hard Set 65 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [92] → [_, _] → [25, _, _] → [_, _, 10, 13] → [_, 5, 7, 3, _]

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Answer: Row3[2]=22, Row2[1]=47, Row3[3]=23, Row4[1]=13, Row5[1]=8, Row4[2]=12, Row5[5]=10, Row2[2]=45

SubType
number-pyramid
Difficulty
hard
Levels
  • [92]
  • [47,45]
  • [25,22,23]
  • [13,12,10,13]
  • [8,5,7,3,10]
Base
  • 8
  • 5
  • 7
  • 3
  • 10
TopValue
92
HiddenCells
  • {"r":2,"c":1,"v":22}
  • {"r":1,"c":0,"v":47}
  • {"r":2,"c":2,"v":23}
  • {"r":3,"c":0,"v":13}
  • {"r":4,"c":0,"v":8}
  • {"r":3,"c":1,"v":12}
  • {"r":4,"c":4,"v":10}
  • {"r":1,"c":1,"v":45}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [58, 68] → [_, 35, _] → [_, _, _, 13] → [_, 5, _, 10, 3]

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Answer: Row4[1]=8, Row4[3]=20, Row3[3]=33, Row5[3]=10, Row1[1]=126, Row3[1]=23, Row4[2]=15, Row5[1]=3

SubType
number-pyramid
Difficulty
hard
Levels
  • [126]
  • [58,68]
  • [23,35,33]
  • [8,15,20,13]
  • [3,5,10,10,3]
Base
  • 3
  • 5
  • 10
  • 10
  • 3
TopValue
126
HiddenCells
  • {"r":3,"c":0,"v":8}
  • {"r":3,"c":2,"v":20}
  • {"r":2,"c":2,"v":33}
  • {"r":4,"c":2,"v":10}
  • {"r":0,"c":0,"v":126}
  • {"r":2,"c":0,"v":23}
  • {"r":3,"c":1,"v":15}
  • {"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): [_] → [45, 59] → [17, 28, _] → [_, _, 17, _] → [_, 2, 9, _, _]

Show answer

Answer: Row4[4]=14, Row5[5]=6, Row5[1]=4, Row4[1]=6, Row5[4]=8, Row3[3]=31, Row1[1]=104, Row4[2]=11

SubType
number-pyramid
Difficulty
hard
Levels
  • [104]
  • [45,59]
  • [17,28,31]
  • [6,11,17,14]
  • [4,2,9,8,6]
Base
  • 4
  • 2
  • 9
  • 8
  • 6
TopValue
104
HiddenCells
  • {"r":3,"c":3,"v":14}
  • {"r":4,"c":4,"v":6}
  • {"r":4,"c":0,"v":4}
  • {"r":3,"c":0,"v":6}
  • {"r":4,"c":3,"v":8}
  • {"r":2,"c":2,"v":31}
  • {"r":0,"c":0,"v":104}
  • {"r":3,"c":1,"v":11}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [99] → [53, _] → [_, _, 20] → [11, 16, _, _] → [3, _, 8, _, _]

Show answer

Answer: Row3[1]=27, Row3[2]=26, Row2[2]=46, Row5[4]=2, Row5[5]=8, Row4[3]=10, Row5[2]=8, Row4[4]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [99]
  • [53,46]
  • [27,26,20]
  • [11,16,10,10]
  • [3,8,8,2,8]
Base
  • 3
  • 8
  • 8
  • 2
  • 8
TopValue
99
HiddenCells
  • {"r":2,"c":0,"v":27}
  • {"r":2,"c":1,"v":26}
  • {"r":1,"c":1,"v":46}
  • {"r":4,"c":3,"v":2}
  • {"r":4,"c":4,"v":8}
  • {"r":3,"c":2,"v":10}
  • {"r":4,"c":1,"v":8}
  • {"r":3,"c":3,"v":10}