hard Set 38 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [15, 22] → [9, _, _] → [_, _, 4, 12] → [6, _, _, 3, _]

Show answer

Answer: Row4[2]=2, Row5[5]=9, Row3[3]=16, Row5[3]=1, Row1[1]=37, Row4[1]=7, Row5[2]=1, Row3[2]=6

SubType
number-pyramid
Difficulty
hard
Levels
  • [37]
  • [15,22]
  • [9,6,16]
  • [7,2,4,12]
  • [6,1,1,3,9]
Base
  • 6
  • 1
  • 1
  • 3
  • 9
TopValue
37
HiddenCells
  • {"r":3,"c":1,"v":2}
  • {"r":4,"c":4,"v":9}
  • {"r":2,"c":2,"v":16}
  • {"r":4,"c":2,"v":1}
  • {"r":0,"c":0,"v":37}
  • {"r":3,"c":0,"v":7}
  • {"r":4,"c":1,"v":1}
  • {"r":2,"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): [_] → [26, 17] → [_, 10, 7] → [10, _, 4, _] → [_, _, 2, _, _]

Show answer

Answer: Row5[5]=1, Row5[4]=2, Row4[2]=6, Row5[2]=4, Row1[1]=43, Row5[1]=6, Row3[1]=16, Row4[4]=3

SubType
number-pyramid
Difficulty
hard
Levels
  • [43]
  • [26,17]
  • [16,10,7]
  • [10,6,4,3]
  • [6,4,2,2,1]
Base
  • 6
  • 4
  • 2
  • 2
  • 1
TopValue
43
HiddenCells
  • {"r":4,"c":4,"v":1}
  • {"r":4,"c":3,"v":2}
  • {"r":3,"c":1,"v":6}
  • {"r":4,"c":1,"v":4}
  • {"r":0,"c":0,"v":43}
  • {"r":4,"c":0,"v":6}
  • {"r":2,"c":0,"v":16}
  • {"r":3,"c":3,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [52, _] → [_, _, 32] → [8, 14, 16, _] → [4, _, _, _, 10]

Show answer

Answer: Row5[4]=6, Row1[1]=114, Row5[3]=10, Row2[2]=62, Row4[4]=16, Row3[1]=22, Row5[2]=4, Row3[2]=30

SubType
number-pyramid
Difficulty
hard
Levels
  • [114]
  • [52,62]
  • [22,30,32]
  • [8,14,16,16]
  • [4,4,10,6,10]
Base
  • 4
  • 4
  • 10
  • 6
  • 10
TopValue
114
HiddenCells
  • {"r":4,"c":3,"v":6}
  • {"r":0,"c":0,"v":114}
  • {"r":4,"c":2,"v":10}
  • {"r":1,"c":1,"v":62}
  • {"r":3,"c":3,"v":16}
  • {"r":2,"c":0,"v":22}
  • {"r":4,"c":1,"v":4}
  • {"r":2,"c":1,"v":30}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [95] → [_, _] → [23, 28, _] → [7, _, _, _] → [1, 6, _, 2, _]

Show answer

Answer: Row4[4]=4, Row3[3]=16, Row2[1]=51, Row5[5]=2, Row4[2]=16, Row2[2]=44, Row4[3]=12, Row5[3]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [95]
  • [51,44]
  • [23,28,16]
  • [7,16,12,4]
  • [1,6,10,2,2]
Base
  • 1
  • 6
  • 10
  • 2
  • 2
TopValue
95
HiddenCells
  • {"r":3,"c":3,"v":4}
  • {"r":2,"c":2,"v":16}
  • {"r":1,"c":0,"v":51}
  • {"r":4,"c":4,"v":2}
  • {"r":3,"c":1,"v":16}
  • {"r":1,"c":1,"v":44}
  • {"r":3,"c":2,"v":12}
  • {"r":4,"c":2,"v":10}