hard Set 75 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [49] → [_, 23] → [_, 12, 11] → [9, _, 7, _] → [_, _, 4, _, _]

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Answer: Row3[1]=14, Row2[1]=26, Row5[2]=1, Row5[1]=8, Row5[4]=3, Row4[4]=4, Row5[5]=1, Row4[2]=5

SubType
number-pyramid
Difficulty
hard
Levels
  • [49]
  • [26,23]
  • [14,12,11]
  • [9,5,7,4]
  • [8,1,4,3,1]
Base
  • 8
  • 1
  • 4
  • 3
  • 1
TopValue
49
HiddenCells
  • {"r":2,"c":0,"v":14}
  • {"r":1,"c":0,"v":26}
  • {"r":4,"c":1,"v":1}
  • {"r":4,"c":0,"v":8}
  • {"r":4,"c":3,"v":3}
  • {"r":3,"c":3,"v":4}
  • {"r":4,"c":4,"v":1}
  • {"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): [142] → [68, _] → [31, 37, 37] → [_, _, _, 19] → [_, _, _, _, 10]

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Answer: Row5[4]=9, Row5[3]=9, Row2[2]=74, Row4[2]=19, Row5[1]=2, Row4[3]=18, Row5[2]=10, Row4[1]=12

SubType
number-pyramid
Difficulty
hard
Levels
  • [142]
  • [68,74]
  • [31,37,37]
  • [12,19,18,19]
  • [2,10,9,9,10]
Base
  • 2
  • 10
  • 9
  • 9
  • 10
TopValue
142
HiddenCells
  • {"r":4,"c":3,"v":9}
  • {"r":4,"c":2,"v":9}
  • {"r":1,"c":1,"v":74}
  • {"r":3,"c":1,"v":19}
  • {"r":4,"c":0,"v":2}
  • {"r":3,"c":2,"v":18}
  • {"r":4,"c":1,"v":10}
  • {"r":3,"c":0,"v":12}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [107] → [_, _] → [35, _, 22] → [20, _, 10, _] → [10, _, _, _, 7]

Show answer

Answer: Row3[2]=25, Row5[4]=5, Row5[3]=5, Row2[1]=60, Row5[2]=10, Row4[4]=12, Row2[2]=47, Row4[2]=15

SubType
number-pyramid
Difficulty
hard
Levels
  • [107]
  • [60,47]
  • [35,25,22]
  • [20,15,10,12]
  • [10,10,5,5,7]
Base
  • 10
  • 10
  • 5
  • 5
  • 7
TopValue
107
HiddenCells
  • {"r":2,"c":1,"v":25}
  • {"r":4,"c":3,"v":5}
  • {"r":4,"c":2,"v":5}
  • {"r":1,"c":0,"v":60}
  • {"r":4,"c":1,"v":10}
  • {"r":3,"c":3,"v":12}
  • {"r":1,"c":1,"v":47}
  • {"r":3,"c":1,"v":15}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [78] → [31, 47] → [12, _, _] → [_, _, 13, _] → [_, _, 3, _, 5]

Show answer

Answer: Row3[3]=28, Row4[4]=15, Row4[1]=6, Row4[2]=6, Row5[4]=10, Row5[2]=3, Row3[2]=19, Row5[1]=3

SubType
number-pyramid
Difficulty
hard
Levels
  • [78]
  • [31,47]
  • [12,19,28]
  • [6,6,13,15]
  • [3,3,3,10,5]
Base
  • 3
  • 3
  • 3
  • 10
  • 5
TopValue
78
HiddenCells
  • {"r":2,"c":2,"v":28}
  • {"r":3,"c":3,"v":15}
  • {"r":3,"c":0,"v":6}
  • {"r":3,"c":1,"v":6}
  • {"r":4,"c":3,"v":10}
  • {"r":4,"c":1,"v":3}
  • {"r":2,"c":1,"v":19}
  • {"r":4,"c":0,"v":3}