medium Set 84 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [49] → [21, _] → [11, 10, 18] → [_, 2, _, _]

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Answer: Row4[4]=10, Row2[2]=28, Row4[1]=9, Row4[3]=8

SubType
number-pyramid
Difficulty
medium
Levels
  • [49]
  • [21,28]
  • [11,10,18]
  • [9,2,8,10]
Base
  • 9
  • 2
  • 8
  • 10
TopValue
49
HiddenCells
  • {"r":3,"c":3,"v":10}
  • {"r":1,"c":1,"v":28}
  • {"r":3,"c":0,"v":9}
  • {"r":3,"c":2,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [48] → [_, _] → [12, 12, _] → [8, 4, 8, _]

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Answer: Row2[2]=24, Row4[4]=4, Row2[1]=24, Row3[3]=12

SubType
number-pyramid
Difficulty
medium
Levels
  • [48]
  • [24,24]
  • [12,12,12]
  • [8,4,8,4]
Base
  • 8
  • 4
  • 8
  • 4
TopValue
48
HiddenCells
  • {"r":1,"c":1,"v":24}
  • {"r":3,"c":3,"v":4}
  • {"r":1,"c":0,"v":24}
  • {"r":2,"c":2,"v":12}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [20, _] → [_, _, 14] → [9, 2, 7, 7]

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Answer: Row2[2]=23, Row1[1]=43, Row3[2]=9, Row3[1]=11

SubType
number-pyramid
Difficulty
medium
Levels
  • [43]
  • [20,23]
  • [11,9,14]
  • [9,2,7,7]
Base
  • 9
  • 2
  • 7
  • 7
TopValue
43
HiddenCells
  • {"r":1,"c":1,"v":23}
  • {"r":0,"c":0,"v":43}
  • {"r":2,"c":1,"v":9}
  • {"r":2,"c":0,"v":11}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [29, _] → [13, 16, 17] → [5, 8, _, _]

Show answer

Answer: Row4[3]=8, Row1[1]=62, Row2[2]=33, Row4[4]=9

SubType
number-pyramid
Difficulty
medium
Levels
  • [62]
  • [29,33]
  • [13,16,17]
  • [5,8,8,9]
Base
  • 5
  • 8
  • 8
  • 9
TopValue
62
HiddenCells
  • {"r":3,"c":2,"v":8}
  • {"r":0,"c":0,"v":62}
  • {"r":1,"c":1,"v":33}
  • {"r":3,"c":3,"v":9}