hard Set 63 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [47] → [_, 26] → [9, _, 14] → [_, _, _, 6] → [_, _, _, 5, 1]

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Answer: Row4[1]=5, Row4[2]=4, Row2[1]=21, Row5[3]=3, Row3[2]=12, Row5[1]=4, Row4[3]=8, Row5[2]=1

SubType
number-pyramid
Difficulty
hard
Levels
  • [47]
  • [21,26]
  • [9,12,14]
  • [5,4,8,6]
  • [4,1,3,5,1]
Base
  • 4
  • 1
  • 3
  • 5
  • 1
TopValue
47
HiddenCells
  • {"r":3,"c":0,"v":5}
  • {"r":3,"c":1,"v":4}
  • {"r":1,"c":0,"v":21}
  • {"r":4,"c":2,"v":3}
  • {"r":2,"c":1,"v":12}
  • {"r":4,"c":0,"v":4}
  • {"r":3,"c":2,"v":8}
  • {"r":4,"c":1,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 16] → [14, _, _] → [9, 5, 3, _] → [5, _, 1, _, _]

Show answer

Answer: Row5[5]=3, Row3[2]=8, Row3[3]=8, Row1[1]=38, Row5[4]=2, Row4[4]=5, Row5[2]=4, Row2[1]=22

SubType
number-pyramid
Difficulty
hard
Levels
  • [38]
  • [22,16]
  • [14,8,8]
  • [9,5,3,5]
  • [5,4,1,2,3]
Base
  • 5
  • 4
  • 1
  • 2
  • 3
TopValue
38
HiddenCells
  • {"r":4,"c":4,"v":3}
  • {"r":2,"c":1,"v":8}
  • {"r":2,"c":2,"v":8}
  • {"r":0,"c":0,"v":38}
  • {"r":4,"c":3,"v":2}
  • {"r":3,"c":3,"v":5}
  • {"r":4,"c":1,"v":4}
  • {"r":1,"c":0,"v":22}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [12, _, _] → [7, 5, _, _] → [_, 3, 2, 2, 6]

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Answer: Row5[1]=4, Row3[3]=12, Row1[1]=42, Row2[2]=21, Row4[3]=4, Row2[1]=21, Row3[2]=9, Row4[4]=8

SubType
number-pyramid
Difficulty
hard
Levels
  • [42]
  • [21,21]
  • [12,9,12]
  • [7,5,4,8]
  • [4,3,2,2,6]
Base
  • 4
  • 3
  • 2
  • 2
  • 6
TopValue
42
HiddenCells
  • {"r":4,"c":0,"v":4}
  • {"r":2,"c":2,"v":12}
  • {"r":0,"c":0,"v":42}
  • {"r":1,"c":1,"v":21}
  • {"r":3,"c":2,"v":4}
  • {"r":1,"c":0,"v":21}
  • {"r":2,"c":1,"v":9}
  • {"r":3,"c":3,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [_, _, _] → [_, 6, 11, 14] → [2, _, 4, 7, 7]

Show answer

Answer: Row3[3]=25, Row4[1]=4, Row5[2]=2, Row2[2]=42, Row3[1]=10, Row1[1]=69, Row2[1]=27, Row3[2]=17

SubType
number-pyramid
Difficulty
hard
Levels
  • [69]
  • [27,42]
  • [10,17,25]
  • [4,6,11,14]
  • [2,2,4,7,7]
Base
  • 2
  • 2
  • 4
  • 7
  • 7
TopValue
69
HiddenCells
  • {"r":2,"c":2,"v":25}
  • {"r":3,"c":0,"v":4}
  • {"r":4,"c":1,"v":2}
  • {"r":1,"c":1,"v":42}
  • {"r":2,"c":0,"v":10}
  • {"r":0,"c":0,"v":69}
  • {"r":1,"c":0,"v":27}
  • {"r":2,"c":1,"v":17}