hard Set 65 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 28] → [_, _, _] → [11, _, 6, _] → [2, _, 5, 1, 1]

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Answer: Row1[1]=73, Row3[2]=20, Row3[3]=8, Row4[2]=14, Row3[1]=25, Row4[4]=2, Row2[1]=45, Row5[2]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [73]
  • [45,28]
  • [25,20,8]
  • [11,14,6,2]
  • [2,9,5,1,1]
Base
  • 2
  • 9
  • 5
  • 1
  • 1
TopValue
73
HiddenCells
  • {"r":0,"c":0,"v":73}
  • {"r":2,"c":1,"v":20}
  • {"r":2,"c":2,"v":8}
  • {"r":3,"c":1,"v":14}
  • {"r":2,"c":0,"v":25}
  • {"r":3,"c":3,"v":2}
  • {"r":1,"c":0,"v":45}
  • {"r":4,"c":1,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [129] → [_, 58] → [37, _, _] → [_, 20, _, _] → [_, 10, 10, _, 6]

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Answer: Row3[3]=24, Row2[1]=71, Row4[1]=17, Row5[4]=4, Row4[3]=14, Row5[1]=7, Row4[4]=10, Row3[2]=34

SubType
number-pyramid
Difficulty
hard
Levels
  • [129]
  • [71,58]
  • [37,34,24]
  • [17,20,14,10]
  • [7,10,10,4,6]
Base
  • 7
  • 10
  • 10
  • 4
  • 6
TopValue
129
HiddenCells
  • {"r":2,"c":2,"v":24}
  • {"r":1,"c":0,"v":71}
  • {"r":3,"c":0,"v":17}
  • {"r":4,"c":3,"v":4}
  • {"r":3,"c":2,"v":14}
  • {"r":4,"c":0,"v":7}
  • {"r":3,"c":3,"v":10}
  • {"r":2,"c":1,"v":34}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [15, 16, _] → [_, _, _, 9] → [6, 2, 5, 4, _]

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Answer: Row2[2]=34, Row3[3]=18, Row1[1]=65, Row5[5]=5, Row4[2]=7, Row4[3]=9, Row4[1]=8, Row2[1]=31

SubType
number-pyramid
Difficulty
hard
Levels
  • [65]
  • [31,34]
  • [15,16,18]
  • [8,7,9,9]
  • [6,2,5,4,5]
Base
  • 6
  • 2
  • 5
  • 4
  • 5
TopValue
65
HiddenCells
  • {"r":1,"c":1,"v":34}
  • {"r":2,"c":2,"v":18}
  • {"r":0,"c":0,"v":65}
  • {"r":4,"c":4,"v":5}
  • {"r":3,"c":1,"v":7}
  • {"r":3,"c":2,"v":9}
  • {"r":3,"c":0,"v":8}
  • {"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): [70] → [_, 33] → [20, 17, _] → [_, 8, _, _] → [_, 5, _, _, 1]

Show answer

Answer: Row4[3]=9, Row5[1]=7, Row4[4]=7, Row2[1]=37, Row3[3]=16, Row4[1]=12, Row5[3]=3, Row5[4]=6

SubType
number-pyramid
Difficulty
hard
Levels
  • [70]
  • [37,33]
  • [20,17,16]
  • [12,8,9,7]
  • [7,5,3,6,1]
Base
  • 7
  • 5
  • 3
  • 6
  • 1
TopValue
70
HiddenCells
  • {"r":3,"c":2,"v":9}
  • {"r":4,"c":0,"v":7}
  • {"r":3,"c":3,"v":7}
  • {"r":1,"c":0,"v":37}
  • {"r":2,"c":2,"v":16}
  • {"r":3,"c":0,"v":12}
  • {"r":4,"c":2,"v":3}
  • {"r":4,"c":3,"v":6}