hard Set 23 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [55, _] → [29, _, 15] → [12, 17, 9, _] → [_, _, _, _, 5]

Show answer

Answer: Row5[2]=9, Row3[2]=26, Row2[2]=41, Row1[1]=96, Row5[3]=8, Row5[1]=3, Row4[4]=6, Row5[4]=1

SubType
number-pyramid
Difficulty
hard
Levels
  • [96]
  • [55,41]
  • [29,26,15]
  • [12,17,9,6]
  • [3,9,8,1,5]
Base
  • 3
  • 9
  • 8
  • 1
  • 5
TopValue
96
HiddenCells
  • {"r":4,"c":1,"v":9}
  • {"r":2,"c":1,"v":26}
  • {"r":1,"c":1,"v":41}
  • {"r":0,"c":0,"v":96}
  • {"r":4,"c":2,"v":8}
  • {"r":4,"c":0,"v":3}
  • {"r":3,"c":3,"v":6}
  • {"r":4,"c":3,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [54, 49] → [_, _, 23] → [12, _, _, 13] → [3, _, _, 3, _]

Show answer

Answer: Row5[3]=7, Row4[3]=10, Row5[2]=9, Row4[2]=16, Row3[1]=28, Row1[1]=103, Row5[5]=10, Row3[2]=26

SubType
number-pyramid
Difficulty
hard
Levels
  • [103]
  • [54,49]
  • [28,26,23]
  • [12,16,10,13]
  • [3,9,7,3,10]
Base
  • 3
  • 9
  • 7
  • 3
  • 10
TopValue
103
HiddenCells
  • {"r":4,"c":2,"v":7}
  • {"r":3,"c":2,"v":10}
  • {"r":4,"c":1,"v":9}
  • {"r":3,"c":1,"v":16}
  • {"r":2,"c":0,"v":28}
  • {"r":0,"c":0,"v":103}
  • {"r":4,"c":4,"v":10}
  • {"r":2,"c":1,"v":26}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [104] → [_, 48] → [29, _, 21] → [_, 15, _, 9] → [_, 6, _, _, _]

Show answer

Answer: Row5[1]=8, Row4[3]=12, Row4[1]=14, Row5[4]=3, Row5[3]=9, Row2[1]=56, Row3[2]=27, Row5[5]=6

SubType
number-pyramid
Difficulty
hard
Levels
  • [104]
  • [56,48]
  • [29,27,21]
  • [14,15,12,9]
  • [8,6,9,3,6]
Base
  • 8
  • 6
  • 9
  • 3
  • 6
TopValue
104
HiddenCells
  • {"r":4,"c":0,"v":8}
  • {"r":3,"c":2,"v":12}
  • {"r":3,"c":0,"v":14}
  • {"r":4,"c":3,"v":3}
  • {"r":4,"c":2,"v":9}
  • {"r":1,"c":0,"v":56}
  • {"r":2,"c":1,"v":27}
  • {"r":4,"c":4,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [89] → [_, 42] → [27, _, 22] → [_, 11, 9, 13] → [_, _, _, _, _]

Show answer

Answer: Row5[4]=8, Row5[2]=10, Row3[2]=20, Row4[1]=16, Row2[1]=47, Row5[3]=1, Row5[5]=5, Row5[1]=6

SubType
number-pyramid
Difficulty
hard
Levels
  • [89]
  • [47,42]
  • [27,20,22]
  • [16,11,9,13]
  • [6,10,1,8,5]
Base
  • 6
  • 10
  • 1
  • 8
  • 5
TopValue
89
HiddenCells
  • {"r":4,"c":3,"v":8}
  • {"r":4,"c":1,"v":10}
  • {"r":2,"c":1,"v":20}
  • {"r":3,"c":0,"v":16}
  • {"r":1,"c":0,"v":47}
  • {"r":4,"c":2,"v":1}
  • {"r":4,"c":4,"v":5}
  • {"r":4,"c":0,"v":6}