hard Set 41 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [55, 63] → [22, _, _] → [_, 15, _, 12] → [2, _, 10, _, _]

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Answer: Row3[2]=33, Row5[5]=4, Row5[4]=8, Row4[1]=7, Row1[1]=118, Row3[3]=30, Row5[2]=5, Row4[3]=18

SubType
number-pyramid
Difficulty
hard
Levels
  • [118]
  • [55,63]
  • [22,33,30]
  • [7,15,18,12]
  • [2,5,10,8,4]
Base
  • 2
  • 5
  • 10
  • 8
  • 4
TopValue
118
HiddenCells
  • {"r":2,"c":1,"v":33}
  • {"r":4,"c":4,"v":4}
  • {"r":4,"c":3,"v":8}
  • {"r":3,"c":0,"v":7}
  • {"r":0,"c":0,"v":118}
  • {"r":2,"c":2,"v":30}
  • {"r":4,"c":1,"v":5}
  • {"r":3,"c":2,"v":18}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [46, 52] → [_, 26, 26] → [8, _, _, 12] → [_, _, 7, _, _]

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Answer: Row5[1]=3, Row5[2]=5, Row1[1]=98, Row3[1]=20, Row4[3]=14, Row4[2]=12, Row5[4]=7, Row5[5]=5

SubType
number-pyramid
Difficulty
hard
Levels
  • [98]
  • [46,52]
  • [20,26,26]
  • [8,12,14,12]
  • [3,5,7,7,5]
Base
  • 3
  • 5
  • 7
  • 7
  • 5
TopValue
98
HiddenCells
  • {"r":4,"c":0,"v":3}
  • {"r":4,"c":1,"v":5}
  • {"r":0,"c":0,"v":98}
  • {"r":2,"c":0,"v":20}
  • {"r":3,"c":2,"v":14}
  • {"r":3,"c":1,"v":12}
  • {"r":4,"c":3,"v":7}
  • {"r":4,"c":4,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [73] → [_, 41] → [_, _, _] → [6, _, _, 10] → [4, 2, _, 7, _]

Show answer

Answer: Row4[3]=12, Row3[1]=13, Row5[3]=5, Row3[2]=19, Row4[2]=7, Row3[3]=22, Row2[1]=32, Row5[5]=3

SubType
number-pyramid
Difficulty
hard
Levels
  • [73]
  • [32,41]
  • [13,19,22]
  • [6,7,12,10]
  • [4,2,5,7,3]
Base
  • 4
  • 2
  • 5
  • 7
  • 3
TopValue
73
HiddenCells
  • {"r":3,"c":2,"v":12}
  • {"r":2,"c":0,"v":13}
  • {"r":4,"c":2,"v":5}
  • {"r":2,"c":1,"v":19}
  • {"r":3,"c":1,"v":7}
  • {"r":2,"c":2,"v":22}
  • {"r":1,"c":0,"v":32}
  • {"r":4,"c":4,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [90] → [50, 40] → [29, _, 19] → [_, _, _, _] → [_, 10, _, _, 3]

Show answer

Answer: Row4[3]=9, Row4[4]=10, Row5[3]=2, Row4[1]=17, Row4[2]=12, Row3[2]=21, Row5[4]=7, Row5[1]=7

SubType
number-pyramid
Difficulty
hard
Levels
  • [90]
  • [50,40]
  • [29,21,19]
  • [17,12,9,10]
  • [7,10,2,7,3]
Base
  • 7
  • 10
  • 2
  • 7
  • 3
TopValue
90
HiddenCells
  • {"r":3,"c":2,"v":9}
  • {"r":3,"c":3,"v":10}
  • {"r":4,"c":2,"v":2}
  • {"r":3,"c":0,"v":17}
  • {"r":3,"c":1,"v":12}
  • {"r":2,"c":1,"v":21}
  • {"r":4,"c":3,"v":7}
  • {"r":4,"c":0,"v":7}