hard Set 75 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [49, 29] → [_, _, 9] → [_, _, 6, _] → [_, 9, 5, _, 2]

Show answer

Answer: Row1[1]=78, Row4[1]=15, Row5[1]=6, Row3[1]=29, Row5[4]=1, Row3[2]=20, Row4[4]=3, Row4[2]=14

SubType
number-pyramid
Difficulty
hard
Levels
  • [78]
  • [49,29]
  • [29,20,9]
  • [15,14,6,3]
  • [6,9,5,1,2]
Base
  • 6
  • 9
  • 5
  • 1
  • 2
TopValue
78
HiddenCells
  • {"r":0,"c":0,"v":78}
  • {"r":3,"c":0,"v":15}
  • {"r":4,"c":0,"v":6}
  • {"r":2,"c":0,"v":29}
  • {"r":4,"c":3,"v":1}
  • {"r":2,"c":1,"v":20}
  • {"r":3,"c":3,"v":3}
  • {"r":3,"c":1,"v":14}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [86] → [42, _] → [19, _, 21] → [_, _, _, 8] → [7, _, 8, _, _]

Show answer

Answer: Row5[2]=2, Row4[3]=13, Row5[5]=3, Row4[2]=10, Row4[1]=9, Row2[2]=44, Row5[4]=5, Row3[2]=23

SubType
number-pyramid
Difficulty
hard
Levels
  • [86]
  • [42,44]
  • [19,23,21]
  • [9,10,13,8]
  • [7,2,8,5,3]
Base
  • 7
  • 2
  • 8
  • 5
  • 3
TopValue
86
HiddenCells
  • {"r":4,"c":1,"v":2}
  • {"r":3,"c":2,"v":13}
  • {"r":4,"c":4,"v":3}
  • {"r":3,"c":1,"v":10}
  • {"r":3,"c":0,"v":9}
  • {"r":1,"c":1,"v":44}
  • {"r":4,"c":3,"v":5}
  • {"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): [82] → [_, _] → [13, _, 29] → [7, _, 14, 15] → [5, _, _, _, _]

Show answer

Answer: Row5[2]=2, Row2[1]=33, Row5[5]=5, Row3[2]=20, Row5[4]=10, Row5[3]=4, Row4[2]=6, Row2[2]=49

SubType
number-pyramid
Difficulty
hard
Levels
  • [82]
  • [33,49]
  • [13,20,29]
  • [7,6,14,15]
  • [5,2,4,10,5]
Base
  • 5
  • 2
  • 4
  • 10
  • 5
TopValue
82
HiddenCells
  • {"r":4,"c":1,"v":2}
  • {"r":1,"c":0,"v":33}
  • {"r":4,"c":4,"v":5}
  • {"r":2,"c":1,"v":20}
  • {"r":4,"c":3,"v":10}
  • {"r":4,"c":2,"v":4}
  • {"r":3,"c":1,"v":6}
  • {"r":1,"c":1,"v":49}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [43, 48] → [_, _, 25] → [9, _, 12, 13] → [_, _, _, 6, _]

Show answer

Answer: Row5[1]=4, Row5[5]=7, Row5[2]=5, Row1[1]=91, Row3[2]=23, Row5[3]=6, Row4[2]=11, Row3[1]=20

SubType
number-pyramid
Difficulty
hard
Levels
  • [91]
  • [43,48]
  • [20,23,25]
  • [9,11,12,13]
  • [4,5,6,6,7]
Base
  • 4
  • 5
  • 6
  • 6
  • 7
TopValue
91
HiddenCells
  • {"r":4,"c":0,"v":4}
  • {"r":4,"c":4,"v":7}
  • {"r":4,"c":1,"v":5}
  • {"r":0,"c":0,"v":91}
  • {"r":2,"c":1,"v":23}
  • {"r":4,"c":2,"v":6}
  • {"r":3,"c":1,"v":11}
  • {"r":2,"c":0,"v":20}