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): [_] → [33, 33] → [_, _, _] → [_, 7, _, 8] → [6, _, 3, 6, _]

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Answer: Row1[1]=66, Row4[1]=10, Row4[3]=9, Row3[2]=16, Row3[3]=17, Row3[1]=17, Row5[5]=2, Row5[2]=4

SubType
number-pyramid
Difficulty
hard
Levels
  • [66]
  • [33,33]
  • [17,16,17]
  • [10,7,9,8]
  • [6,4,3,6,2]
Base
  • 6
  • 4
  • 3
  • 6
  • 2
TopValue
66
HiddenCells
  • {"r":0,"c":0,"v":66}
  • {"r":3,"c":0,"v":10}
  • {"r":3,"c":2,"v":9}
  • {"r":2,"c":1,"v":16}
  • {"r":2,"c":2,"v":17}
  • {"r":2,"c":0,"v":17}
  • {"r":4,"c":4,"v":2}
  • {"r":4,"c":1,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 51] → [33, _, 25] → [_, 15, 11, _] → [9, _, _, _, 9]

Show answer

Answer: Row5[3]=6, Row5[4]=5, Row3[2]=26, Row5[2]=9, Row4[4]=14, Row4[1]=18, Row2[1]=59, Row1[1]=110

SubType
number-pyramid
Difficulty
hard
Levels
  • [110]
  • [59,51]
  • [33,26,25]
  • [18,15,11,14]
  • [9,9,6,5,9]
Base
  • 9
  • 9
  • 6
  • 5
  • 9
TopValue
110
HiddenCells
  • {"r":4,"c":2,"v":6}
  • {"r":4,"c":3,"v":5}
  • {"r":2,"c":1,"v":26}
  • {"r":4,"c":1,"v":9}
  • {"r":3,"c":3,"v":14}
  • {"r":3,"c":0,"v":18}
  • {"r":1,"c":0,"v":59}
  • {"r":0,"c":0,"v":110}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [44, _] → [20, _, _] → [_, 12, 12, _] → [6, 2, 10, _, _]

Show answer

Answer: Row3[3]=17, Row2[2]=41, Row5[5]=3, Row4[4]=5, Row3[2]=24, Row5[4]=2, Row1[1]=85, Row4[1]=8

SubType
number-pyramid
Difficulty
hard
Levels
  • [85]
  • [44,41]
  • [20,24,17]
  • [8,12,12,5]
  • [6,2,10,2,3]
Base
  • 6
  • 2
  • 10
  • 2
  • 3
TopValue
85
HiddenCells
  • {"r":2,"c":2,"v":17}
  • {"r":1,"c":1,"v":41}
  • {"r":4,"c":4,"v":3}
  • {"r":3,"c":3,"v":5}
  • {"r":2,"c":1,"v":24}
  • {"r":4,"c":3,"v":2}
  • {"r":0,"c":0,"v":85}
  • {"r":3,"c":0,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [42] → [_, 21] → [13, _, _] → [8, _, _, _] → [4, 4, 1, _, _]

Show answer

Answer: Row5[5]=8, Row4[4]=10, Row4[2]=5, Row4[3]=3, Row3[2]=8, Row3[3]=13, Row2[1]=21, Row5[4]=2

SubType
number-pyramid
Difficulty
hard
Levels
  • [42]
  • [21,21]
  • [13,8,13]
  • [8,5,3,10]
  • [4,4,1,2,8]
Base
  • 4
  • 4
  • 1
  • 2
  • 8
TopValue
42
HiddenCells
  • {"r":4,"c":4,"v":8}
  • {"r":3,"c":3,"v":10}
  • {"r":3,"c":1,"v":5}
  • {"r":3,"c":2,"v":3}
  • {"r":2,"c":1,"v":8}
  • {"r":2,"c":2,"v":13}
  • {"r":1,"c":0,"v":21}
  • {"r":4,"c":3,"v":2}