medium Set 50 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [23, _] → [_, 14, 19] → [4, 5, 9, _]

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Answer: Row2[2]=33, Row3[1]=9, Row4[4]=10, Row1[1]=56

SubType
number-pyramid
Difficulty
medium
Levels
  • [56]
  • [23,33]
  • [9,14,19]
  • [4,5,9,10]
Base
  • 4
  • 5
  • 9
  • 10
TopValue
56
HiddenCells
  • {"r":1,"c":1,"v":33}
  • {"r":2,"c":0,"v":9}
  • {"r":3,"c":3,"v":10}
  • {"r":0,"c":0,"v":56}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 11] → [6, 3, 8] → [_, 1, _, 6]

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Answer: Row4[1]=5, Row4[3]=2, Row1[1]=20, Row2[1]=9

SubType
number-pyramid
Difficulty
medium
Levels
  • [20]
  • [9,11]
  • [6,3,8]
  • [5,1,2,6]
Base
  • 5
  • 1
  • 2
  • 6
TopValue
20
HiddenCells
  • {"r":3,"c":0,"v":5}
  • {"r":3,"c":2,"v":2}
  • {"r":0,"c":0,"v":20}
  • {"r":1,"c":0,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 31] → [16, _, 13] → [6, _, 8, 5]

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Answer: Row4[2]=10, Row2[1]=34, Row3[2]=18, Row1[1]=65

SubType
number-pyramid
Difficulty
medium
Levels
  • [65]
  • [34,31]
  • [16,18,13]
  • [6,10,8,5]
Base
  • 6
  • 10
  • 8
  • 5
TopValue
65
HiddenCells
  • {"r":3,"c":1,"v":10}
  • {"r":1,"c":0,"v":34}
  • {"r":2,"c":1,"v":18}
  • {"r":0,"c":0,"v":65}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [52] → [26, _] → [_, 13, 13] → [4, 9, _, _]

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Answer: Row4[4]=9, Row3[1]=13, Row4[3]=4, Row2[2]=26

SubType
number-pyramid
Difficulty
medium
Levels
  • [52]
  • [26,26]
  • [13,13,13]
  • [4,9,4,9]
Base
  • 4
  • 9
  • 4
  • 9
TopValue
52
HiddenCells
  • {"r":3,"c":3,"v":9}
  • {"r":2,"c":0,"v":13}
  • {"r":3,"c":2,"v":4}
  • {"r":1,"c":1,"v":26}