medium Set 25 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [40] → [18, _] → [_, 9, _] → [6, 3, 6, _]

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Answer: Row4[4]=7, Row3[1]=9, Row3[3]=13, Row2[2]=22

SubType
number-pyramid
Difficulty
medium
Levels
  • [40]
  • [18,22]
  • [9,9,13]
  • [6,3,6,7]
Base
  • 6
  • 3
  • 6
  • 7
TopValue
40
HiddenCells
  • {"r":3,"c":3,"v":7}
  • {"r":2,"c":0,"v":9}
  • {"r":2,"c":2,"v":13}
  • {"r":1,"c":1,"v":22}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [47] → [_, 22] → [_, _, 11] → [7, 7, 4, _]

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Answer: Row2[1]=25, Row4[4]=7, Row3[1]=14, Row3[2]=11

SubType
number-pyramid
Difficulty
medium
Levels
  • [47]
  • [25,22]
  • [14,11,11]
  • [7,7,4,7]
Base
  • 7
  • 7
  • 4
  • 7
TopValue
47
HiddenCells
  • {"r":1,"c":0,"v":25}
  • {"r":3,"c":3,"v":7}
  • {"r":2,"c":0,"v":14}
  • {"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): [35] → [18, _] → [_, _, 10] → [8, _, 4, 6]

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Answer: Row4[2]=3, Row3[2]=7, Row2[2]=17, Row3[1]=11

SubType
number-pyramid
Difficulty
medium
Levels
  • [35]
  • [18,17]
  • [11,7,10]
  • [8,3,4,6]
Base
  • 8
  • 3
  • 4
  • 6
TopValue
35
HiddenCells
  • {"r":3,"c":1,"v":3}
  • {"r":2,"c":1,"v":7}
  • {"r":1,"c":1,"v":17}
  • {"r":2,"c":0,"v":11}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [50] → [_, 29] → [_, 11, 18] → [8, 2, _, _]

Show answer

Answer: Row2[1]=21, Row4[3]=9, Row4[4]=9, Row3[1]=10

SubType
number-pyramid
Difficulty
medium
Levels
  • [50]
  • [21,29]
  • [10,11,18]
  • [8,2,9,9]
Base
  • 8
  • 2
  • 9
  • 9
TopValue
50
HiddenCells
  • {"r":1,"c":0,"v":21}
  • {"r":3,"c":2,"v":9}
  • {"r":3,"c":3,"v":9}
  • {"r":2,"c":0,"v":10}