hard Set 87 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [104] → [_, 48] → [29, 27, _] → [_, _, _, _] → [4, _, 7, 4, _]

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Answer: Row3[3]=21, Row5[5]=6, Row4[1]=13, Row2[1]=56, Row4[4]=10, Row5[2]=9, Row4[2]=16, Row4[3]=11

SubType
number-pyramid
Difficulty
hard
Levels
  • [104]
  • [56,48]
  • [29,27,21]
  • [13,16,11,10]
  • [4,9,7,4,6]
Base
  • 4
  • 9
  • 7
  • 4
  • 6
TopValue
104
HiddenCells
  • {"r":2,"c":2,"v":21}
  • {"r":4,"c":4,"v":6}
  • {"r":3,"c":0,"v":13}
  • {"r":1,"c":0,"v":56}
  • {"r":3,"c":3,"v":10}
  • {"r":4,"c":1,"v":9}
  • {"r":3,"c":1,"v":16}
  • {"r":3,"c":2,"v":11}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [71] → [_, _] → [20, 17, 17] → [10, 10, _, _] → [_, _, _, _, 7]

Show answer

Answer: Row5[4]=3, Row2[1]=37, Row2[2]=34, Row4[3]=7, Row5[2]=6, Row5[3]=4, Row5[1]=4, Row4[4]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [71]
  • [37,34]
  • [20,17,17]
  • [10,10,7,10]
  • [4,6,4,3,7]
Base
  • 4
  • 6
  • 4
  • 3
  • 7
TopValue
71
HiddenCells
  • {"r":4,"c":3,"v":3}
  • {"r":1,"c":0,"v":37}
  • {"r":1,"c":1,"v":34}
  • {"r":3,"c":2,"v":7}
  • {"r":4,"c":1,"v":6}
  • {"r":4,"c":2,"v":4}
  • {"r":4,"c":0,"v":4}
  • {"r":3,"c":3,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [79] → [38, _] → [_, _, 20] → [7, _, 11, 9] → [6, _, _, _, _]

Show answer

Answer: Row3[1]=17, Row5[3]=9, Row3[2]=21, Row5[5]=7, Row2[2]=41, Row4[2]=10, Row5[4]=2, Row5[2]=1

SubType
number-pyramid
Difficulty
hard
Levels
  • [79]
  • [38,41]
  • [17,21,20]
  • [7,10,11,9]
  • [6,1,9,2,7]
Base
  • 6
  • 1
  • 9
  • 2
  • 7
TopValue
79
HiddenCells
  • {"r":2,"c":0,"v":17}
  • {"r":4,"c":2,"v":9}
  • {"r":2,"c":1,"v":21}
  • {"r":4,"c":4,"v":7}
  • {"r":1,"c":1,"v":41}
  • {"r":3,"c":1,"v":10}
  • {"r":4,"c":3,"v":2}
  • {"r":4,"c":1,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [23, 29] → [_, _, _] → [10, 3, 7, _] → [_, _, 1, 6, _]

Show answer

Answer: Row3[3]=19, Row5[1]=8, Row1[1]=52, Row5[2]=2, Row4[4]=12, Row3[1]=13, Row5[5]=6, Row3[2]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [52]
  • [23,29]
  • [13,10,19]
  • [10,3,7,12]
  • [8,2,1,6,6]
Base
  • 8
  • 2
  • 1
  • 6
  • 6
TopValue
52
HiddenCells
  • {"r":2,"c":2,"v":19}
  • {"r":4,"c":0,"v":8}
  • {"r":0,"c":0,"v":52}
  • {"r":4,"c":1,"v":2}
  • {"r":3,"c":3,"v":12}
  • {"r":2,"c":0,"v":13}
  • {"r":4,"c":4,"v":6}
  • {"r":2,"c":1,"v":10}