hard Set 51 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [19, 22] → [_, _, _] → [6, 5, _, _] → [_, _, 2, 1, 10]

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Answer: Row3[2]=8, Row4[3]=3, Row3[3]=14, Row5[2]=3, Row3[1]=11, Row4[4]=11, Row1[1]=41, Row5[1]=3

SubType
number-pyramid
Difficulty
hard
Levels
  • [41]
  • [19,22]
  • [11,8,14]
  • [6,5,3,11]
  • [3,3,2,1,10]
Base
  • 3
  • 3
  • 2
  • 1
  • 10
TopValue
41
HiddenCells
  • {"r":2,"c":1,"v":8}
  • {"r":3,"c":2,"v":3}
  • {"r":2,"c":2,"v":14}
  • {"r":4,"c":1,"v":3}
  • {"r":2,"c":0,"v":11}
  • {"r":3,"c":3,"v":11}
  • {"r":0,"c":0,"v":41}
  • {"r":4,"c":0,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [39, _] → [_, 18, _] → [12, _, 9, _] → [10, _, 7, _, 3]

Show answer

Answer: Row4[4]=5, Row3[3]=14, Row5[2]=2, Row3[1]=21, Row2[2]=32, Row1[1]=71, Row4[2]=9, Row5[4]=2

SubType
number-pyramid
Difficulty
hard
Levels
  • [71]
  • [39,32]
  • [21,18,14]
  • [12,9,9,5]
  • [10,2,7,2,3]
Base
  • 10
  • 2
  • 7
  • 2
  • 3
TopValue
71
HiddenCells
  • {"r":3,"c":3,"v":5}
  • {"r":2,"c":2,"v":14}
  • {"r":4,"c":1,"v":2}
  • {"r":2,"c":0,"v":21}
  • {"r":1,"c":1,"v":32}
  • {"r":0,"c":0,"v":71}
  • {"r":3,"c":1,"v":9}
  • {"r":4,"c":3,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 34] → [_, 16, 18] → [6, _, _, 9] → [5, _, 6, _, _]

Show answer

Answer: Row5[5]=6, Row4[3]=9, Row5[2]=1, Row5[4]=3, Row4[2]=7, Row2[1]=29, Row1[1]=63, Row3[1]=13

SubType
number-pyramid
Difficulty
hard
Levels
  • [63]
  • [29,34]
  • [13,16,18]
  • [6,7,9,9]
  • [5,1,6,3,6]
Base
  • 5
  • 1
  • 6
  • 3
  • 6
TopValue
63
HiddenCells
  • {"r":4,"c":4,"v":6}
  • {"r":3,"c":2,"v":9}
  • {"r":4,"c":1,"v":1}
  • {"r":4,"c":3,"v":3}
  • {"r":3,"c":1,"v":7}
  • {"r":1,"c":0,"v":29}
  • {"r":0,"c":0,"v":63}
  • {"r":2,"c":0,"v":13}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [44] → [_, 21] → [_, 9, _] → [_, 5, _, 8] → [7, _, _, 1, _]

Show answer

Answer: Row3[3]=12, Row4[1]=9, Row2[1]=23, Row5[5]=7, Row4[3]=4, Row5[3]=3, Row5[2]=2, Row3[1]=14

SubType
number-pyramid
Difficulty
hard
Levels
  • [44]
  • [23,21]
  • [14,9,12]
  • [9,5,4,8]
  • [7,2,3,1,7]
Base
  • 7
  • 2
  • 3
  • 1
  • 7
TopValue
44
HiddenCells
  • {"r":2,"c":2,"v":12}
  • {"r":3,"c":0,"v":9}
  • {"r":1,"c":0,"v":23}
  • {"r":4,"c":4,"v":7}
  • {"r":3,"c":2,"v":4}
  • {"r":4,"c":2,"v":3}
  • {"r":4,"c":1,"v":2}
  • {"r":2,"c":0,"v":14}