hard Set 45 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [44, 44] → [_, 18, _] → [17, _, 9, _] → [_, _, 2, _, 10]

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Answer: Row5[1]=10, Row1[1]=88, Row4[4]=17, Row5[2]=7, Row3[1]=26, Row4[2]=9, Row3[3]=26, Row5[4]=7

SubType
number-pyramid
Difficulty
hard
Levels
  • [88]
  • [44,44]
  • [26,18,26]
  • [17,9,9,17]
  • [10,7,2,7,10]
Base
  • 10
  • 7
  • 2
  • 7
  • 10
TopValue
88
HiddenCells
  • {"r":4,"c":0,"v":10}
  • {"r":0,"c":0,"v":88}
  • {"r":3,"c":3,"v":17}
  • {"r":4,"c":1,"v":7}
  • {"r":2,"c":0,"v":26}
  • {"r":3,"c":1,"v":9}
  • {"r":2,"c":2,"v":26}
  • {"r":4,"c":3,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [38, _] → [_, 20, 22] → [7, _, _, _] → [1, _, 5, 4, _]

Show answer

Answer: Row4[2]=11, Row3[1]=18, Row5[2]=6, Row1[1]=80, Row2[2]=42, Row5[5]=9, Row4[3]=9, Row4[4]=13

SubType
number-pyramid
Difficulty
hard
Levels
  • [80]
  • [38,42]
  • [18,20,22]
  • [7,11,9,13]
  • [1,6,5,4,9]
Base
  • 1
  • 6
  • 5
  • 4
  • 9
TopValue
80
HiddenCells
  • {"r":3,"c":1,"v":11}
  • {"r":2,"c":0,"v":18}
  • {"r":4,"c":1,"v":6}
  • {"r":0,"c":0,"v":80}
  • {"r":1,"c":1,"v":42}
  • {"r":4,"c":4,"v":9}
  • {"r":3,"c":2,"v":9}
  • {"r":3,"c":3,"v":13}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [53, _] → [_, _, _] → [11, 14, _, _] → [5, 6, 8, 6, _]

Show answer

Answer: Row4[4]=10, Row1[1]=105, Row3[2]=28, Row3[1]=25, Row2[2]=52, Row5[5]=4, Row4[3]=14, Row3[3]=24

SubType
number-pyramid
Difficulty
hard
Levels
  • [105]
  • [53,52]
  • [25,28,24]
  • [11,14,14,10]
  • [5,6,8,6,4]
Base
  • 5
  • 6
  • 8
  • 6
  • 4
TopValue
105
HiddenCells
  • {"r":3,"c":3,"v":10}
  • {"r":0,"c":0,"v":105}
  • {"r":2,"c":1,"v":28}
  • {"r":2,"c":0,"v":25}
  • {"r":1,"c":1,"v":52}
  • {"r":4,"c":4,"v":4}
  • {"r":3,"c":2,"v":14}
  • {"r":2,"c":2,"v":24}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [54, 56] → [23, 31, _] → [8, _, _, 9] → [_, _, _, 8, _]

Show answer

Answer: Row5[1]=1, Row5[5]=1, Row3[3]=25, Row5[3]=8, Row4[3]=16, Row5[2]=7, Row4[2]=15, Row1[1]=110

SubType
number-pyramid
Difficulty
hard
Levels
  • [110]
  • [54,56]
  • [23,31,25]
  • [8,15,16,9]
  • [1,7,8,8,1]
Base
  • 1
  • 7
  • 8
  • 8
  • 1
TopValue
110
HiddenCells
  • {"r":4,"c":0,"v":1}
  • {"r":4,"c":4,"v":1}
  • {"r":2,"c":2,"v":25}
  • {"r":4,"c":2,"v":8}
  • {"r":3,"c":2,"v":16}
  • {"r":4,"c":1,"v":7}
  • {"r":3,"c":1,"v":15}
  • {"r":0,"c":0,"v":110}