hard Set 50 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 29] → [23, 16, _] → [14, _, 7, _] → [_, 6, _, _, 2]

Show answer

Answer: Row1[1]=68, Row3[3]=13, Row5[3]=3, Row4[4]=6, Row5[4]=4, Row5[1]=8, Row4[2]=9, Row2[1]=39

SubType
number-pyramid
Difficulty
hard
Levels
  • [68]
  • [39,29]
  • [23,16,13]
  • [14,9,7,6]
  • [8,6,3,4,2]
Base
  • 8
  • 6
  • 3
  • 4
  • 2
TopValue
68
HiddenCells
  • {"r":0,"c":0,"v":68}
  • {"r":2,"c":2,"v":13}
  • {"r":4,"c":2,"v":3}
  • {"r":3,"c":3,"v":6}
  • {"r":4,"c":3,"v":4}
  • {"r":4,"c":0,"v":8}
  • {"r":3,"c":1,"v":9}
  • {"r":1,"c":0,"v":39}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [48] → [29, _] → [_, 11, _] → [_, 7, _, _] → [7, _, 3, _, 3]

Show answer

Answer: Row4[4]=4, Row5[2]=4, Row3[1]=18, Row5[4]=1, Row3[3]=8, Row4[3]=4, Row2[2]=19, Row4[1]=11

SubType
number-pyramid
Difficulty
hard
Levels
  • [48]
  • [29,19]
  • [18,11,8]
  • [11,7,4,4]
  • [7,4,3,1,3]
Base
  • 7
  • 4
  • 3
  • 1
  • 3
TopValue
48
HiddenCells
  • {"r":3,"c":3,"v":4}
  • {"r":4,"c":1,"v":4}
  • {"r":2,"c":0,"v":18}
  • {"r":4,"c":3,"v":1}
  • {"r":2,"c":2,"v":8}
  • {"r":3,"c":2,"v":4}
  • {"r":1,"c":1,"v":19}
  • {"r":3,"c":0,"v":11}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 31] → [_, 14, 17] → [5, _, 8, 9] → [_, _, _, _, 6]

Show answer

Answer: Row4[2]=6, Row2[1]=25, Row1[1]=56, Row5[4]=3, Row5[1]=4, Row5[2]=1, Row5[3]=5, Row3[1]=11

SubType
number-pyramid
Difficulty
hard
Levels
  • [56]
  • [25,31]
  • [11,14,17]
  • [5,6,8,9]
  • [4,1,5,3,6]
Base
  • 4
  • 1
  • 5
  • 3
  • 6
TopValue
56
HiddenCells
  • {"r":3,"c":1,"v":6}
  • {"r":1,"c":0,"v":25}
  • {"r":0,"c":0,"v":56}
  • {"r":4,"c":3,"v":3}
  • {"r":4,"c":0,"v":4}
  • {"r":4,"c":1,"v":1}
  • {"r":4,"c":2,"v":5}
  • {"r":2,"c":0,"v":11}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [96] → [_, 54] → [16, _, _] → [7, _, _, _] → [_, 1, 8, 9, _]

Show answer

Answer: Row4[4]=11, Row3[3]=28, Row3[2]=26, Row5[5]=2, Row4[3]=17, Row4[2]=9, Row2[1]=42, Row5[1]=6

SubType
number-pyramid
Difficulty
hard
Levels
  • [96]
  • [42,54]
  • [16,26,28]
  • [7,9,17,11]
  • [6,1,8,9,2]
Base
  • 6
  • 1
  • 8
  • 9
  • 2
TopValue
96
HiddenCells
  • {"r":3,"c":3,"v":11}
  • {"r":2,"c":2,"v":28}
  • {"r":2,"c":1,"v":26}
  • {"r":4,"c":4,"v":2}
  • {"r":3,"c":2,"v":17}
  • {"r":3,"c":1,"v":9}
  • {"r":1,"c":0,"v":42}
  • {"r":4,"c":0,"v":6}