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] → [13, _] → [_, 7, _] → [1, 5, _, 6]

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Answer: Row3[3]=8, Row3[1]=6, Row4[3]=2, Row2[2]=15

SubType
number-pyramid
Difficulty
medium
Levels
  • [28]
  • [13,15]
  • [6,7,8]
  • [1,5,2,6]
Base
  • 1
  • 5
  • 2
  • 6
TopValue
28
HiddenCells
  • {"r":2,"c":2,"v":8}
  • {"r":2,"c":0,"v":6}
  • {"r":3,"c":2,"v":2}
  • {"r":1,"c":1,"v":15}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [34, _] → [_, 20, 16] → [_, 10, 10, 6]

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Answer: Row4[1]=4, Row2[2]=36, Row1[1]=70, Row3[1]=14

SubType
number-pyramid
Difficulty
medium
Levels
  • [70]
  • [34,36]
  • [14,20,16]
  • [4,10,10,6]
Base
  • 4
  • 10
  • 10
  • 6
TopValue
70
HiddenCells
  • {"r":3,"c":0,"v":4}
  • {"r":1,"c":1,"v":36}
  • {"r":0,"c":0,"v":70}
  • {"r":2,"c":0,"v":14}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [27, 18] → [_, 13, _] → [4, _, 3, 2]

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Answer: Row1[1]=45, Row4[2]=10, Row3[1]=14, Row3[3]=5

SubType
number-pyramid
Difficulty
medium
Levels
  • [45]
  • [27,18]
  • [14,13,5]
  • [4,10,3,2]
Base
  • 4
  • 10
  • 3
  • 2
TopValue
45
HiddenCells
  • {"r":0,"c":0,"v":45}
  • {"r":3,"c":1,"v":10}
  • {"r":2,"c":0,"v":14}
  • {"r":2,"c":2,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [14, 19] → [_, _, _] → [6, 2, 4, 9]

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Answer: Row3[2]=6, Row3[1]=8, Row3[3]=13, Row1[1]=33

SubType
number-pyramid
Difficulty
medium
Levels
  • [33]
  • [14,19]
  • [8,6,13]
  • [6,2,4,9]
Base
  • 6
  • 2
  • 4
  • 9
TopValue
33
HiddenCells
  • {"r":2,"c":1,"v":6}
  • {"r":2,"c":0,"v":8}
  • {"r":2,"c":2,"v":13}
  • {"r":0,"c":0,"v":33}