medium Set 18 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 28] → [14, 15, _] → [_, 6, 9, 4]

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Answer: Row3[3]=13, Row2[1]=29, Row1[1]=57, Row4[1]=8

SubType
number-pyramid
Difficulty
medium
Levels
  • [57]
  • [29,28]
  • [14,15,13]
  • [8,6,9,4]
Base
  • 8
  • 6
  • 9
  • 4
TopValue
57
HiddenCells
  • {"r":2,"c":2,"v":13}
  • {"r":1,"c":0,"v":29}
  • {"r":0,"c":0,"v":57}
  • {"r":3,"c":0,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [21, _] → [10, _, 6] → [1, 9, _, 4]

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Answer: Row3[2]=11, Row1[1]=38, Row2[2]=17, Row4[3]=2

SubType
number-pyramid
Difficulty
medium
Levels
  • [38]
  • [21,17]
  • [10,11,6]
  • [1,9,2,4]
Base
  • 1
  • 9
  • 2
  • 4
TopValue
38
HiddenCells
  • {"r":2,"c":1,"v":11}
  • {"r":0,"c":0,"v":38}
  • {"r":1,"c":1,"v":17}
  • {"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): [42] → [20, _] → [_, 9, 13] → [_, _, 4, 9]

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Answer: Row2[2]=22, Row4[1]=6, Row3[1]=11, Row4[2]=5

SubType
number-pyramid
Difficulty
medium
Levels
  • [42]
  • [20,22]
  • [11,9,13]
  • [6,5,4,9]
Base
  • 6
  • 5
  • 4
  • 9
TopValue
42
HiddenCells
  • {"r":1,"c":1,"v":22}
  • {"r":3,"c":0,"v":6}
  • {"r":2,"c":0,"v":11}
  • {"r":3,"c":1,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [28] → [_, 10] → [_, _, 5] → [_, 4, 1, 4]

Show answer

Answer: Row2[1]=18, Row3[1]=13, Row4[1]=9, Row3[2]=5

SubType
number-pyramid
Difficulty
medium
Levels
  • [28]
  • [18,10]
  • [13,5,5]
  • [9,4,1,4]
Base
  • 9
  • 4
  • 1
  • 4
TopValue
28
HiddenCells
  • {"r":1,"c":0,"v":18}
  • {"r":2,"c":0,"v":13}
  • {"r":3,"c":0,"v":9}
  • {"r":2,"c":1,"v":5}