medium Set 43 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 29] → [_, 15, _] → [3, 8, 7, 7]

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Answer: Row1[1]=55, Row3[1]=11, Row2[1]=26, Row3[3]=14

SubType
number-pyramid
Difficulty
medium
Levels
  • [55]
  • [26,29]
  • [11,15,14]
  • [3,8,7,7]
Base
  • 3
  • 8
  • 7
  • 7
TopValue
55
HiddenCells
  • {"r":0,"c":0,"v":55}
  • {"r":2,"c":0,"v":11}
  • {"r":1,"c":0,"v":26}
  • {"r":2,"c":2,"v":14}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [52] → [28, 24] → [14, 14, _] → [_, 9, _, _]

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Answer: Row4[1]=5, Row4[3]=5, Row3[3]=10, Row4[4]=5

SubType
number-pyramid
Difficulty
medium
Levels
  • [52]
  • [28,24]
  • [14,14,10]
  • [5,9,5,5]
Base
  • 5
  • 9
  • 5
  • 5
TopValue
52
HiddenCells
  • {"r":3,"c":0,"v":5}
  • {"r":3,"c":2,"v":5}
  • {"r":2,"c":2,"v":10}
  • {"r":3,"c":3,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [31] → [_, _] → [10, 7, _] → [9, 1, _, 1]

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Answer: Row2[2]=14, Row4[3]=6, Row3[3]=7, Row2[1]=17

SubType
number-pyramid
Difficulty
medium
Levels
  • [31]
  • [17,14]
  • [10,7,7]
  • [9,1,6,1]
Base
  • 9
  • 1
  • 6
  • 1
TopValue
31
HiddenCells
  • {"r":1,"c":1,"v":14}
  • {"r":3,"c":2,"v":6}
  • {"r":2,"c":2,"v":7}
  • {"r":1,"c":0,"v":17}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [43] → [_, _] → [_, 11, 9] → [5, _, 4, 5]

Show answer

Answer: Row4[2]=7, Row2[1]=23, Row3[1]=12, Row2[2]=20

SubType
number-pyramid
Difficulty
medium
Levels
  • [43]
  • [23,20]
  • [12,11,9]
  • [5,7,4,5]
Base
  • 5
  • 7
  • 4
  • 5
TopValue
43
HiddenCells
  • {"r":3,"c":1,"v":7}
  • {"r":1,"c":0,"v":23}
  • {"r":2,"c":0,"v":12}
  • {"r":1,"c":1,"v":20}