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): [_] → [_, _] → [_, 23, 22] → [_, 12, 11, 11] → [_, 10, _, 9, _]

Show answer

Answer: Row2[1]=49, Row4[1]=14, Row3[1]=26, Row2[2]=45, Row5[3]=2, Row1[1]=94, Row5[1]=4, Row5[5]=2

SubType
number-pyramid
Difficulty
hard
Levels
  • [94]
  • [49,45]
  • [26,23,22]
  • [14,12,11,11]
  • [4,10,2,9,2]
Base
  • 4
  • 10
  • 2
  • 9
  • 2
TopValue
94
HiddenCells
  • {"r":1,"c":0,"v":49}
  • {"r":3,"c":0,"v":14}
  • {"r":2,"c":0,"v":26}
  • {"r":1,"c":1,"v":45}
  • {"r":4,"c":2,"v":2}
  • {"r":0,"c":0,"v":94}
  • {"r":4,"c":0,"v":4}
  • {"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): [_] → [_, 25] → [15, _, _] → [_, _, 6, 8] → [_, 4, 1, 5, _]

Show answer

Answer: Row1[1]=51, Row5[5]=3, Row3[2]=11, Row2[1]=26, Row4[2]=5, Row4[1]=10, Row5[1]=6, Row3[3]=14

SubType
number-pyramid
Difficulty
hard
Levels
  • [51]
  • [26,25]
  • [15,11,14]
  • [10,5,6,8]
  • [6,4,1,5,3]
Base
  • 6
  • 4
  • 1
  • 5
  • 3
TopValue
51
HiddenCells
  • {"r":0,"c":0,"v":51}
  • {"r":4,"c":4,"v":3}
  • {"r":2,"c":1,"v":11}
  • {"r":1,"c":0,"v":26}
  • {"r":3,"c":1,"v":5}
  • {"r":3,"c":0,"v":10}
  • {"r":4,"c":0,"v":6}
  • {"r":2,"c":2,"v":14}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 40] → [14, _, 24] → [8, _, _, 14] → [5, 3, _, _, _]

Show answer

Answer: Row3[2]=16, Row5[3]=3, Row4[2]=6, Row5[4]=7, Row4[3]=10, Row5[5]=7, Row2[1]=30, Row1[1]=70

SubType
number-pyramid
Difficulty
hard
Levels
  • [70]
  • [30,40]
  • [14,16,24]
  • [8,6,10,14]
  • [5,3,3,7,7]
Base
  • 5
  • 3
  • 3
  • 7
  • 7
TopValue
70
HiddenCells
  • {"r":2,"c":1,"v":16}
  • {"r":4,"c":2,"v":3}
  • {"r":3,"c":1,"v":6}
  • {"r":4,"c":3,"v":7}
  • {"r":3,"c":2,"v":10}
  • {"r":4,"c":4,"v":7}
  • {"r":1,"c":0,"v":30}
  • {"r":0,"c":0,"v":70}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [34, 25] → [_, _, _] → [11, _, 5, 6] → [_, _, 1, _, 2]

Show answer

Answer: Row4[2]=9, Row5[1]=3, Row3[2]=14, Row5[4]=4, Row5[2]=8, Row3[1]=20, Row3[3]=11, Row1[1]=59

SubType
number-pyramid
Difficulty
hard
Levels
  • [59]
  • [34,25]
  • [20,14,11]
  • [11,9,5,6]
  • [3,8,1,4,2]
Base
  • 3
  • 8
  • 1
  • 4
  • 2
TopValue
59
HiddenCells
  • {"r":3,"c":1,"v":9}
  • {"r":4,"c":0,"v":3}
  • {"r":2,"c":1,"v":14}
  • {"r":4,"c":3,"v":4}
  • {"r":4,"c":1,"v":8}
  • {"r":2,"c":0,"v":20}
  • {"r":2,"c":2,"v":11}
  • {"r":0,"c":0,"v":59}