medium Set 20 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 31] → [14, 15, _] → [9, 5, _, 6]

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Answer: Row2[1]=29, Row4[3]=10, Row1[1]=60, Row3[3]=16

SubType
number-pyramid
Difficulty
medium
Levels
  • [60]
  • [29,31]
  • [14,15,16]
  • [9,5,10,6]
Base
  • 9
  • 5
  • 10
  • 6
TopValue
60
HiddenCells
  • {"r":1,"c":0,"v":29}
  • {"r":3,"c":2,"v":10}
  • {"r":0,"c":0,"v":60}
  • {"r":2,"c":2,"v":16}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [37] → [26, 11] → [_, 9, 2] → [_, _, _, 1]

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Answer: Row4[3]=1, Row4[1]=9, Row4[2]=8, Row3[1]=17

SubType
number-pyramid
Difficulty
medium
Levels
  • [37]
  • [26,11]
  • [17,9,2]
  • [9,8,1,1]
Base
  • 9
  • 8
  • 1
  • 1
TopValue
37
HiddenCells
  • {"r":3,"c":2,"v":1}
  • {"r":3,"c":0,"v":9}
  • {"r":3,"c":1,"v":8}
  • {"r":2,"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): [_] → [25, _] → [_, 14, _] → [6, 5, 9, 1]

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Answer: Row1[1]=49, Row3[3]=10, Row3[1]=11, Row2[2]=24

SubType
number-pyramid
Difficulty
medium
Levels
  • [49]
  • [25,24]
  • [11,14,10]
  • [6,5,9,1]
Base
  • 6
  • 5
  • 9
  • 1
TopValue
49
HiddenCells
  • {"r":0,"c":0,"v":49}
  • {"r":2,"c":2,"v":10}
  • {"r":2,"c":0,"v":11}
  • {"r":1,"c":1,"v":24}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [50] → [_, 21] → [16, _, _] → [7, _, 4, 4]

Show answer

Answer: Row2[1]=29, Row3[2]=13, Row3[3]=8, Row4[2]=9

SubType
number-pyramid
Difficulty
medium
Levels
  • [50]
  • [29,21]
  • [16,13,8]
  • [7,9,4,4]
Base
  • 7
  • 9
  • 4
  • 4
TopValue
50
HiddenCells
  • {"r":1,"c":0,"v":29}
  • {"r":2,"c":1,"v":13}
  • {"r":2,"c":2,"v":8}
  • {"r":3,"c":1,"v":9}