hard Set 100 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [105] → [51, _] → [_, 25, 29] → [_, 12, _, 16] → [_, _, _, _, 9]

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Answer: Row4[1]=14, Row5[4]=7, Row3[1]=26, Row5[3]=6, Row4[3]=13, Row2[2]=54, Row5[1]=8, Row5[2]=6

SubType
number-pyramid
Difficulty
hard
Levels
  • [105]
  • [51,54]
  • [26,25,29]
  • [14,12,13,16]
  • [8,6,6,7,9]
Base
  • 8
  • 6
  • 6
  • 7
  • 9
TopValue
105
HiddenCells
  • {"r":3,"c":0,"v":14}
  • {"r":4,"c":3,"v":7}
  • {"r":2,"c":0,"v":26}
  • {"r":4,"c":2,"v":6}
  • {"r":3,"c":2,"v":13}
  • {"r":1,"c":1,"v":54}
  • {"r":4,"c":0,"v":8}
  • {"r":4,"c":1,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [104] → [51, _] → [_, _, _] → [_, 13, 13, _] → [8, _, _, 4, 10]

Show answer

Answer: Row3[1]=25, Row3[3]=27, Row5[3]=9, Row4[1]=12, Row3[2]=26, Row4[4]=14, Row2[2]=53, Row5[2]=4

SubType
number-pyramid
Difficulty
hard
Levels
  • [104]
  • [51,53]
  • [25,26,27]
  • [12,13,13,14]
  • [8,4,9,4,10]
Base
  • 8
  • 4
  • 9
  • 4
  • 10
TopValue
104
HiddenCells
  • {"r":2,"c":0,"v":25}
  • {"r":2,"c":2,"v":27}
  • {"r":4,"c":2,"v":9}
  • {"r":3,"c":0,"v":12}
  • {"r":2,"c":1,"v":26}
  • {"r":3,"c":3,"v":14}
  • {"r":1,"c":1,"v":53}
  • {"r":4,"c":1,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [28, 20, 13] → [15, _, 7, _] → [5, _, _, _, 2]

Show answer

Answer: Row5[4]=4, Row4[4]=6, Row5[2]=10, Row2[2]=33, Row5[3]=3, Row4[2]=13, Row1[1]=81, Row2[1]=48

SubType
number-pyramid
Difficulty
hard
Levels
  • [81]
  • [48,33]
  • [28,20,13]
  • [15,13,7,6]
  • [5,10,3,4,2]
Base
  • 5
  • 10
  • 3
  • 4
  • 2
TopValue
81
HiddenCells
  • {"r":4,"c":3,"v":4}
  • {"r":3,"c":3,"v":6}
  • {"r":4,"c":1,"v":10}
  • {"r":1,"c":1,"v":33}
  • {"r":4,"c":2,"v":3}
  • {"r":3,"c":1,"v":13}
  • {"r":0,"c":0,"v":81}
  • {"r":1,"c":0,"v":48}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 63] → [_, 28, _] → [_, 12, _, _] → [10, 6, 6, 10, _]

Show answer

Answer: Row4[1]=16, Row5[5]=9, Row1[1]=119, Row2[1]=56, Row3[3]=35, Row3[1]=28, Row4[4]=19, Row4[3]=16

SubType
number-pyramid
Difficulty
hard
Levels
  • [119]
  • [56,63]
  • [28,28,35]
  • [16,12,16,19]
  • [10,6,6,10,9]
Base
  • 10
  • 6
  • 6
  • 10
  • 9
TopValue
119
HiddenCells
  • {"r":3,"c":0,"v":16}
  • {"r":4,"c":4,"v":9}
  • {"r":0,"c":0,"v":119}
  • {"r":1,"c":0,"v":56}
  • {"r":2,"c":2,"v":35}
  • {"r":2,"c":0,"v":28}
  • {"r":3,"c":3,"v":19}
  • {"r":3,"c":2,"v":16}