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): [_] → [_, 51] → [25, _, 26] → [_, _, 12, 14] → [_, 8, _, 7, _]

Show answer

Answer: Row5[5]=7, Row1[1]=101, Row5[3]=5, Row2[1]=50, Row3[2]=25, Row4[1]=12, Row4[2]=13, Row5[1]=4

SubType
number-pyramid
Difficulty
hard
Levels
  • [101]
  • [50,51]
  • [25,25,26]
  • [12,13,12,14]
  • [4,8,5,7,7]
Base
  • 4
  • 8
  • 5
  • 7
  • 7
TopValue
101
HiddenCells
  • {"r":4,"c":4,"v":7}
  • {"r":0,"c":0,"v":101}
  • {"r":4,"c":2,"v":5}
  • {"r":1,"c":0,"v":50}
  • {"r":2,"c":1,"v":25}
  • {"r":3,"c":0,"v":12}
  • {"r":3,"c":1,"v":13}
  • {"r":4,"c":0,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [111] → [59, _] → [_, _, _] → [_, _, 12, 12] → [5, _, 6, _, 6]

Show answer

Answer: Row3[2]=28, Row3[1]=31, Row2[2]=52, Row4[1]=15, Row3[3]=24, Row4[2]=16, Row5[2]=10, Row5[4]=6

SubType
number-pyramid
Difficulty
hard
Levels
  • [111]
  • [59,52]
  • [31,28,24]
  • [15,16,12,12]
  • [5,10,6,6,6]
Base
  • 5
  • 10
  • 6
  • 6
  • 6
TopValue
111
HiddenCells
  • {"r":2,"c":1,"v":28}
  • {"r":2,"c":0,"v":31}
  • {"r":1,"c":1,"v":52}
  • {"r":3,"c":0,"v":15}
  • {"r":2,"c":2,"v":24}
  • {"r":3,"c":1,"v":16}
  • {"r":4,"c":1,"v":10}
  • {"r":4,"c":3,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [127] → [63, _] → [_, _, _] → [_, _, 17, _] → [8, 8, 7, _, 5]

Show answer

Answer: Row4[1]=16, Row2[2]=64, Row3[3]=32, Row4[2]=15, Row3[1]=31, Row4[4]=15, Row5[4]=10, Row3[2]=32

SubType
number-pyramid
Difficulty
hard
Levels
  • [127]
  • [63,64]
  • [31,32,32]
  • [16,15,17,15]
  • [8,8,7,10,5]
Base
  • 8
  • 8
  • 7
  • 10
  • 5
TopValue
127
HiddenCells
  • {"r":3,"c":0,"v":16}
  • {"r":1,"c":1,"v":64}
  • {"r":2,"c":2,"v":32}
  • {"r":3,"c":1,"v":15}
  • {"r":2,"c":0,"v":31}
  • {"r":3,"c":3,"v":15}
  • {"r":4,"c":3,"v":10}
  • {"r":2,"c":1,"v":32}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 44] → [_, 26, _] → [_, _, 11, 7] → [5, 8, _, _, 3]

Show answer

Answer: Row4[1]=13, Row1[1]=98, Row3[1]=28, Row5[4]=4, Row3[3]=18, Row4[2]=15, Row5[3]=7, Row2[1]=54

SubType
number-pyramid
Difficulty
hard
Levels
  • [98]
  • [54,44]
  • [28,26,18]
  • [13,15,11,7]
  • [5,8,7,4,3]
Base
  • 5
  • 8
  • 7
  • 4
  • 3
TopValue
98
HiddenCells
  • {"r":3,"c":0,"v":13}
  • {"r":0,"c":0,"v":98}
  • {"r":2,"c":0,"v":28}
  • {"r":4,"c":3,"v":4}
  • {"r":2,"c":2,"v":18}
  • {"r":3,"c":1,"v":15}
  • {"r":4,"c":2,"v":7}
  • {"r":1,"c":0,"v":54}