hard Set 15 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [115] → [60, 55] → [_, 29, _] → [15, 16, _, _] → [_, _, _, 3, _]

Show answer

Answer: Row4[3]=13, Row5[5]=10, Row5[1]=9, Row5[3]=10, Row3[1]=31, Row4[4]=13, Row3[3]=26, Row5[2]=6

SubType
number-pyramid
Difficulty
hard
Levels
  • [115]
  • [60,55]
  • [31,29,26]
  • [15,16,13,13]
  • [9,6,10,3,10]
Base
  • 9
  • 6
  • 10
  • 3
  • 10
TopValue
115
HiddenCells
  • {"r":3,"c":2,"v":13}
  • {"r":4,"c":4,"v":10}
  • {"r":4,"c":0,"v":9}
  • {"r":4,"c":2,"v":10}
  • {"r":2,"c":0,"v":31}
  • {"r":3,"c":3,"v":13}
  • {"r":2,"c":2,"v":26}
  • {"r":4,"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): [82] → [_, _] → [21, _, 17] → [8, 13, _, _] → [_, 5, _, _, 7]

Show answer

Answer: Row5[4]=1, Row3[2]=22, Row5[3]=8, Row4[3]=9, Row2[1]=43, Row2[2]=39, Row4[4]=8, Row5[1]=3

SubType
number-pyramid
Difficulty
hard
Levels
  • [82]
  • [43,39]
  • [21,22,17]
  • [8,13,9,8]
  • [3,5,8,1,7]
Base
  • 3
  • 5
  • 8
  • 1
  • 7
TopValue
82
HiddenCells
  • {"r":4,"c":3,"v":1}
  • {"r":2,"c":1,"v":22}
  • {"r":4,"c":2,"v":8}
  • {"r":3,"c":2,"v":9}
  • {"r":1,"c":0,"v":43}
  • {"r":1,"c":1,"v":39}
  • {"r":3,"c":3,"v":8}
  • {"r":4,"c":0,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [52] → [28, _] → [18, _, 14] → [_, _, _, _] → [8, _, 2, _, 8]

Show answer

Answer: Row5[2]=4, Row2[2]=24, Row5[4]=2, Row4[3]=4, Row4[2]=6, Row4[1]=12, Row4[4]=10, Row3[2]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [52]
  • [28,24]
  • [18,10,14]
  • [12,6,4,10]
  • [8,4,2,2,8]
Base
  • 8
  • 4
  • 2
  • 2
  • 8
TopValue
52
HiddenCells
  • {"r":4,"c":1,"v":4}
  • {"r":1,"c":1,"v":24}
  • {"r":4,"c":3,"v":2}
  • {"r":3,"c":2,"v":4}
  • {"r":3,"c":1,"v":6}
  • {"r":3,"c":0,"v":12}
  • {"r":3,"c":3,"v":10}
  • {"r":2,"c":1,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [64] → [35, _] → [_, _, _] → [8, _, 7, 5] → [3, _, _, _, 3]

Show answer

Answer: Row5[4]=2, Row2[2]=29, Row5[2]=5, Row3[1]=18, Row5[3]=5, Row3[3]=12, Row4[2]=10, Row3[2]=17

SubType
number-pyramid
Difficulty
hard
Levels
  • [64]
  • [35,29]
  • [18,17,12]
  • [8,10,7,5]
  • [3,5,5,2,3]
Base
  • 3
  • 5
  • 5
  • 2
  • 3
TopValue
64
HiddenCells
  • {"r":4,"c":3,"v":2}
  • {"r":1,"c":1,"v":29}
  • {"r":4,"c":1,"v":5}
  • {"r":2,"c":0,"v":18}
  • {"r":4,"c":2,"v":5}
  • {"r":2,"c":2,"v":12}
  • {"r":3,"c":1,"v":10}
  • {"r":2,"c":1,"v":17}