hard Set 28 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 25] → [23, _, 10] → [_, 11, _, 6] → [_, 10, 1, _, _]

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Answer: Row3[2]=15, Row5[5]=3, Row1[1]=63, Row4[3]=4, Row4[1]=12, Row5[4]=3, Row5[1]=2, Row2[1]=38

SubType
number-pyramid
Difficulty
hard
Levels
  • [63]
  • [38,25]
  • [23,15,10]
  • [12,11,4,6]
  • [2,10,1,3,3]
Base
  • 2
  • 10
  • 1
  • 3
  • 3
TopValue
63
HiddenCells
  • {"r":2,"c":1,"v":15}
  • {"r":4,"c":4,"v":3}
  • {"r":0,"c":0,"v":63}
  • {"r":3,"c":2,"v":4}
  • {"r":3,"c":0,"v":12}
  • {"r":4,"c":3,"v":3}
  • {"r":4,"c":0,"v":2}
  • {"r":1,"c":0,"v":38}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 54] → [_, _, _] → [_, 13, 16, _] → [7, 5, _, 8, 1]

Show answer

Answer: Row4[1]=12, Row5[3]=8, Row1[1]=108, Row3[3]=25, Row4[4]=9, Row2[1]=54, Row3[1]=25, Row3[2]=29

SubType
number-pyramid
Difficulty
hard
Levels
  • [108]
  • [54,54]
  • [25,29,25]
  • [12,13,16,9]
  • [7,5,8,8,1]
Base
  • 7
  • 5
  • 8
  • 8
  • 1
TopValue
108
HiddenCells
  • {"r":3,"c":0,"v":12}
  • {"r":4,"c":2,"v":8}
  • {"r":0,"c":0,"v":108}
  • {"r":2,"c":2,"v":25}
  • {"r":3,"c":3,"v":9}
  • {"r":1,"c":0,"v":54}
  • {"r":2,"c":0,"v":25}
  • {"r":2,"c":1,"v":29}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [122] → [_, 57] → [_, _, 26] → [_, _, 14, 12] → [_, _, _, 5, 7]

Show answer

Answer: Row4[1]=17, Row2[1]=65, Row5[3]=9, Row3[1]=34, Row4[2]=17, Row5[2]=8, Row3[2]=31, Row5[1]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [122]
  • [65,57]
  • [34,31,26]
  • [17,17,14,12]
  • [9,8,9,5,7]
Base
  • 9
  • 8
  • 9
  • 5
  • 7
TopValue
122
HiddenCells
  • {"r":3,"c":0,"v":17}
  • {"r":1,"c":0,"v":65}
  • {"r":4,"c":2,"v":9}
  • {"r":2,"c":0,"v":34}
  • {"r":3,"c":1,"v":17}
  • {"r":4,"c":1,"v":8}
  • {"r":2,"c":1,"v":31}
  • {"r":4,"c":0,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [45, 59] → [17, _, _] → [_, _, _, 15] → [1, _, 8, _, 7]

Show answer

Answer: Row4[1]=5, Row5[4]=8, Row3[2]=28, Row4[3]=16, Row4[2]=12, Row5[2]=4, Row1[1]=104, Row3[3]=31

SubType
number-pyramid
Difficulty
hard
Levels
  • [104]
  • [45,59]
  • [17,28,31]
  • [5,12,16,15]
  • [1,4,8,8,7]
Base
  • 1
  • 4
  • 8
  • 8
  • 7
TopValue
104
HiddenCells
  • {"r":3,"c":0,"v":5}
  • {"r":4,"c":3,"v":8}
  • {"r":2,"c":1,"v":28}
  • {"r":3,"c":2,"v":16}
  • {"r":3,"c":1,"v":12}
  • {"r":4,"c":1,"v":4}
  • {"r":0,"c":0,"v":104}
  • {"r":2,"c":2,"v":31}