hard Set 11 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [40, _] → [_, _, 19] → [10, 10, 10, _] → [_, _, 8, _, 7]

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Answer: Row5[1]=8, Row5[4]=2, Row1[1]=79, Row2[2]=39, Row3[1]=20, Row3[2]=20, Row5[2]=2, Row4[4]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [79]
  • [40,39]
  • [20,20,19]
  • [10,10,10,9]
  • [8,2,8,2,7]
Base
  • 8
  • 2
  • 8
  • 2
  • 7
TopValue
79
HiddenCells
  • {"r":4,"c":0,"v":8}
  • {"r":4,"c":3,"v":2}
  • {"r":0,"c":0,"v":79}
  • {"r":1,"c":1,"v":39}
  • {"r":2,"c":0,"v":20}
  • {"r":2,"c":1,"v":20}
  • {"r":4,"c":1,"v":2}
  • {"r":3,"c":3,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 55] → [29, _, 27] → [_, 13, 15, 12] → [_, _, 6, _, _]

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Answer: Row4[1]=16, Row3[2]=28, Row5[4]=9, Row5[1]=9, Row5[2]=7, Row2[1]=57, Row5[5]=3, Row1[1]=112

SubType
number-pyramid
Difficulty
hard
Levels
  • [112]
  • [57,55]
  • [29,28,27]
  • [16,13,15,12]
  • [9,7,6,9,3]
Base
  • 9
  • 7
  • 6
  • 9
  • 3
TopValue
112
HiddenCells
  • {"r":3,"c":0,"v":16}
  • {"r":2,"c":1,"v":28}
  • {"r":4,"c":3,"v":9}
  • {"r":4,"c":0,"v":9}
  • {"r":4,"c":1,"v":7}
  • {"r":1,"c":0,"v":57}
  • {"r":4,"c":4,"v":3}
  • {"r":0,"c":0,"v":112}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [71, 67] → [36, _, _] → [_, 19, 16, 16] → [_, _, _, _, 9]

Show answer

Answer: Row3[3]=32, Row5[3]=9, Row5[2]=10, Row5[1]=7, Row5[4]=7, Row4[1]=17, Row1[1]=138, Row3[2]=35

SubType
number-pyramid
Difficulty
hard
Levels
  • [138]
  • [71,67]
  • [36,35,32]
  • [17,19,16,16]
  • [7,10,9,7,9]
Base
  • 7
  • 10
  • 9
  • 7
  • 9
TopValue
138
HiddenCells
  • {"r":2,"c":2,"v":32}
  • {"r":4,"c":2,"v":9}
  • {"r":4,"c":1,"v":10}
  • {"r":4,"c":0,"v":7}
  • {"r":4,"c":3,"v":7}
  • {"r":3,"c":0,"v":17}
  • {"r":0,"c":0,"v":138}
  • {"r":2,"c":1,"v":35}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [74] → [39, 35] → [_, 17, _] → [_, _, _, 11] → [7, _, 5, _, _]

Show answer

Answer: Row3[1]=22, Row5[2]=5, Row3[3]=18, Row5[4]=2, Row4[1]=12, Row4[3]=7, Row4[2]=10, Row5[5]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [74]
  • [39,35]
  • [22,17,18]
  • [12,10,7,11]
  • [7,5,5,2,9]
Base
  • 7
  • 5
  • 5
  • 2
  • 9
TopValue
74
HiddenCells
  • {"r":2,"c":0,"v":22}
  • {"r":4,"c":1,"v":5}
  • {"r":2,"c":2,"v":18}
  • {"r":4,"c":3,"v":2}
  • {"r":3,"c":0,"v":12}
  • {"r":3,"c":2,"v":7}
  • {"r":3,"c":1,"v":10}
  • {"r":4,"c":4,"v":9}