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): [47] → [23, _] → [13, _, 14] → [_, 6, 4, _]

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Answer: Row4[1]=7, Row3[2]=10, Row4[4]=10, Row2[2]=24

SubType
number-pyramid
Difficulty
medium
Levels
  • [47]
  • [23,24]
  • [13,10,14]
  • [7,6,4,10]
Base
  • 7
  • 6
  • 4
  • 10
TopValue
47
HiddenCells
  • {"r":3,"c":0,"v":7}
  • {"r":2,"c":1,"v":10}
  • {"r":3,"c":3,"v":10}
  • {"r":1,"c":1,"v":24}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [49] → [_, _] → [13, _, 8] → [5, _, 6, 2]

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Answer: Row2[1]=27, Row2[2]=22, Row4[2]=8, Row3[2]=14

SubType
number-pyramid
Difficulty
medium
Levels
  • [49]
  • [27,22]
  • [13,14,8]
  • [5,8,6,2]
Base
  • 5
  • 8
  • 6
  • 2
TopValue
49
HiddenCells
  • {"r":1,"c":0,"v":27}
  • {"r":1,"c":1,"v":22}
  • {"r":3,"c":1,"v":8}
  • {"r":2,"c":1,"v":14}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [39] → [23, _] → [14, _, _] → [10, _, 5, 2]

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Answer: Row3[3]=7, Row3[2]=9, Row4[2]=4, Row2[2]=16

SubType
number-pyramid
Difficulty
medium
Levels
  • [39]
  • [23,16]
  • [14,9,7]
  • [10,4,5,2]
Base
  • 10
  • 4
  • 5
  • 2
TopValue
39
HiddenCells
  • {"r":2,"c":2,"v":7}
  • {"r":2,"c":1,"v":9}
  • {"r":3,"c":1,"v":4}
  • {"r":1,"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): [_] → [27, 20] → [16, _, 9] → [7, 9, _, _]

Show answer

Answer: Row1[1]=47, Row4[3]=2, Row3[2]=11, Row4[4]=7

SubType
number-pyramid
Difficulty
medium
Levels
  • [47]
  • [27,20]
  • [16,11,9]
  • [7,9,2,7]
Base
  • 7
  • 9
  • 2
  • 7
TopValue
47
HiddenCells
  • {"r":0,"c":0,"v":47}
  • {"r":3,"c":2,"v":2}
  • {"r":2,"c":1,"v":11}
  • {"r":3,"c":3,"v":7}