hard Set 39 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [74] → [33, _] → [17, _, 25] → [_, 6, _, _] → [_, _, _, 7, 8]

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Answer: Row4[1]=11, Row4[3]=10, Row5[2]=3, Row3[2]=16, Row5[1]=8, Row2[2]=41, Row4[4]=15, Row5[3]=3

SubType
number-pyramid
Difficulty
hard
Levels
  • [74]
  • [33,41]
  • [17,16,25]
  • [11,6,10,15]
  • [8,3,3,7,8]
Base
  • 8
  • 3
  • 3
  • 7
  • 8
TopValue
74
HiddenCells
  • {"r":3,"c":0,"v":11}
  • {"r":3,"c":2,"v":10}
  • {"r":4,"c":1,"v":3}
  • {"r":2,"c":1,"v":16}
  • {"r":4,"c":0,"v":8}
  • {"r":1,"c":1,"v":41}
  • {"r":3,"c":3,"v":15}
  • {"r":4,"c":2,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [26, _] → [_, _, _] → [6, 7, 6, 12] → [_, _, _, 3, 9]

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Answer: Row3[2]=13, Row5[2]=4, Row3[3]=18, Row1[1]=57, Row5[3]=3, Row3[1]=13, Row2[2]=31, Row5[1]=2

SubType
number-pyramid
Difficulty
hard
Levels
  • [57]
  • [26,31]
  • [13,13,18]
  • [6,7,6,12]
  • [2,4,3,3,9]
Base
  • 2
  • 4
  • 3
  • 3
  • 9
TopValue
57
HiddenCells
  • {"r":2,"c":1,"v":13}
  • {"r":4,"c":1,"v":4}
  • {"r":2,"c":2,"v":18}
  • {"r":0,"c":0,"v":57}
  • {"r":4,"c":2,"v":3}
  • {"r":2,"c":0,"v":13}
  • {"r":1,"c":1,"v":31}
  • {"r":4,"c":0,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [_, 25, _] → [_, _, 13, 14] → [_, 3, 9, 4, 10]

Show answer

Answer: Row5[1]=1, Row2[1]=41, Row2[2]=52, Row3[3]=27, Row3[1]=16, Row1[1]=93, Row4[2]=12, Row4[1]=4

SubType
number-pyramid
Difficulty
hard
Levels
  • [93]
  • [41,52]
  • [16,25,27]
  • [4,12,13,14]
  • [1,3,9,4,10]
Base
  • 1
  • 3
  • 9
  • 4
  • 10
TopValue
93
HiddenCells
  • {"r":4,"c":0,"v":1}
  • {"r":1,"c":0,"v":41}
  • {"r":1,"c":1,"v":52}
  • {"r":2,"c":2,"v":27}
  • {"r":2,"c":0,"v":16}
  • {"r":0,"c":0,"v":93}
  • {"r":3,"c":1,"v":12}
  • {"r":3,"c":0,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [119] → [56, _] → [_, _, 32] → [10, _, _, _] → [_, 8, _, 9, 7]

Show answer

Answer: Row3[1]=25, Row3[2]=31, Row4[4]=16, Row4[2]=15, Row4[3]=16, Row5[3]=7, Row5[1]=2, Row2[2]=63

SubType
number-pyramid
Difficulty
hard
Levels
  • [119]
  • [56,63]
  • [25,31,32]
  • [10,15,16,16]
  • [2,8,7,9,7]
Base
  • 2
  • 8
  • 7
  • 9
  • 7
TopValue
119
HiddenCells
  • {"r":2,"c":0,"v":25}
  • {"r":2,"c":1,"v":31}
  • {"r":3,"c":3,"v":16}
  • {"r":3,"c":1,"v":15}
  • {"r":3,"c":2,"v":16}
  • {"r":4,"c":2,"v":7}
  • {"r":4,"c":0,"v":2}
  • {"r":1,"c":1,"v":63}