {"r":1,"c":0,"v":14}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [22, _] → [10, 12, 13] → [_, _, 4, 9]

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Answer: Row4[2]=8, Row1[1]=47, Row2[2]=25, Row4[1]=2

SubType
number-pyramid
Difficulty
medium
Levels
  • [47]
  • [22,25]
  • [10,12,13]
  • [2,8,4,9]
Base
  • 2
  • 8
  • 4
  • 9
TopValue
47
HiddenCells
  • {"r":3,"c":1,"v":8}
  • {"r":0,"c":0,"v":47}
  • {"r":1,"c":1,"v":25}
  • {"r":3,"c":0,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [48] → [23, 25] → [13, _, _] → [8, _, 5, _]

Show answer

Answer: Row4[2]=5, Row3[3]=15, Row3[2]=10, Row4[4]=10

SubType
number-pyramid
Difficulty
medium
Levels
  • [48]
  • [23,25]
  • [13,10,15]
  • [8,5,5,10]
Base
  • 8
  • 5
  • 5
  • 10
TopValue
48
HiddenCells
  • {"r":3,"c":1,"v":5}
  • {"r":2,"c":2,"v":15}
  • {"r":2,"c":1,"v":10}
  • {"r":3,"c":3,"v":10}