medium Set 30 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [31] → [_, 17] → [6, 8, _] → [1, _, _, 6]

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Answer: Row3[3]=9, Row4[3]=3, Row2[1]=14, Row4[2]=5

SubType
number-pyramid
Difficulty
medium
Levels
  • [31]
  • [14,17]
  • [6,8,9]
  • [1,5,3,6]
Base
  • 1
  • 5
  • 3
  • 6
TopValue
31
HiddenCells
  • {"r":2,"c":2,"v":9}
  • {"r":3,"c":2,"v":3}
  • {"r":1,"c":0,"v":14}
  • {"r":3,"c":1,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [26, 19] → [17, 9, 10] → [_, _, _, 9]

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Answer: Row1[1]=45, Row4[2]=8, Row4[1]=9, Row4[3]=1

SubType
number-pyramid
Difficulty
medium
Levels
  • [45]
  • [26,19]
  • [17,9,10]
  • [9,8,1,9]
Base
  • 9
  • 8
  • 1
  • 9
TopValue
45
HiddenCells
  • {"r":0,"c":0,"v":45}
  • {"r":3,"c":1,"v":8}
  • {"r":3,"c":0,"v":9}
  • {"r":3,"c":2,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [48] → [_, 17] → [_, _, 5] → [9, 10, 2, _]

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Answer: Row3[1]=19, Row3[2]=12, Row4[4]=3, Row2[1]=31

SubType
number-pyramid
Difficulty
medium
Levels
  • [48]
  • [31,17]
  • [19,12,5]
  • [9,10,2,3]
Base
  • 9
  • 10
  • 2
  • 3
TopValue
48
HiddenCells
  • {"r":2,"c":0,"v":19}
  • {"r":2,"c":1,"v":12}
  • {"r":3,"c":3,"v":3}
  • {"r":1,"c":0,"v":31}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [56] → [_, _] → [15, _, _] → [9, 6, 8, 5]

Show answer

Answer: Row2[2]=27, Row3[2]=14, Row2[1]=29, Row3[3]=13

SubType
number-pyramid
Difficulty
medium
Levels
  • [56]
  • [29,27]
  • [15,14,13]
  • [9,6,8,5]
Base
  • 9
  • 6
  • 8
  • 5
TopValue
56
HiddenCells
  • {"r":1,"c":1,"v":27}
  • {"r":2,"c":1,"v":14}
  • {"r":1,"c":0,"v":29}
  • {"r":2,"c":2,"v":13}