hard Set 22 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [61, 50] → [33, _, 22] → [18, _, _, _] → [9, 9, _, _, _]

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Answer: Row1[1]=111, Row5[4]=7, Row5[3]=6, Row4[2]=15, Row5[5]=2, Row4[4]=9, Row4[3]=13, Row3[2]=28

SubType
number-pyramid
Difficulty
hard
Levels
  • [111]
  • [61,50]
  • [33,28,22]
  • [18,15,13,9]
  • [9,9,6,7,2]
Base
  • 9
  • 9
  • 6
  • 7
  • 2
TopValue
111
HiddenCells
  • {"r":0,"c":0,"v":111}
  • {"r":4,"c":3,"v":7}
  • {"r":4,"c":2,"v":6}
  • {"r":3,"c":1,"v":15}
  • {"r":4,"c":4,"v":2}
  • {"r":3,"c":3,"v":9}
  • {"r":3,"c":2,"v":13}
  • {"r":2,"c":1,"v":28}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [123] → [56, 67] → [_, _, _] → [7, _, 17, _] → [1, _, _, 7, _]

Show answer

Answer: Row3[3]=34, Row5[3]=10, Row4[4]=17, Row3[2]=33, Row3[1]=23, Row5[2]=6, Row4[2]=16, Row5[5]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [123]
  • [56,67]
  • [23,33,34]
  • [7,16,17,17]
  • [1,6,10,7,10]
Base
  • 1
  • 6
  • 10
  • 7
  • 10
TopValue
123
HiddenCells
  • {"r":2,"c":2,"v":34}
  • {"r":4,"c":2,"v":10}
  • {"r":3,"c":3,"v":17}
  • {"r":2,"c":1,"v":33}
  • {"r":2,"c":0,"v":23}
  • {"r":4,"c":1,"v":6}
  • {"r":3,"c":1,"v":16}
  • {"r":4,"c":4,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [71] → [37, 34] → [_, 18, _] → [_, _, _, _] → [_, 3, 6, 3, _]

Show answer

Answer: Row5[5]=4, Row4[4]=7, Row3[1]=19, Row4[3]=9, Row5[1]=7, Row4[1]=10, Row3[3]=16, Row4[2]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [71]
  • [37,34]
  • [19,18,16]
  • [10,9,9,7]
  • [7,3,6,3,4]
Base
  • 7
  • 3
  • 6
  • 3
  • 4
TopValue
71
HiddenCells
  • {"r":4,"c":4,"v":4}
  • {"r":3,"c":3,"v":7}
  • {"r":2,"c":0,"v":19}
  • {"r":3,"c":2,"v":9}
  • {"r":4,"c":0,"v":7}
  • {"r":3,"c":0,"v":10}
  • {"r":2,"c":2,"v":16}
  • {"r":3,"c":1,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [131] → [_, 62] → [33, 36, 26] → [_, _, _, _] → [_, 10, _, 8, _]

Show answer

Answer: Row4[2]=19, Row5[3]=9, Row4[1]=14, Row2[1]=69, Row4[3]=17, Row4[4]=9, Row5[5]=1, Row5[1]=4

SubType
number-pyramid
Difficulty
hard
Levels
  • [131]
  • [69,62]
  • [33,36,26]
  • [14,19,17,9]
  • [4,10,9,8,1]
Base
  • 4
  • 10
  • 9
  • 8
  • 1
TopValue
131
HiddenCells
  • {"r":3,"c":1,"v":19}
  • {"r":4,"c":2,"v":9}
  • {"r":3,"c":0,"v":14}
  • {"r":1,"c":0,"v":69}
  • {"r":3,"c":2,"v":17}
  • {"r":3,"c":3,"v":9}
  • {"r":4,"c":4,"v":1}
  • {"r":4,"c":0,"v":4}