hard Set 84 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 39] → [_, _, 17] → [9, 11, 11, 6] → [_, _, _, 2, _]

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Answer: Row1[1]=81, Row5[5]=4, Row5[2]=2, Row5[1]=7, Row2[1]=42, Row3[2]=22, Row5[3]=9, Row3[1]=20

SubType
number-pyramid
Difficulty
hard
Levels
  • [81]
  • [42,39]
  • [20,22,17]
  • [9,11,11,6]
  • [7,2,9,2,4]
Base
  • 7
  • 2
  • 9
  • 2
  • 4
TopValue
81
HiddenCells
  • {"r":0,"c":0,"v":81}
  • {"r":4,"c":4,"v":4}
  • {"r":4,"c":1,"v":2}
  • {"r":4,"c":0,"v":7}
  • {"r":1,"c":0,"v":42}
  • {"r":2,"c":1,"v":22}
  • {"r":4,"c":2,"v":9}
  • {"r":2,"c":0,"v":20}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [58, _] → [30, 28, _] → [_, 13, _, 20] → [9, 8, _, _, _]

Show answer

Answer: Row2[2]=63, Row1[1]=121, Row4[1]=17, Row4[3]=15, Row3[3]=35, Row5[5]=10, Row5[4]=10, Row5[3]=5

SubType
number-pyramid
Difficulty
hard
Levels
  • [121]
  • [58,63]
  • [30,28,35]
  • [17,13,15,20]
  • [9,8,5,10,10]
Base
  • 9
  • 8
  • 5
  • 10
  • 10
TopValue
121
HiddenCells
  • {"r":1,"c":1,"v":63}
  • {"r":0,"c":0,"v":121}
  • {"r":3,"c":0,"v":17}
  • {"r":3,"c":2,"v":15}
  • {"r":2,"c":2,"v":35}
  • {"r":4,"c":4,"v":10}
  • {"r":4,"c":3,"v":10}
  • {"r":4,"c":2,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 33] → [21, 14, _] → [14, 7, _, _] → [9, _, _, 5, _]

Show answer

Answer: Row5[2]=5, Row1[1]=68, Row5[3]=2, Row4[4]=12, Row2[1]=35, Row3[3]=19, Row4[3]=7, Row5[5]=7

SubType
number-pyramid
Difficulty
hard
Levels
  • [68]
  • [35,33]
  • [21,14,19]
  • [14,7,7,12]
  • [9,5,2,5,7]
Base
  • 9
  • 5
  • 2
  • 5
  • 7
TopValue
68
HiddenCells
  • {"r":4,"c":1,"v":5}
  • {"r":0,"c":0,"v":68}
  • {"r":4,"c":2,"v":2}
  • {"r":3,"c":3,"v":12}
  • {"r":1,"c":0,"v":35}
  • {"r":2,"c":2,"v":19}
  • {"r":3,"c":2,"v":7}
  • {"r":4,"c":4,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [44] → [27, _] → [19, _, _] → [13, 6, _, 7] → [8, _, _, _, _]

Show answer

Answer: Row5[2]=5, Row5[5]=6, Row2[2]=17, Row4[3]=2, Row5[4]=1, Row3[3]=9, Row3[2]=8, Row5[3]=1

SubType
number-pyramid
Difficulty
hard
Levels
  • [44]
  • [27,17]
  • [19,8,9]
  • [13,6,2,7]
  • [8,5,1,1,6]
Base
  • 8
  • 5
  • 1
  • 1
  • 6
TopValue
44
HiddenCells
  • {"r":4,"c":1,"v":5}
  • {"r":4,"c":4,"v":6}
  • {"r":1,"c":1,"v":17}
  • {"r":3,"c":2,"v":2}
  • {"r":4,"c":3,"v":1}
  • {"r":2,"c":2,"v":9}
  • {"r":2,"c":1,"v":8}
  • {"r":4,"c":2,"v":1}