medium Set 53 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [11, _] → [5, _, 12] → [1, 4, _, 10]

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Answer: Row2[2]=18, Row1[1]=29, Row3[2]=6, Row4[3]=2

SubType
number-pyramid
Difficulty
medium
Levels
  • [29]
  • [11,18]
  • [5,6,12]
  • [1,4,2,10]
Base
  • 1
  • 4
  • 2
  • 10
TopValue
29
HiddenCells
  • {"r":1,"c":1,"v":18}
  • {"r":0,"c":0,"v":29}
  • {"r":2,"c":1,"v":6}
  • {"r":3,"c":2,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 20] → [9, 11, _] → [_, 5, 6, 3]

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Answer: Row4[1]=4, Row3[3]=9, Row2[1]=20, Row1[1]=40

SubType
number-pyramid
Difficulty
medium
Levels
  • [40]
  • [20,20]
  • [9,11,9]
  • [4,5,6,3]
Base
  • 4
  • 5
  • 6
  • 3
TopValue
40
HiddenCells
  • {"r":3,"c":0,"v":4}
  • {"r":2,"c":2,"v":9}
  • {"r":1,"c":0,"v":20}
  • {"r":0,"c":0,"v":40}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 36] → [_, 16, 20] → [10, _, 10, 10]

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Answer: Row1[1]=68, Row2[1]=32, Row3[1]=16, Row4[2]=6

SubType
number-pyramid
Difficulty
medium
Levels
  • [68]
  • [32,36]
  • [16,16,20]
  • [10,6,10,10]
Base
  • 10
  • 6
  • 10
  • 10
TopValue
68
HiddenCells
  • {"r":0,"c":0,"v":68}
  • {"r":1,"c":0,"v":32}
  • {"r":2,"c":0,"v":16}
  • {"r":3,"c":1,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [20] → [10, _] → [_, _, 5] → [1, _, 1, 4]

Show answer

Answer: Row3[1]=5, Row2[2]=10, Row3[2]=5, Row4[2]=4

SubType
number-pyramid
Difficulty
medium
Levels
  • [20]
  • [10,10]
  • [5,5,5]
  • [1,4,1,4]
Base
  • 1
  • 4
  • 1
  • 4
TopValue
20
HiddenCells
  • {"r":2,"c":0,"v":5}
  • {"r":1,"c":1,"v":10}
  • {"r":2,"c":1,"v":5}
  • {"r":3,"c":1,"v":4}