hard Set 28 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [71] → [_, 26] → [_, 18, _] → [14, _, _, 3] → [_, _, 3, _, 1]

Show answer

Answer: Row3[3]=8, Row2[1]=45, Row5[1]=4, Row4[2]=13, Row3[1]=27, Row4[3]=5, Row5[2]=10, Row5[4]=2

SubType
number-pyramid
Difficulty
hard
Levels
  • [71]
  • [45,26]
  • [27,18,8]
  • [14,13,5,3]
  • [4,10,3,2,1]
Base
  • 4
  • 10
  • 3
  • 2
  • 1
TopValue
71
HiddenCells
  • {"r":2,"c":2,"v":8}
  • {"r":1,"c":0,"v":45}
  • {"r":4,"c":0,"v":4}
  • {"r":3,"c":1,"v":13}
  • {"r":2,"c":0,"v":27}
  • {"r":3,"c":2,"v":5}
  • {"r":4,"c":1,"v":10}
  • {"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): [_] → [_, 46] → [28, 25, _] → [14, 14, _, _] → [_, 8, _, _, 5]

Show answer

Answer: Row4[4]=10, Row2[1]=53, Row5[4]=5, Row3[3]=21, Row5[1]=6, Row4[3]=11, Row1[1]=99, Row5[3]=6

SubType
number-pyramid
Difficulty
hard
Levels
  • [99]
  • [53,46]
  • [28,25,21]
  • [14,14,11,10]
  • [6,8,6,5,5]
Base
  • 6
  • 8
  • 6
  • 5
  • 5
TopValue
99
HiddenCells
  • {"r":3,"c":3,"v":10}
  • {"r":1,"c":0,"v":53}
  • {"r":4,"c":3,"v":5}
  • {"r":2,"c":2,"v":21}
  • {"r":4,"c":0,"v":6}
  • {"r":3,"c":2,"v":11}
  • {"r":0,"c":0,"v":99}
  • {"r":4,"c":2,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [36, _, _] → [20, 16, _, 9] → [10, 10, _, 5, _]

Show answer

Answer: Row3[3]=20, Row4[3]=11, Row1[1]=110, Row2[2]=47, Row2[1]=63, Row5[3]=6, Row3[2]=27, Row5[5]=4

SubType
number-pyramid
Difficulty
hard
Levels
  • [110]
  • [63,47]
  • [36,27,20]
  • [20,16,11,9]
  • [10,10,6,5,4]
Base
  • 10
  • 10
  • 6
  • 5
  • 4
TopValue
110
HiddenCells
  • {"r":2,"c":2,"v":20}
  • {"r":3,"c":2,"v":11}
  • {"r":0,"c":0,"v":110}
  • {"r":1,"c":1,"v":47}
  • {"r":1,"c":0,"v":63}
  • {"r":4,"c":2,"v":6}
  • {"r":2,"c":1,"v":27}
  • {"r":4,"c":4,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [34, 28, 23] → [_, 15, 13, _] → [_, _, _, 7, 3]

Show answer

Answer: Row1[1]=113, Row5[2]=9, Row5[1]=10, Row4[4]=10, Row5[3]=6, Row2[1]=62, Row4[1]=19, Row2[2]=51

SubType
number-pyramid
Difficulty
hard
Levels
  • [113]
  • [62,51]
  • [34,28,23]
  • [19,15,13,10]
  • [10,9,6,7,3]
Base
  • 10
  • 9
  • 6
  • 7
  • 3
TopValue
113
HiddenCells
  • {"r":0,"c":0,"v":113}
  • {"r":4,"c":1,"v":9}
  • {"r":4,"c":0,"v":10}
  • {"r":3,"c":3,"v":10}
  • {"r":4,"c":2,"v":6}
  • {"r":1,"c":0,"v":62}
  • {"r":3,"c":0,"v":19}
  • {"r":1,"c":1,"v":51}