medium Set 45 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [31] → [16, _] → [_, 6, _] → [5, _, 1, 8]

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Answer: Row4[2]=5, Row3[3]=9, Row3[1]=10, Row2[2]=15

SubType
number-pyramid
Difficulty
medium
Levels
  • [31]
  • [16,15]
  • [10,6,9]
  • [5,5,1,8]
Base
  • 5
  • 5
  • 1
  • 8
TopValue
31
HiddenCells
  • {"r":3,"c":1,"v":5}
  • {"r":2,"c":2,"v":9}
  • {"r":2,"c":0,"v":10}
  • {"r":1,"c":1,"v":15}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [48] → [21, _] → [10, _, 16] → [7, _, 8, _]

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Answer: Row2[2]=27, Row4[2]=3, Row4[4]=8, Row3[2]=11

SubType
number-pyramid
Difficulty
medium
Levels
  • [48]
  • [21,27]
  • [10,11,16]
  • [7,3,8,8]
Base
  • 7
  • 3
  • 8
  • 8
TopValue
48
HiddenCells
  • {"r":1,"c":1,"v":27}
  • {"r":3,"c":1,"v":3}
  • {"r":3,"c":3,"v":8}
  • {"r":2,"c":1,"v":11}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [49] → [25, _] → [10, 15, _] → [2, _, 7, _]

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Answer: Row4[4]=2, Row4[2]=8, Row2[2]=24, Row3[3]=9

SubType
number-pyramid
Difficulty
medium
Levels
  • [49]
  • [25,24]
  • [10,15,9]
  • [2,8,7,2]
Base
  • 2
  • 8
  • 7
  • 2
TopValue
49
HiddenCells
  • {"r":3,"c":3,"v":2}
  • {"r":3,"c":1,"v":8}
  • {"r":1,"c":1,"v":24}
  • {"r":2,"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): [19] → [_, _] → [8, 4, 3] → [6, _, _, 1]

Show answer

Answer: Row4[3]=2, Row2[1]=12, Row4[2]=2, Row2[2]=7

SubType
number-pyramid
Difficulty
medium
Levels
  • [19]
  • [12,7]
  • [8,4,3]
  • [6,2,2,1]
Base
  • 6
  • 2
  • 2
  • 1
TopValue
19
HiddenCells
  • {"r":3,"c":2,"v":2}
  • {"r":1,"c":0,"v":12}
  • {"r":3,"c":1,"v":2}
  • {"r":1,"c":1,"v":7}