hard Set 65 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [62] → [30, 32] → [_, _, 20] → [12, 6, _, _] → [_, _, 1, _, _]

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Answer: Row5[4]=5, Row5[5]=9, Row4[3]=6, Row3[1]=18, Row3[2]=12, Row4[4]=14, Row5[1]=7, Row5[2]=5

SubType
number-pyramid
Difficulty
hard
Levels
  • [62]
  • [30,32]
  • [18,12,20]
  • [12,6,6,14]
  • [7,5,1,5,9]
Base
  • 7
  • 5
  • 1
  • 5
  • 9
TopValue
62
HiddenCells
  • {"r":4,"c":3,"v":5}
  • {"r":4,"c":4,"v":9}
  • {"r":3,"c":2,"v":6}
  • {"r":2,"c":0,"v":18}
  • {"r":2,"c":1,"v":12}
  • {"r":3,"c":3,"v":14}
  • {"r":4,"c":0,"v":7}
  • {"r":4,"c":1,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [106] → [_, 53] → [27, 26, _] → [_, _, 12, _] → [_, 9, _, 7, _]

Show answer

Answer: Row4[2]=14, Row3[3]=27, Row5[3]=5, Row4[1]=13, Row5[1]=4, Row2[1]=53, Row4[4]=15, Row5[5]=8

SubType
number-pyramid
Difficulty
hard
Levels
  • [106]
  • [53,53]
  • [27,26,27]
  • [13,14,12,15]
  • [4,9,5,7,8]
Base
  • 4
  • 9
  • 5
  • 7
  • 8
TopValue
106
HiddenCells
  • {"r":3,"c":1,"v":14}
  • {"r":2,"c":2,"v":27}
  • {"r":4,"c":2,"v":5}
  • {"r":3,"c":0,"v":13}
  • {"r":4,"c":0,"v":4}
  • {"r":1,"c":0,"v":53}
  • {"r":3,"c":3,"v":15}
  • {"r":4,"c":4,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [34, _] → [_, 15, _] → [_, 9, _, 6] → [2, 8, 1, _, _]

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Answer: Row1[1]=61, Row5[4]=5, Row5[5]=1, Row2[2]=27, Row4[1]=10, Row3[1]=19, Row3[3]=12, Row4[3]=6

SubType
number-pyramid
Difficulty
hard
Levels
  • [61]
  • [34,27]
  • [19,15,12]
  • [10,9,6,6]
  • [2,8,1,5,1]
Base
  • 2
  • 8
  • 1
  • 5
  • 1
TopValue
61
HiddenCells
  • {"r":0,"c":0,"v":61}
  • {"r":4,"c":3,"v":5}
  • {"r":4,"c":4,"v":1}
  • {"r":1,"c":1,"v":27}
  • {"r":3,"c":0,"v":10}
  • {"r":2,"c":0,"v":19}
  • {"r":2,"c":2,"v":12}
  • {"r":3,"c":2,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [81] → [47, 34] → [_, _, _] → [_, 11, _, _] → [10, _, _, 4, 1]

Show answer

Answer: Row4[1]=16, Row3[1]=27, Row3[2]=20, Row5[2]=6, Row4[3]=9, Row3[3]=14, Row4[4]=5, Row5[3]=5

SubType
number-pyramid
Difficulty
hard
Levels
  • [81]
  • [47,34]
  • [27,20,14]
  • [16,11,9,5]
  • [10,6,5,4,1]
Base
  • 10
  • 6
  • 5
  • 4
  • 1
TopValue
81
HiddenCells
  • {"r":3,"c":0,"v":16}
  • {"r":2,"c":0,"v":27}
  • {"r":2,"c":1,"v":20}
  • {"r":4,"c":1,"v":6}
  • {"r":3,"c":2,"v":9}
  • {"r":2,"c":2,"v":14}
  • {"r":3,"c":3,"v":5}
  • {"r":4,"c":2,"v":5}