hard Set 17 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [22, 27, _] → [12, _, _, 15] → [_, _, 8, 9, 6]

Show answer

Answer: Row3[3]=32, Row1[1]=108, Row4[2]=10, Row4[3]=17, Row2[2]=59, Row2[1]=49, Row5[2]=2, Row5[1]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [108]
  • [49,59]
  • [22,27,32]
  • [12,10,17,15]
  • [10,2,8,9,6]
Base
  • 10
  • 2
  • 8
  • 9
  • 6
TopValue
108
HiddenCells
  • {"r":2,"c":2,"v":32}
  • {"r":0,"c":0,"v":108}
  • {"r":3,"c":1,"v":10}
  • {"r":3,"c":2,"v":17}
  • {"r":1,"c":1,"v":59}
  • {"r":1,"c":0,"v":49}
  • {"r":4,"c":1,"v":2}
  • {"r":4,"c":0,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [48] → [26, 22] → [_, 11, _] → [_, _, _, _] → [8, 2, 3, _, _]

Show answer

Answer: Row3[1]=15, Row5[4]=3, Row4[1]=10, Row4[2]=5, Row4[4]=5, Row3[3]=11, Row4[3]=6, Row5[5]=2

SubType
number-pyramid
Difficulty
hard
Levels
  • [48]
  • [26,22]
  • [15,11,11]
  • [10,5,6,5]
  • [8,2,3,3,2]
Base
  • 8
  • 2
  • 3
  • 3
  • 2
TopValue
48
HiddenCells
  • {"r":2,"c":0,"v":15}
  • {"r":4,"c":3,"v":3}
  • {"r":3,"c":0,"v":10}
  • {"r":3,"c":1,"v":5}
  • {"r":3,"c":3,"v":5}
  • {"r":2,"c":2,"v":11}
  • {"r":3,"c":2,"v":6}
  • {"r":4,"c":4,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [_, _, 35] → [10, 15, 16, _] → [_, 9, 6, _, 9]

Show answer

Answer: Row5[4]=10, Row3[1]=25, Row2[2]=66, Row2[1]=56, Row1[1]=122, Row4[4]=19, Row5[1]=1, Row3[2]=31

SubType
number-pyramid
Difficulty
hard
Levels
  • [122]
  • [56,66]
  • [25,31,35]
  • [10,15,16,19]
  • [1,9,6,10,9]
Base
  • 1
  • 9
  • 6
  • 10
  • 9
TopValue
122
HiddenCells
  • {"r":4,"c":3,"v":10}
  • {"r":2,"c":0,"v":25}
  • {"r":1,"c":1,"v":66}
  • {"r":1,"c":0,"v":56}
  • {"r":0,"c":0,"v":122}
  • {"r":3,"c":3,"v":19}
  • {"r":4,"c":0,"v":1}
  • {"r":2,"c":1,"v":31}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 20] → [_, 10, _] → [8, 6, _, _] → [4, 4, 2, _, _]

Show answer

Answer: Row5[5]=4, Row4[4]=6, Row4[3]=4, Row1[1]=44, Row3[1]=14, Row2[1]=24, Row5[4]=2, Row3[3]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [44]
  • [24,20]
  • [14,10,10]
  • [8,6,4,6]
  • [4,4,2,2,4]
Base
  • 4
  • 4
  • 2
  • 2
  • 4
TopValue
44
HiddenCells
  • {"r":4,"c":4,"v":4}
  • {"r":3,"c":3,"v":6}
  • {"r":3,"c":2,"v":4}
  • {"r":0,"c":0,"v":44}
  • {"r":2,"c":0,"v":14}
  • {"r":1,"c":0,"v":24}
  • {"r":4,"c":3,"v":2}
  • {"r":2,"c":2,"v":10}