hard Set 55 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [120] → [_, _] → [27, _, _] → [_, _, 16, _] → [7, 7, 6, 10, _]

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Answer: Row4[1]=14, Row3[2]=29, Row4[2]=13, Row2[2]=64, Row4[4]=19, Row3[3]=35, Row2[1]=56, Row5[5]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [120]
  • [56,64]
  • [27,29,35]
  • [14,13,16,19]
  • [7,7,6,10,9]
Base
  • 7
  • 7
  • 6
  • 10
  • 9
TopValue
120
HiddenCells
  • {"r":3,"c":0,"v":14}
  • {"r":2,"c":1,"v":29}
  • {"r":3,"c":1,"v":13}
  • {"r":1,"c":1,"v":64}
  • {"r":3,"c":3,"v":19}
  • {"r":2,"c":2,"v":35}
  • {"r":1,"c":0,"v":56}
  • {"r":4,"c":4,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [90] → [40, _] → [18, _, 28] → [_, _, 15, _] → [_, _, 5, 10, _]

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Answer: Row5[5]=3, Row5[1]=9, Row3[2]=22, Row4[1]=11, Row2[2]=50, Row4[4]=13, Row4[2]=7, Row5[2]=2

SubType
number-pyramid
Difficulty
hard
Levels
  • [90]
  • [40,50]
  • [18,22,28]
  • [11,7,15,13]
  • [9,2,5,10,3]
Base
  • 9
  • 2
  • 5
  • 10
  • 3
TopValue
90
HiddenCells
  • {"r":4,"c":4,"v":3}
  • {"r":4,"c":0,"v":9}
  • {"r":2,"c":1,"v":22}
  • {"r":3,"c":0,"v":11}
  • {"r":1,"c":1,"v":50}
  • {"r":3,"c":3,"v":13}
  • {"r":3,"c":1,"v":7}
  • {"r":4,"c":1,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [77] → [_, _] → [_, _, 10] → [13, 14, 6, _] → [_, 9, _, 1, _]

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Answer: Row2[2]=30, Row2[1]=47, Row5[5]=3, Row3[2]=20, Row3[1]=27, Row5[3]=5, Row5[1]=4, Row4[4]=4

SubType
number-pyramid
Difficulty
hard
Levels
  • [77]
  • [47,30]
  • [27,20,10]
  • [13,14,6,4]
  • [4,9,5,1,3]
Base
  • 4
  • 9
  • 5
  • 1
  • 3
TopValue
77
HiddenCells
  • {"r":1,"c":1,"v":30}
  • {"r":1,"c":0,"v":47}
  • {"r":4,"c":4,"v":3}
  • {"r":2,"c":1,"v":20}
  • {"r":2,"c":0,"v":27}
  • {"r":4,"c":2,"v":5}
  • {"r":4,"c":0,"v":4}
  • {"r":3,"c":3,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [101] → [51, 50] → [_, _, _] → [10, _, _, 7] → [_, 3, _, _, 2]

Show answer

Answer: Row3[1]=23, Row4[3]=15, Row4[2]=13, Row3[3]=22, Row5[4]=5, Row5[1]=7, Row5[3]=10, Row3[2]=28

SubType
number-pyramid
Difficulty
hard
Levels
  • [101]
  • [51,50]
  • [23,28,22]
  • [10,13,15,7]
  • [7,3,10,5,2]
Base
  • 7
  • 3
  • 10
  • 5
  • 2
TopValue
101
HiddenCells
  • {"r":2,"c":0,"v":23}
  • {"r":3,"c":2,"v":15}
  • {"r":3,"c":1,"v":13}
  • {"r":2,"c":2,"v":22}
  • {"r":4,"c":3,"v":5}
  • {"r":4,"c":0,"v":7}
  • {"r":4,"c":2,"v":10}
  • {"r":2,"c":1,"v":28}