medium Set 100 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [11, _] → [9, 2, 8] → [_, _, 1, 7]

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Answer: Row1[1]=21, Row2[2]=10, Row4[2]=1, Row4[1]=8

SubType
number-pyramid
Difficulty
medium
Levels
  • [21]
  • [11,10]
  • [9,2,8]
  • [8,1,1,7]
Base
  • 8
  • 1
  • 1
  • 7
TopValue
21
HiddenCells
  • {"r":0,"c":0,"v":21}
  • {"r":1,"c":1,"v":10}
  • {"r":3,"c":1,"v":1}
  • {"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): [43] → [22, 21] → [_, 13, _] → [2, _, _, 2]

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Answer: Row3[1]=9, Row3[3]=8, Row4[3]=6, Row4[2]=7

SubType
number-pyramid
Difficulty
medium
Levels
  • [43]
  • [22,21]
  • [9,13,8]
  • [2,7,6,2]
Base
  • 2
  • 7
  • 6
  • 2
TopValue
43
HiddenCells
  • {"r":2,"c":0,"v":9}
  • {"r":2,"c":2,"v":8}
  • {"r":3,"c":2,"v":6}
  • {"r":3,"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): [53] → [_, _] → [10, 16, 11] → [3, _, _, 2]

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Answer: Row2[1]=26, Row4[3]=9, Row2[2]=27, Row4[2]=7

SubType
number-pyramid
Difficulty
medium
Levels
  • [53]
  • [26,27]
  • [10,16,11]
  • [3,7,9,2]
Base
  • 3
  • 7
  • 9
  • 2
TopValue
53
HiddenCells
  • {"r":1,"c":0,"v":26}
  • {"r":3,"c":2,"v":9}
  • {"r":1,"c":1,"v":27}
  • {"r":3,"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): [31] → [14, _] → [_, _, _] → [4, 4, 2, 9]

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Answer: Row3[3]=11, Row3[1]=8, Row3[2]=6, Row2[2]=17

SubType
number-pyramid
Difficulty
medium
Levels
  • [31]
  • [14,17]
  • [8,6,11]
  • [4,4,2,9]
Base
  • 4
  • 4
  • 2
  • 9
TopValue
31
HiddenCells
  • {"r":2,"c":2,"v":11}
  • {"r":2,"c":0,"v":8}
  • {"r":2,"c":1,"v":6}
  • {"r":1,"c":1,"v":17}