hard Set 59 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [54] → [28, _] → [_, 12, _] → [_, 7, _, _] → [5, 4, _, 2, _]

Show answer

Answer: Row3[3]=14, Row4[4]=9, Row4[3]=5, Row2[2]=26, Row3[1]=16, Row5[3]=3, Row4[1]=9, Row5[5]=7

SubType
number-pyramid
Difficulty
hard
Levels
  • [54]
  • [28,26]
  • [16,12,14]
  • [9,7,5,9]
  • [5,4,3,2,7]
Base
  • 5
  • 4
  • 3
  • 2
  • 7
TopValue
54
HiddenCells
  • {"r":2,"c":2,"v":14}
  • {"r":3,"c":3,"v":9}
  • {"r":3,"c":2,"v":5}
  • {"r":1,"c":1,"v":26}
  • {"r":2,"c":0,"v":16}
  • {"r":4,"c":2,"v":3}
  • {"r":3,"c":0,"v":9}
  • {"r":4,"c":4,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 20] → [_, _, 9] → [11, 7, 4, _] → [_, 4, _, _, 4]

Show answer

Answer: Row2[1]=29, Row3[2]=11, Row3[1]=18, Row5[3]=3, Row5[4]=1, Row5[1]=7, Row4[4]=5, Row1[1]=49

SubType
number-pyramid
Difficulty
hard
Levels
  • [49]
  • [29,20]
  • [18,11,9]
  • [11,7,4,5]
  • [7,4,3,1,4]
Base
  • 7
  • 4
  • 3
  • 1
  • 4
TopValue
49
HiddenCells
  • {"r":1,"c":0,"v":29}
  • {"r":2,"c":1,"v":11}
  • {"r":2,"c":0,"v":18}
  • {"r":4,"c":2,"v":3}
  • {"r":4,"c":3,"v":1}
  • {"r":4,"c":0,"v":7}
  • {"r":3,"c":3,"v":5}
  • {"r":0,"c":0,"v":49}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [13, _, _] → [3, _, 13, 8] → [_, 1, 9, _, 4]

Show answer

Answer: Row2[2]=44, Row2[1]=36, Row5[4]=4, Row5[1]=2, Row3[3]=21, Row4[2]=10, Row1[1]=80, Row3[2]=23

SubType
number-pyramid
Difficulty
hard
Levels
  • [80]
  • [36,44]
  • [13,23,21]
  • [3,10,13,8]
  • [2,1,9,4,4]
Base
  • 2
  • 1
  • 9
  • 4
  • 4
TopValue
80
HiddenCells
  • {"r":1,"c":1,"v":44}
  • {"r":1,"c":0,"v":36}
  • {"r":4,"c":3,"v":4}
  • {"r":4,"c":0,"v":2}
  • {"r":2,"c":2,"v":21}
  • {"r":3,"c":1,"v":10}
  • {"r":0,"c":0,"v":80}
  • {"r":2,"c":1,"v":23}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [115] → [_, _] → [_, 30, _] → [_, _, 18, 16] → [6, _, 9, 9, _]

Show answer

Answer: Row3[3]=34, Row5[5]=7, Row2[2]=64, Row5[2]=3, Row3[1]=21, Row4[1]=9, Row2[1]=51, Row4[2]=12

SubType
number-pyramid
Difficulty
hard
Levels
  • [115]
  • [51,64]
  • [21,30,34]
  • [9,12,18,16]
  • [6,3,9,9,7]
Base
  • 6
  • 3
  • 9
  • 9
  • 7
TopValue
115
HiddenCells
  • {"r":2,"c":2,"v":34}
  • {"r":4,"c":4,"v":7}
  • {"r":1,"c":1,"v":64}
  • {"r":4,"c":1,"v":3}
  • {"r":2,"c":0,"v":21}
  • {"r":3,"c":0,"v":9}
  • {"r":1,"c":0,"v":51}
  • {"r":3,"c":1,"v":12}