hard Set 16 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [111] → [_, _] → [_, 30, _] → [_, _, 16, _] → [2, 7, 7, 9, _]

Show answer

Answer: Row4[4]=12, Row4[2]=14, Row2[1]=53, Row2[2]=58, Row5[5]=3, Row3[1]=23, Row3[3]=28, Row4[1]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [111]
  • [53,58]
  • [23,30,28]
  • [9,14,16,12]
  • [2,7,7,9,3]
Base
  • 2
  • 7
  • 7
  • 9
  • 3
TopValue
111
HiddenCells
  • {"r":3,"c":3,"v":12}
  • {"r":3,"c":1,"v":14}
  • {"r":1,"c":0,"v":53}
  • {"r":1,"c":1,"v":58}
  • {"r":4,"c":4,"v":3}
  • {"r":2,"c":0,"v":23}
  • {"r":2,"c":2,"v":28}
  • {"r":3,"c":0,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [58] → [_, 36] → [9, _, 23] → [_, 3, 10, _] → [_, _, _, _, 5]

Show answer

Answer: Row5[2]=1, Row2[1]=22, Row4[1]=6, Row4[4]=13, Row3[2]=13, Row5[4]=8, Row5[3]=2, Row5[1]=5

SubType
number-pyramid
Difficulty
hard
Levels
  • [58]
  • [22,36]
  • [9,13,23]
  • [6,3,10,13]
  • [5,1,2,8,5]
Base
  • 5
  • 1
  • 2
  • 8
  • 5
TopValue
58
HiddenCells
  • {"r":4,"c":1,"v":1}
  • {"r":1,"c":0,"v":22}
  • {"r":3,"c":0,"v":6}
  • {"r":3,"c":3,"v":13}
  • {"r":2,"c":1,"v":13}
  • {"r":4,"c":3,"v":8}
  • {"r":4,"c":2,"v":2}
  • {"r":4,"c":0,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [17, 18, _] → [11, 6, _, 18] → [8, _, _, 9, _]

Show answer

Answer: Row5[3]=3, Row2[2]=48, Row1[1]=83, Row2[1]=35, Row5[5]=9, Row3[3]=30, Row4[3]=12, Row5[2]=3

SubType
number-pyramid
Difficulty
hard
Levels
  • [83]
  • [35,48]
  • [17,18,30]
  • [11,6,12,18]
  • [8,3,3,9,9]
Base
  • 8
  • 3
  • 3
  • 9
  • 9
TopValue
83
HiddenCells
  • {"r":4,"c":2,"v":3}
  • {"r":1,"c":1,"v":48}
  • {"r":0,"c":0,"v":83}
  • {"r":1,"c":0,"v":35}
  • {"r":4,"c":4,"v":9}
  • {"r":2,"c":2,"v":30}
  • {"r":3,"c":2,"v":12}
  • {"r":4,"c":1,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [30, _] → [12, _, 24] → [_, _, _, _] → [5, 1, 5, _, 5]

Show answer

Answer: Row4[4]=12, Row5[4]=7, Row2[2]=42, Row3[2]=18, Row4[1]=6, Row4[2]=6, Row1[1]=72, Row4[3]=12

SubType
number-pyramid
Difficulty
hard
Levels
  • [72]
  • [30,42]
  • [12,18,24]
  • [6,6,12,12]
  • [5,1,5,7,5]
Base
  • 5
  • 1
  • 5
  • 7
  • 5
TopValue
72
HiddenCells
  • {"r":3,"c":3,"v":12}
  • {"r":4,"c":3,"v":7}
  • {"r":1,"c":1,"v":42}
  • {"r":2,"c":1,"v":18}
  • {"r":3,"c":0,"v":6}
  • {"r":3,"c":1,"v":6}
  • {"r":0,"c":0,"v":72}
  • {"r":3,"c":2,"v":12}