medium Set 27 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [68] → [_, _] → [17, 18, _] → [9, 8, 10, _]

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Answer: Row4[4]=5, Row2[2]=33, Row3[3]=15, Row2[1]=35

SubType
number-pyramid
Difficulty
medium
Levels
  • [68]
  • [35,33]
  • [17,18,15]
  • [9,8,10,5]
Base
  • 9
  • 8
  • 10
  • 5
TopValue
68
HiddenCells
  • {"r":3,"c":3,"v":5}
  • {"r":1,"c":1,"v":33}
  • {"r":2,"c":2,"v":15}
  • {"r":1,"c":0,"v":35}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [16, 30] → [_, _, _] → [4, 1, 10, 9]

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Answer: Row3[1]=5, Row3[3]=19, Row1[1]=46, Row3[2]=11

SubType
number-pyramid
Difficulty
medium
Levels
  • [46]
  • [16,30]
  • [5,11,19]
  • [4,1,10,9]
Base
  • 4
  • 1
  • 10
  • 9
TopValue
46
HiddenCells
  • {"r":2,"c":0,"v":5}
  • {"r":2,"c":2,"v":19}
  • {"r":0,"c":0,"v":46}
  • {"r":2,"c":1,"v":11}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [44] → [_, _] → [_, 11, 8] → [10, 4, 7, _]

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Answer: Row2[2]=19, Row2[1]=25, Row3[1]=14, Row4[4]=1

SubType
number-pyramid
Difficulty
medium
Levels
  • [44]
  • [25,19]
  • [14,11,8]
  • [10,4,7,1]
Base
  • 10
  • 4
  • 7
  • 1
TopValue
44
HiddenCells
  • {"r":1,"c":1,"v":19}
  • {"r":1,"c":0,"v":25}
  • {"r":2,"c":0,"v":14}
  • {"r":3,"c":3,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [31] → [16, _] → [7, 9, 6] → [2, _, _, _]

Show answer

Answer: Row4[3]=4, Row4[4]=2, Row4[2]=5, Row2[2]=15

SubType
number-pyramid
Difficulty
medium
Levels
  • [31]
  • [16,15]
  • [7,9,6]
  • [2,5,4,2]
Base
  • 2
  • 5
  • 4
  • 2
TopValue
31
HiddenCells
  • {"r":3,"c":2,"v":4}
  • {"r":3,"c":3,"v":2}
  • {"r":3,"c":1,"v":5}
  • {"r":1,"c":1,"v":15}