hard Set 84 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 38] → [_, _, _] → [6, 3, 9, 17] → [_, _, 2, 7, _]

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Answer: Row2[1]=21, Row5[1]=5, Row1[1]=59, Row3[2]=12, Row5[5]=10, Row5[2]=1, Row3[1]=9, Row3[3]=26

SubType
number-pyramid
Difficulty
hard
Levels
  • [59]
  • [21,38]
  • [9,12,26]
  • [6,3,9,17]
  • [5,1,2,7,10]
Base
  • 5
  • 1
  • 2
  • 7
  • 10
TopValue
59
HiddenCells
  • {"r":1,"c":0,"v":21}
  • {"r":4,"c":0,"v":5}
  • {"r":0,"c":0,"v":59}
  • {"r":2,"c":1,"v":12}
  • {"r":4,"c":4,"v":10}
  • {"r":4,"c":1,"v":1}
  • {"r":2,"c":0,"v":9}
  • {"r":2,"c":2,"v":26}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [48, 46] → [_, _, 21] → [10, _, 12, 9] → [_, _, 7, _, _]

Show answer

Answer: Row5[2]=6, Row3[2]=25, Row5[1]=4, Row5[4]=5, Row4[2]=13, Row5[5]=4, Row3[1]=23, Row1[1]=94

SubType
number-pyramid
Difficulty
hard
Levels
  • [94]
  • [48,46]
  • [23,25,21]
  • [10,13,12,9]
  • [4,6,7,5,4]
Base
  • 4
  • 6
  • 7
  • 5
  • 4
TopValue
94
HiddenCells
  • {"r":4,"c":1,"v":6}
  • {"r":2,"c":1,"v":25}
  • {"r":4,"c":0,"v":4}
  • {"r":4,"c":3,"v":5}
  • {"r":3,"c":1,"v":13}
  • {"r":4,"c":4,"v":4}
  • {"r":2,"c":0,"v":23}
  • {"r":0,"c":0,"v":94}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [35] → [_, 15] → [_, _, _] → [11, _, _, _] → [_, 1, 2, 1, 5]

Show answer

Answer: Row3[1]=14, Row4[3]=3, Row3[2]=6, Row4[2]=3, Row4[4]=6, Row5[1]=10, Row2[1]=20, Row3[3]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [35]
  • [20,15]
  • [14,6,9]
  • [11,3,3,6]
  • [10,1,2,1,5]
Base
  • 10
  • 1
  • 2
  • 1
  • 5
TopValue
35
HiddenCells
  • {"r":2,"c":0,"v":14}
  • {"r":3,"c":2,"v":3}
  • {"r":2,"c":1,"v":6}
  • {"r":3,"c":1,"v":3}
  • {"r":3,"c":3,"v":6}
  • {"r":4,"c":0,"v":10}
  • {"r":1,"c":0,"v":20}
  • {"r":2,"c":2,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 31] → [_, _, _] → [6, _, 9, _] → [4, 2, 6, 3, _]

Show answer

Answer: Row5[5]=2, Row2[1]=31, Row4[2]=8, Row3[2]=17, Row3[3]=14, Row4[4]=5, Row3[1]=14, Row1[1]=62

SubType
number-pyramid
Difficulty
hard
Levels
  • [62]
  • [31,31]
  • [14,17,14]
  • [6,8,9,5]
  • [4,2,6,3,2]
Base
  • 4
  • 2
  • 6
  • 3
  • 2
TopValue
62
HiddenCells
  • {"r":4,"c":4,"v":2}
  • {"r":1,"c":0,"v":31}
  • {"r":3,"c":1,"v":8}
  • {"r":2,"c":1,"v":17}
  • {"r":2,"c":2,"v":14}
  • {"r":3,"c":3,"v":5}
  • {"r":2,"c":0,"v":14}
  • {"r":0,"c":0,"v":62}