hard Set 47 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [64] → [39, _] → [23, _, _] → [_, 11, 5, 4] → [_, _, _, 1, _]

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Answer: Row5[1]=5, Row5[3]=4, Row5[2]=7, Row5[5]=3, Row3[2]=16, Row2[2]=25, Row4[1]=12, Row3[3]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [64]
  • [39,25]
  • [23,16,9]
  • [12,11,5,4]
  • [5,7,4,1,3]
Base
  • 5
  • 7
  • 4
  • 1
  • 3
TopValue
64
HiddenCells
  • {"r":4,"c":0,"v":5}
  • {"r":4,"c":2,"v":4}
  • {"r":4,"c":1,"v":7}
  • {"r":4,"c":4,"v":3}
  • {"r":2,"c":1,"v":16}
  • {"r":1,"c":1,"v":25}
  • {"r":3,"c":0,"v":12}
  • {"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): [_] → [68, 64] → [34, _, 30] → [_, 18, _, _] → [_, 8, 10, _, _]

Show answer

Answer: Row5[1]=8, Row5[5]=8, Row4[1]=16, Row4[4]=14, Row1[1]=132, Row3[2]=34, Row5[4]=6, Row4[3]=16

SubType
number-pyramid
Difficulty
hard
Levels
  • [132]
  • [68,64]
  • [34,34,30]
  • [16,18,16,14]
  • [8,8,10,6,8]
Base
  • 8
  • 8
  • 10
  • 6
  • 8
TopValue
132
HiddenCells
  • {"r":4,"c":0,"v":8}
  • {"r":4,"c":4,"v":8}
  • {"r":3,"c":0,"v":16}
  • {"r":3,"c":3,"v":14}
  • {"r":0,"c":0,"v":132}
  • {"r":2,"c":1,"v":34}
  • {"r":4,"c":3,"v":6}
  • {"r":3,"c":2,"v":16}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [46] → [_, 30] → [_, _, _] → [_, _, 7, _] → [2, 1, 2, _, 8]

Show answer

Answer: Row2[1]=16, Row4[1]=3, Row4[2]=3, Row3[3]=20, Row3[1]=6, Row3[2]=10, Row5[4]=5, Row4[4]=13

SubType
number-pyramid
Difficulty
hard
Levels
  • [46]
  • [16,30]
  • [6,10,20]
  • [3,3,7,13]
  • [2,1,2,5,8]
Base
  • 2
  • 1
  • 2
  • 5
  • 8
TopValue
46
HiddenCells
  • {"r":1,"c":0,"v":16}
  • {"r":3,"c":0,"v":3}
  • {"r":3,"c":1,"v":3}
  • {"r":2,"c":2,"v":20}
  • {"r":2,"c":0,"v":6}
  • {"r":2,"c":1,"v":10}
  • {"r":4,"c":3,"v":5}
  • {"r":3,"c":3,"v":13}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 57] → [_, _, 34] → [_, 8, 15, _] → [8, 2, _, _, 10]

Show answer

Answer: Row5[4]=9, Row2[1]=41, Row1[1]=98, Row5[3]=6, Row3[2]=23, Row3[1]=18, Row4[4]=19, Row4[1]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [98]
  • [41,57]
  • [18,23,34]
  • [10,8,15,19]
  • [8,2,6,9,10]
Base
  • 8
  • 2
  • 6
  • 9
  • 10
TopValue
98
HiddenCells
  • {"r":4,"c":3,"v":9}
  • {"r":1,"c":0,"v":41}
  • {"r":0,"c":0,"v":98}
  • {"r":4,"c":2,"v":6}
  • {"r":2,"c":1,"v":23}
  • {"r":2,"c":0,"v":18}
  • {"r":3,"c":3,"v":19}
  • {"r":3,"c":0,"v":10}