medium Set 38 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [30] → [15, 15] → [_, _, 8] → [_, _, 5, 3]

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Answer: Row4[1]=6, Row3[1]=8, Row4[2]=2, Row3[2]=7

SubType
number-pyramid
Difficulty
medium
Levels
  • [30]
  • [15,15]
  • [8,7,8]
  • [6,2,5,3]
Base
  • 6
  • 2
  • 5
  • 3
TopValue
30
HiddenCells
  • {"r":3,"c":0,"v":6}
  • {"r":2,"c":0,"v":8}
  • {"r":3,"c":1,"v":2}
  • {"r":2,"c":1,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [32, _] → [14, _, 10] → [_, 9, 9, 1]

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Answer: Row4[1]=5, Row3[2]=18, Row1[1]=60, Row2[2]=28

SubType
number-pyramid
Difficulty
medium
Levels
  • [60]
  • [32,28]
  • [14,18,10]
  • [5,9,9,1]
Base
  • 5
  • 9
  • 9
  • 1
TopValue
60
HiddenCells
  • {"r":3,"c":0,"v":5}
  • {"r":2,"c":1,"v":18}
  • {"r":0,"c":0,"v":60}
  • {"r":1,"c":1,"v":28}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 37] → [12, 17, _] → [5, 7, 10, _]

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Answer: Row4[4]=10, Row3[3]=20, Row1[1]=66, Row2[1]=29

SubType
number-pyramid
Difficulty
medium
Levels
  • [66]
  • [29,37]
  • [12,17,20]
  • [5,7,10,10]
Base
  • 5
  • 7
  • 10
  • 10
TopValue
66
HiddenCells
  • {"r":3,"c":3,"v":10}
  • {"r":2,"c":2,"v":20}
  • {"r":0,"c":0,"v":66}
  • {"r":1,"c":0,"v":29}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [18, _] → [_, 9, 7] → [_, 7, 2, 5]

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Answer: Row4[1]=2, Row3[1]=9, Row1[1]=34, Row2[2]=16

SubType
number-pyramid
Difficulty
medium
Levels
  • [34]
  • [18,16]
  • [9,9,7]
  • [2,7,2,5]
Base
  • 2
  • 7
  • 2
  • 5
TopValue
34
HiddenCells
  • {"r":3,"c":0,"v":2}
  • {"r":2,"c":0,"v":9}
  • {"r":0,"c":0,"v":34}
  • {"r":1,"c":1,"v":16}