hard Set 82 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [33, _] → [13, _, 26] → [5, 8, _, _] → [_, 1, _, _, 9]

Show answer

Answer: Row3[2]=20, Row4[3]=12, Row4[4]=14, Row2[2]=46, Row5[1]=4, Row5[4]=5, Row5[3]=7, Row1[1]=79

SubType
number-pyramid
Difficulty
hard
Levels
  • [79]
  • [33,46]
  • [13,20,26]
  • [5,8,12,14]
  • [4,1,7,5,9]
Base
  • 4
  • 1
  • 7
  • 5
  • 9
TopValue
79
HiddenCells
  • {"r":2,"c":1,"v":20}
  • {"r":3,"c":2,"v":12}
  • {"r":3,"c":3,"v":14}
  • {"r":1,"c":1,"v":46}
  • {"r":4,"c":0,"v":4}
  • {"r":4,"c":3,"v":5}
  • {"r":4,"c":2,"v":7}
  • {"r":0,"c":0,"v":79}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [102] → [46, _] → [_, _, _] → [6, 12, _, 12] → [_, 5, _, _, 3]

Show answer

Answer: Row5[1]=1, Row3[2]=28, Row3[3]=28, Row4[3]=16, Row3[1]=18, Row5[3]=7, Row5[4]=9, Row2[2]=56

SubType
number-pyramid
Difficulty
hard
Levels
  • [102]
  • [46,56]
  • [18,28,28]
  • [6,12,16,12]
  • [1,5,7,9,3]
Base
  • 1
  • 5
  • 7
  • 9
  • 3
TopValue
102
HiddenCells
  • {"r":4,"c":0,"v":1}
  • {"r":2,"c":1,"v":28}
  • {"r":2,"c":2,"v":28}
  • {"r":3,"c":2,"v":16}
  • {"r":2,"c":0,"v":18}
  • {"r":4,"c":2,"v":7}
  • {"r":4,"c":3,"v":9}
  • {"r":1,"c":1,"v":56}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [37, _] → [_, 22, _] → [_, 10, _, 14] → [_, _, 7, 5, 9]

Show answer

Answer: Row3[1]=15, Row4[3]=12, Row2[2]=48, Row1[1]=85, Row4[1]=5, Row3[3]=26, Row5[1]=2, Row5[2]=3

SubType
number-pyramid
Difficulty
hard
Levels
  • [85]
  • [37,48]
  • [15,22,26]
  • [5,10,12,14]
  • [2,3,7,5,9]
Base
  • 2
  • 3
  • 7
  • 5
  • 9
TopValue
85
HiddenCells
  • {"r":2,"c":0,"v":15}
  • {"r":3,"c":2,"v":12}
  • {"r":1,"c":1,"v":48}
  • {"r":0,"c":0,"v":85}
  • {"r":3,"c":0,"v":5}
  • {"r":2,"c":2,"v":26}
  • {"r":4,"c":0,"v":2}
  • {"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): [_] → [_, 16] → [_, 9, 7] → [8, _, 3, _] → [_, _, 1, 2, _]

Show answer

Answer: Row1[1]=39, Row5[2]=5, Row2[1]=23, Row3[1]=14, Row4[2]=6, Row5[1]=3, Row4[4]=4, Row5[5]=2

SubType
number-pyramid
Difficulty
hard
Levels
  • [39]
  • [23,16]
  • [14,9,7]
  • [8,6,3,4]
  • [3,5,1,2,2]
Base
  • 3
  • 5
  • 1
  • 2
  • 2
TopValue
39
HiddenCells
  • {"r":0,"c":0,"v":39}
  • {"r":4,"c":1,"v":5}
  • {"r":1,"c":0,"v":23}
  • {"r":2,"c":0,"v":14}
  • {"r":3,"c":1,"v":6}
  • {"r":4,"c":0,"v":3}
  • {"r":3,"c":3,"v":4}
  • {"r":4,"c":4,"v":2}