hard Set 19 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [47, _] → [27, _, 15] → [_, 12, 8, _] → [9, _, 6, _, _]

Show answer

Answer: Row4[1]=15, Row2[2]=35, Row5[2]=6, Row1[1]=82, Row5[5]=5, Row4[4]=7, Row3[2]=20, Row5[4]=2

SubType
number-pyramid
Difficulty
hard
Levels
  • [82]
  • [47,35]
  • [27,20,15]
  • [15,12,8,7]
  • [9,6,6,2,5]
Base
  • 9
  • 6
  • 6
  • 2
  • 5
TopValue
82
HiddenCells
  • {"r":3,"c":0,"v":15}
  • {"r":1,"c":1,"v":35}
  • {"r":4,"c":1,"v":6}
  • {"r":0,"c":0,"v":82}
  • {"r":4,"c":4,"v":5}
  • {"r":3,"c":3,"v":7}
  • {"r":2,"c":1,"v":20}
  • {"r":4,"c":3,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 33] → [18, _, _] → [10, _, 9, 7] → [7, _, 5, _, _]

Show answer

Answer: Row5[2]=3, Row5[5]=3, Row3[2]=17, Row2[1]=35, Row1[1]=68, Row3[3]=16, Row5[4]=4, Row4[2]=8

SubType
number-pyramid
Difficulty
hard
Levels
  • [68]
  • [35,33]
  • [18,17,16]
  • [10,8,9,7]
  • [7,3,5,4,3]
Base
  • 7
  • 3
  • 5
  • 4
  • 3
TopValue
68
HiddenCells
  • {"r":4,"c":1,"v":3}
  • {"r":4,"c":4,"v":3}
  • {"r":2,"c":1,"v":17}
  • {"r":1,"c":0,"v":35}
  • {"r":0,"c":0,"v":68}
  • {"r":2,"c":2,"v":16}
  • {"r":4,"c":3,"v":4}
  • {"r":3,"c":1,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [78] → [43, 35] → [26, _, 18] → [_, 11, _, _] → [_, _, _, _, 9]

Show answer

Answer: Row5[3]=3, Row4[4]=12, Row3[2]=17, Row4[3]=6, Row4[1]=15, Row5[2]=8, Row5[4]=3, Row5[1]=7

SubType
number-pyramid
Difficulty
hard
Levels
  • [78]
  • [43,35]
  • [26,17,18]
  • [15,11,6,12]
  • [7,8,3,3,9]
Base
  • 7
  • 8
  • 3
  • 3
  • 9
TopValue
78
HiddenCells
  • {"r":4,"c":2,"v":3}
  • {"r":3,"c":3,"v":12}
  • {"r":2,"c":1,"v":17}
  • {"r":3,"c":2,"v":6}
  • {"r":3,"c":0,"v":15}
  • {"r":4,"c":1,"v":8}
  • {"r":4,"c":3,"v":3}
  • {"r":4,"c":0,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [112] → [_, 63] → [_, _, _] → [9, 11, 18, 16] → [_, _, 10, _, _]

Show answer

Answer: Row5[5]=8, Row5[1]=8, Row5[2]=1, Row3[2]=29, Row3[3]=34, Row5[4]=8, Row3[1]=20, Row2[1]=49

SubType
number-pyramid
Difficulty
hard
Levels
  • [112]
  • [49,63]
  • [20,29,34]
  • [9,11,18,16]
  • [8,1,10,8,8]
Base
  • 8
  • 1
  • 10
  • 8
  • 8
TopValue
112
HiddenCells
  • {"r":4,"c":4,"v":8}
  • {"r":4,"c":0,"v":8}
  • {"r":4,"c":1,"v":1}
  • {"r":2,"c":1,"v":29}
  • {"r":2,"c":2,"v":34}
  • {"r":4,"c":3,"v":8}
  • {"r":2,"c":0,"v":20}
  • {"r":1,"c":0,"v":49}