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): [_] → [_, _] → [_, 29, 27] → [7, _, _, 11] → [2, 5, _, 8, _]

Show answer

Answer: Row5[3]=8, Row2[2]=56, Row4[3]=16, Row5[5]=3, Row3[1]=20, Row2[1]=49, Row4[2]=13, Row1[1]=105

SubType
number-pyramid
Difficulty
hard
Levels
  • [105]
  • [49,56]
  • [20,29,27]
  • [7,13,16,11]
  • [2,5,8,8,3]
Base
  • 2
  • 5
  • 8
  • 8
  • 3
TopValue
105
HiddenCells
  • {"r":4,"c":2,"v":8}
  • {"r":1,"c":1,"v":56}
  • {"r":3,"c":2,"v":16}
  • {"r":4,"c":4,"v":3}
  • {"r":2,"c":0,"v":20}
  • {"r":1,"c":0,"v":49}
  • {"r":3,"c":1,"v":13}
  • {"r":0,"c":0,"v":105}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [37] → [_, _] → [_, 7, 9] → [_, 4, _, _] → [_, _, 2, 1, 5]

Show answer

Answer: Row3[1]=14, Row4[1]=10, Row4[3]=3, Row4[4]=6, Row2[1]=21, Row5[2]=2, Row5[1]=8, Row2[2]=16

SubType
number-pyramid
Difficulty
hard
Levels
  • [37]
  • [21,16]
  • [14,7,9]
  • [10,4,3,6]
  • [8,2,2,1,5]
Base
  • 8
  • 2
  • 2
  • 1
  • 5
TopValue
37
HiddenCells
  • {"r":2,"c":0,"v":14}
  • {"r":3,"c":0,"v":10}
  • {"r":3,"c":2,"v":3}
  • {"r":3,"c":3,"v":6}
  • {"r":1,"c":0,"v":21}
  • {"r":4,"c":1,"v":2}
  • {"r":4,"c":0,"v":8}
  • {"r":1,"c":1,"v":16}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [28, 22] → [_, 10, _] → [11, 7, _, 9] → [_, _, 1, _, _]

Show answer

Answer: Row3[1]=18, Row1[1]=50, Row5[5]=7, Row4[3]=3, Row5[1]=5, Row5[4]=2, Row5[2]=6, Row3[3]=12

SubType
number-pyramid
Difficulty
hard
Levels
  • [50]
  • [28,22]
  • [18,10,12]
  • [11,7,3,9]
  • [5,6,1,2,7]
Base
  • 5
  • 6
  • 1
  • 2
  • 7
TopValue
50
HiddenCells
  • {"r":2,"c":0,"v":18}
  • {"r":0,"c":0,"v":50}
  • {"r":4,"c":4,"v":7}
  • {"r":3,"c":2,"v":3}
  • {"r":4,"c":0,"v":5}
  • {"r":4,"c":3,"v":2}
  • {"r":4,"c":1,"v":6}
  • {"r":2,"c":2,"v":12}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 29] → [12, 11, 18] → [_, 4, 7, _] → [_, _, _, _, 6]

Show answer

Answer: Row5[3]=2, Row5[1]=6, Row5[4]=5, Row5[2]=2, Row2[1]=23, Row1[1]=52, Row4[4]=11, Row4[1]=8

SubType
number-pyramid
Difficulty
hard
Levels
  • [52]
  • [23,29]
  • [12,11,18]
  • [8,4,7,11]
  • [6,2,2,5,6]
Base
  • 6
  • 2
  • 2
  • 5
  • 6
TopValue
52
HiddenCells
  • {"r":4,"c":2,"v":2}
  • {"r":4,"c":0,"v":6}
  • {"r":4,"c":3,"v":5}
  • {"r":4,"c":1,"v":2}
  • {"r":1,"c":0,"v":23}
  • {"r":0,"c":0,"v":52}
  • {"r":3,"c":3,"v":11}
  • {"r":3,"c":0,"v":8}