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): [39] → [_, 26] → [3, _, _] → [_, 1, 9, 7]

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Answer: Row2[1]=13, Row3[3]=16, Row4[1]=2, Row3[2]=10

SubType
number-pyramid
Difficulty
medium
Levels
  • [39]
  • [13,26]
  • [3,10,16]
  • [2,1,9,7]
Base
  • 2
  • 1
  • 9
  • 7
TopValue
39
HiddenCells
  • {"r":1,"c":0,"v":13}
  • {"r":2,"c":2,"v":16}
  • {"r":3,"c":0,"v":2}
  • {"r":2,"c":1,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [42] → [_, _] → [11, _, 9] → [8, _, 8, 1]

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Answer: Row2[2]=20, Row4[2]=3, Row3[2]=11, Row2[1]=22

SubType
number-pyramid
Difficulty
medium
Levels
  • [42]
  • [22,20]
  • [11,11,9]
  • [8,3,8,1]
Base
  • 8
  • 3
  • 8
  • 1
TopValue
42
HiddenCells
  • {"r":1,"c":1,"v":20}
  • {"r":3,"c":1,"v":3}
  • {"r":2,"c":1,"v":11}
  • {"r":1,"c":0,"v":22}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [47] → [18, _] → [_, 11, _] → [4, _, 8, 10]

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Answer: Row3[1]=7, Row4[2]=3, Row2[2]=29, Row3[3]=18

SubType
number-pyramid
Difficulty
medium
Levels
  • [47]
  • [18,29]
  • [7,11,18]
  • [4,3,8,10]
Base
  • 4
  • 3
  • 8
  • 10
TopValue
47
HiddenCells
  • {"r":2,"c":0,"v":7}
  • {"r":3,"c":1,"v":3}
  • {"r":1,"c":1,"v":29}
  • {"r":2,"c":2,"v":18}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [33] → [16, _] → [11, _, 12] → [_, _, 4, 8]

Show answer

Answer: Row3[2]=5, Row4[1]=10, Row4[2]=1, Row2[2]=17

SubType
number-pyramid
Difficulty
medium
Levels
  • [33]
  • [16,17]
  • [11,5,12]
  • [10,1,4,8]
Base
  • 10
  • 1
  • 4
  • 8
TopValue
33
HiddenCells
  • {"r":2,"c":1,"v":5}
  • {"r":3,"c":0,"v":10}
  • {"r":3,"c":1,"v":1}
  • {"r":1,"c":1,"v":17}