hard Set 16 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [13, _, _] → [_, 8, _, 11] → [2, 3, 5, _, 1]

Show answer

Answer: Row3[2]=23, Row5[4]=10, Row1[1]=85, Row2[2]=49, Row4[3]=15, Row2[1]=36, Row4[1]=5, Row3[3]=26

SubType
number-pyramid
Difficulty
hard
Levels
  • [85]
  • [36,49]
  • [13,23,26]
  • [5,8,15,11]
  • [2,3,5,10,1]
Base
  • 2
  • 3
  • 5
  • 10
  • 1
TopValue
85
HiddenCells
  • {"r":2,"c":1,"v":23}
  • {"r":4,"c":3,"v":10}
  • {"r":0,"c":0,"v":85}
  • {"r":1,"c":1,"v":49}
  • {"r":3,"c":2,"v":15}
  • {"r":1,"c":0,"v":36}
  • {"r":3,"c":0,"v":5}
  • {"r":2,"c":2,"v":26}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [79] → [39, _] → [_, 20, _] → [_, _, 10, 10] → [6, _, _, 3, _]

Show answer

Answer: Row4[2]=10, Row3[3]=20, Row4[1]=9, Row3[1]=19, Row2[2]=40, Row5[5]=7, Row5[3]=7, Row5[2]=3

SubType
number-pyramid
Difficulty
hard
Levels
  • [79]
  • [39,40]
  • [19,20,20]
  • [9,10,10,10]
  • [6,3,7,3,7]
Base
  • 6
  • 3
  • 7
  • 3
  • 7
TopValue
79
HiddenCells
  • {"r":3,"c":1,"v":10}
  • {"r":2,"c":2,"v":20}
  • {"r":3,"c":0,"v":9}
  • {"r":2,"c":0,"v":19}
  • {"r":1,"c":1,"v":40}
  • {"r":4,"c":4,"v":7}
  • {"r":4,"c":2,"v":7}
  • {"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): [_] → [_, _] → [19, 22, 23] → [_, 11, 11, 12] → [_, _, _, _, 8]

Show answer

Answer: Row4[1]=8, Row5[1]=4, Row5[3]=7, Row5[4]=4, Row5[2]=4, Row1[1]=86, Row2[2]=45, Row2[1]=41

SubType
number-pyramid
Difficulty
hard
Levels
  • [86]
  • [41,45]
  • [19,22,23]
  • [8,11,11,12]
  • [4,4,7,4,8]
Base
  • 4
  • 4
  • 7
  • 4
  • 8
TopValue
86
HiddenCells
  • {"r":3,"c":0,"v":8}
  • {"r":4,"c":0,"v":4}
  • {"r":4,"c":2,"v":7}
  • {"r":4,"c":3,"v":4}
  • {"r":4,"c":1,"v":4}
  • {"r":0,"c":0,"v":86}
  • {"r":1,"c":1,"v":45}
  • {"r":1,"c":0,"v":41}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [63, _] → [34, _, 21] → [_, _, 13, 8] → [_, 8, 8, _, _]

Show answer

Answer: Row2[2]=50, Row5[4]=5, Row3[2]=29, Row5[1]=10, Row5[5]=3, Row4[2]=16, Row1[1]=113, Row4[1]=18

SubType
number-pyramid
Difficulty
hard
Levels
  • [113]
  • [63,50]
  • [34,29,21]
  • [18,16,13,8]
  • [10,8,8,5,3]
Base
  • 10
  • 8
  • 8
  • 5
  • 3
TopValue
113
HiddenCells
  • {"r":1,"c":1,"v":50}
  • {"r":4,"c":3,"v":5}
  • {"r":2,"c":1,"v":29}
  • {"r":4,"c":0,"v":10}
  • {"r":4,"c":4,"v":3}
  • {"r":3,"c":1,"v":16}
  • {"r":0,"c":0,"v":113}
  • {"r":3,"c":0,"v":18}