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): [_] → [52, _] → [_, _, _] → [10, 16, 10, _] → [_, 7, 9, _, 10]

Show answer

Answer: Row3[3]=21, Row1[1]=99, Row3[2]=26, Row2[2]=47, Row4[4]=11, Row5[4]=1, Row5[1]=3, Row3[1]=26

SubType
number-pyramid
Difficulty
hard
Levels
  • [99]
  • [52,47]
  • [26,26,21]
  • [10,16,10,11]
  • [3,7,9,1,10]
Base
  • 3
  • 7
  • 9
  • 1
  • 10
TopValue
99
HiddenCells
  • {"r":2,"c":2,"v":21}
  • {"r":0,"c":0,"v":99}
  • {"r":2,"c":1,"v":26}
  • {"r":1,"c":1,"v":47}
  • {"r":3,"c":3,"v":11}
  • {"r":4,"c":3,"v":1}
  • {"r":4,"c":0,"v":3}
  • {"r":2,"c":0,"v":26}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [122] → [_, _] → [_, _, 31] → [8, _, 19, _] → [3, 5, _, _, 3]

Show answer

Answer: Row2[1]=57, Row4[2]=15, Row5[3]=10, Row4[4]=12, Row3[1]=23, Row5[4]=9, Row3[2]=34, Row2[2]=65

SubType
number-pyramid
Difficulty
hard
Levels
  • [122]
  • [57,65]
  • [23,34,31]
  • [8,15,19,12]
  • [3,5,10,9,3]
Base
  • 3
  • 5
  • 10
  • 9
  • 3
TopValue
122
HiddenCells
  • {"r":1,"c":0,"v":57}
  • {"r":3,"c":1,"v":15}
  • {"r":4,"c":2,"v":10}
  • {"r":3,"c":3,"v":12}
  • {"r":2,"c":0,"v":23}
  • {"r":4,"c":3,"v":9}
  • {"r":2,"c":1,"v":34}
  • {"r":1,"c":1,"v":65}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [126] → [_, _] → [29, 34, _] → [_, 17, 17, _] → [_, 9, 8, _, _]

Show answer

Answer: Row2[2]=63, Row5[4]=9, Row5[5]=3, Row4[4]=12, Row2[1]=63, Row3[3]=29, Row4[1]=12, Row5[1]=3

SubType
number-pyramid
Difficulty
hard
Levels
  • [126]
  • [63,63]
  • [29,34,29]
  • [12,17,17,12]
  • [3,9,8,9,3]
Base
  • 3
  • 9
  • 8
  • 9
  • 3
TopValue
126
HiddenCells
  • {"r":1,"c":1,"v":63}
  • {"r":4,"c":3,"v":9}
  • {"r":4,"c":4,"v":3}
  • {"r":3,"c":3,"v":12}
  • {"r":1,"c":0,"v":63}
  • {"r":2,"c":2,"v":29}
  • {"r":3,"c":0,"v":12}
  • {"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): [_] → [51, _] → [22, 29, 35] → [_, 13, 16, 19] → [_, _, _, _, _]

Show answer

Answer: Row5[2]=6, Row5[4]=9, Row4[1]=9, Row1[1]=115, Row5[1]=3, Row5[3]=7, Row5[5]=10, Row2[2]=64

SubType
number-pyramid
Difficulty
hard
Levels
  • [115]
  • [51,64]
  • [22,29,35]
  • [9,13,16,19]
  • [3,6,7,9,10]
Base
  • 3
  • 6
  • 7
  • 9
  • 10
TopValue
115
HiddenCells
  • {"r":4,"c":1,"v":6}
  • {"r":4,"c":3,"v":9}
  • {"r":3,"c":0,"v":9}
  • {"r":0,"c":0,"v":115}
  • {"r":4,"c":0,"v":3}
  • {"r":4,"c":2,"v":7}
  • {"r":4,"c":4,"v":10}
  • {"r":1,"c":1,"v":64}