hard Set 77 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [112] → [56, _] → [25, 31, _] → [8, 17, 14, _] → [_, _, _, _, _]

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Answer: Row5[1]=1, Row2[2]=56, Row5[4]=4, Row3[3]=25, Row5[2]=7, Row4[4]=11, Row5[3]=10, Row5[5]=7

SubType
number-pyramid
Difficulty
hard
Levels
  • [112]
  • [56,56]
  • [25,31,25]
  • [8,17,14,11]
  • [1,7,10,4,7]
Base
  • 1
  • 7
  • 10
  • 4
  • 7
TopValue
112
HiddenCells
  • {"r":4,"c":0,"v":1}
  • {"r":1,"c":1,"v":56}
  • {"r":4,"c":3,"v":4}
  • {"r":2,"c":2,"v":25}
  • {"r":4,"c":1,"v":7}
  • {"r":3,"c":3,"v":11}
  • {"r":4,"c":2,"v":10}
  • {"r":4,"c":4,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [68] → [27, 41] → [_, _, 26] → [7, _, 10, _] → [_, 4, _, _, _]

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Answer: Row3[2]=15, Row4[2]=5, Row5[1]=3, Row3[1]=12, Row5[4]=9, Row4[4]=16, Row5[3]=1, Row5[5]=7

SubType
number-pyramid
Difficulty
hard
Levels
  • [68]
  • [27,41]
  • [12,15,26]
  • [7,5,10,16]
  • [3,4,1,9,7]
Base
  • 3
  • 4
  • 1
  • 9
  • 7
TopValue
68
HiddenCells
  • {"r":2,"c":1,"v":15}
  • {"r":3,"c":1,"v":5}
  • {"r":4,"c":0,"v":3}
  • {"r":2,"c":0,"v":12}
  • {"r":4,"c":3,"v":9}
  • {"r":3,"c":3,"v":16}
  • {"r":4,"c":2,"v":1}
  • {"r":4,"c":4,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [71] → [31, 40] → [_, _, 22] → [_, _, 10, 12] → [_, 3, _, _, _]

Show answer

Answer: Row3[2]=18, Row3[1]=13, Row4[1]=5, Row5[3]=5, Row5[5]=7, Row4[2]=8, Row5[4]=5, Row5[1]=2

SubType
number-pyramid
Difficulty
hard
Levels
  • [71]
  • [31,40]
  • [13,18,22]
  • [5,8,10,12]
  • [2,3,5,5,7]
Base
  • 2
  • 3
  • 5
  • 5
  • 7
TopValue
71
HiddenCells
  • {"r":2,"c":1,"v":18}
  • {"r":2,"c":0,"v":13}
  • {"r":3,"c":0,"v":5}
  • {"r":4,"c":2,"v":5}
  • {"r":4,"c":4,"v":7}
  • {"r":3,"c":1,"v":8}
  • {"r":4,"c":3,"v":5}
  • {"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): [_] → [30, _] → [_, _, _] → [10, 7, _, 6] → [7, 3, _, 2, _]

Show answer

Answer: Row4[3]=6, Row5[3]=4, Row3[1]=17, Row5[5]=4, Row3[3]=12, Row3[2]=13, Row1[1]=55, Row2[2]=25

SubType
number-pyramid
Difficulty
hard
Levels
  • [55]
  • [30,25]
  • [17,13,12]
  • [10,7,6,6]
  • [7,3,4,2,4]
Base
  • 7
  • 3
  • 4
  • 2
  • 4
TopValue
55
HiddenCells
  • {"r":3,"c":2,"v":6}
  • {"r":4,"c":2,"v":4}
  • {"r":2,"c":0,"v":17}
  • {"r":4,"c":4,"v":4}
  • {"r":2,"c":2,"v":12}
  • {"r":2,"c":1,"v":13}
  • {"r":0,"c":0,"v":55}
  • {"r":1,"c":1,"v":25}