hard Set 12 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [101] → [_, 53] → [23, 25, 28] → [_, _, _, _] → [4, _, _, 8, _]

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Answer: Row5[2]=7, Row2[1]=48, Row4[3]=13, Row4[4]=15, Row4[2]=12, Row5[5]=7, Row5[3]=5, Row4[1]=11

SubType
number-pyramid
Difficulty
hard
Levels
  • [101]
  • [48,53]
  • [23,25,28]
  • [11,12,13,15]
  • [4,7,5,8,7]
Base
  • 4
  • 7
  • 5
  • 8
  • 7
TopValue
101
HiddenCells
  • {"r":4,"c":1,"v":7}
  • {"r":1,"c":0,"v":48}
  • {"r":3,"c":2,"v":13}
  • {"r":3,"c":3,"v":15}
  • {"r":3,"c":1,"v":12}
  • {"r":4,"c":4,"v":7}
  • {"r":4,"c":2,"v":5}
  • {"r":3,"c":0,"v":11}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [65] → [_, 43] → [7, _, _] → [_, 4, _, 17] → [_, _, 3, _, 9]

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Answer: Row4[1]=3, Row5[2]=1, Row5[1]=2, Row2[1]=22, Row5[4]=8, Row3[3]=28, Row3[2]=15, Row4[3]=11

SubType
number-pyramid
Difficulty
hard
Levels
  • [65]
  • [22,43]
  • [7,15,28]
  • [3,4,11,17]
  • [2,1,3,8,9]
Base
  • 2
  • 1
  • 3
  • 8
  • 9
TopValue
65
HiddenCells
  • {"r":3,"c":0,"v":3}
  • {"r":4,"c":1,"v":1}
  • {"r":4,"c":0,"v":2}
  • {"r":1,"c":0,"v":22}
  • {"r":4,"c":3,"v":8}
  • {"r":2,"c":2,"v":28}
  • {"r":2,"c":1,"v":15}
  • {"r":3,"c":2,"v":11}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [38] → [17, _] → [_, _, _] → [_, 3, 3, 12] → [_, 2, _, 2, _]

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Answer: Row3[1]=11, Row5[3]=1, Row3[3]=15, Row4[1]=8, Row5[1]=6, Row3[2]=6, Row2[2]=21, Row5[5]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [38]
  • [17,21]
  • [11,6,15]
  • [8,3,3,12]
  • [6,2,1,2,10]
Base
  • 6
  • 2
  • 1
  • 2
  • 10
TopValue
38
HiddenCells
  • {"r":2,"c":0,"v":11}
  • {"r":4,"c":2,"v":1}
  • {"r":2,"c":2,"v":15}
  • {"r":3,"c":0,"v":8}
  • {"r":4,"c":0,"v":6}
  • {"r":2,"c":1,"v":6}
  • {"r":1,"c":1,"v":21}
  • {"r":4,"c":4,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [68] → [26, 42] → [_, 16, _] → [4, 6, _, 16] → [_, _, _, _, _]

Show answer

Answer: Row5[2]=2, Row3[3]=26, Row5[5]=10, Row5[1]=2, Row3[1]=10, Row5[3]=4, Row5[4]=6, Row4[3]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [68]
  • [26,42]
  • [10,16,26]
  • [4,6,10,16]
  • [2,2,4,6,10]
Base
  • 2
  • 2
  • 4
  • 6
  • 10
TopValue
68
HiddenCells
  • {"r":4,"c":1,"v":2}
  • {"r":2,"c":2,"v":26}
  • {"r":4,"c":4,"v":10}
  • {"r":4,"c":0,"v":2}
  • {"r":2,"c":0,"v":10}
  • {"r":4,"c":2,"v":4}
  • {"r":4,"c":3,"v":6}
  • {"r":3,"c":2,"v":10}