hard Set 11 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [37, _] → [21, _, 19] → [_, 7, 9, _] → [_, _, _, 6, 4]

Show answer

Answer: Row4[4]=10, Row5[2]=4, Row1[1]=72, Row2[2]=35, Row4[1]=14, Row5[3]=3, Row3[2]=16, Row5[1]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [72]
  • [37,35]
  • [21,16,19]
  • [14,7,9,10]
  • [10,4,3,6,4]
Base
  • 10
  • 4
  • 3
  • 6
  • 4
TopValue
72
HiddenCells
  • {"r":3,"c":3,"v":10}
  • {"r":4,"c":1,"v":4}
  • {"r":0,"c":0,"v":72}
  • {"r":1,"c":1,"v":35}
  • {"r":3,"c":0,"v":14}
  • {"r":4,"c":2,"v":3}
  • {"r":2,"c":1,"v":16}
  • {"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): [73] → [44, _] → [28, _, _] → [18, _, 6, _] → [_, 9, _, 5, _]

Show answer

Answer: Row3[3]=13, Row5[5]=2, Row3[2]=16, Row4[4]=7, Row5[3]=1, Row2[2]=29, Row4[2]=10, Row5[1]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [73]
  • [44,29]
  • [28,16,13]
  • [18,10,6,7]
  • [9,9,1,5,2]
Base
  • 9
  • 9
  • 1
  • 5
  • 2
TopValue
73
HiddenCells
  • {"r":2,"c":2,"v":13}
  • {"r":4,"c":4,"v":2}
  • {"r":2,"c":1,"v":16}
  • {"r":3,"c":3,"v":7}
  • {"r":4,"c":2,"v":1}
  • {"r":1,"c":1,"v":29}
  • {"r":3,"c":1,"v":10}
  • {"r":4,"c":0,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [34, 41] → [_, 19, 22] → [_, _, 11, _] → [1, 6, _, _, _]

Show answer

Answer: Row5[3]=2, Row4[4]=11, Row3[1]=15, Row5[4]=9, Row5[5]=2, Row4[2]=8, Row1[1]=75, Row4[1]=7

SubType
number-pyramid
Difficulty
hard
Levels
  • [75]
  • [34,41]
  • [15,19,22]
  • [7,8,11,11]
  • [1,6,2,9,2]
Base
  • 1
  • 6
  • 2
  • 9
  • 2
TopValue
75
HiddenCells
  • {"r":4,"c":2,"v":2}
  • {"r":3,"c":3,"v":11}
  • {"r":2,"c":0,"v":15}
  • {"r":4,"c":3,"v":9}
  • {"r":4,"c":4,"v":2}
  • {"r":3,"c":1,"v":8}
  • {"r":0,"c":0,"v":75}
  • {"r":3,"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): [_] → [_, 58] → [_, 29, 29] → [12, 15, _, 15] → [_, _, 9, _, _]

Show answer

Answer: Row2[1]=56, Row5[1]=6, Row3[1]=27, Row1[1]=114, Row4[3]=14, Row5[4]=5, Row5[2]=6, Row5[5]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [114]
  • [56,58]
  • [27,29,29]
  • [12,15,14,15]
  • [6,6,9,5,10]
Base
  • 6
  • 6
  • 9
  • 5
  • 10
TopValue
114
HiddenCells
  • {"r":1,"c":0,"v":56}
  • {"r":4,"c":0,"v":6}
  • {"r":2,"c":0,"v":27}
  • {"r":0,"c":0,"v":114}
  • {"r":3,"c":2,"v":14}
  • {"r":4,"c":3,"v":5}
  • {"r":4,"c":1,"v":6}
  • {"r":4,"c":4,"v":10}