hard Set 49 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [46, _] → [_, 26, 27] → [9, 11, _, _] → [5, _, _, _, 4]

Show answer

Answer: Row2[2]=53, Row3[1]=20, Row5[2]=4, Row4[3]=15, Row4[4]=12, Row5[3]=7, Row1[1]=99, Row5[4]=8

SubType
number-pyramid
Difficulty
hard
Levels
  • [99]
  • [46,53]
  • [20,26,27]
  • [9,11,15,12]
  • [5,4,7,8,4]
Base
  • 5
  • 4
  • 7
  • 8
  • 4
TopValue
99
HiddenCells
  • {"r":1,"c":1,"v":53}
  • {"r":2,"c":0,"v":20}
  • {"r":4,"c":1,"v":4}
  • {"r":3,"c":2,"v":15}
  • {"r":3,"c":3,"v":12}
  • {"r":4,"c":2,"v":7}
  • {"r":0,"c":0,"v":99}
  • {"r":4,"c":3,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [_, _, 21] → [_, _, 11, 10] → [_, 2, 2, 9, 1]

Show answer

Answer: Row5[1]=9, Row3[2]=15, Row1[1]=66, Row4[1]=11, Row2[2]=36, Row4[2]=4, Row2[1]=30, Row3[1]=15

SubType
number-pyramid
Difficulty
hard
Levels
  • [66]
  • [30,36]
  • [15,15,21]
  • [11,4,11,10]
  • [9,2,2,9,1]
Base
  • 9
  • 2
  • 2
  • 9
  • 1
TopValue
66
HiddenCells
  • {"r":4,"c":0,"v":9}
  • {"r":2,"c":1,"v":15}
  • {"r":0,"c":0,"v":66}
  • {"r":3,"c":0,"v":11}
  • {"r":1,"c":1,"v":36}
  • {"r":3,"c":1,"v":4}
  • {"r":1,"c":0,"v":30}
  • {"r":2,"c":0,"v":15}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [127] → [64, 63] → [_, _, _] → [19, 15, _, _] → [9, _, _, 10, _]

Show answer

Answer: Row3[2]=30, Row5[5]=8, Row4[4]=18, Row3[1]=34, Row5[3]=5, Row4[3]=15, Row3[3]=33, Row5[2]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [127]
  • [64,63]
  • [34,30,33]
  • [19,15,15,18]
  • [9,10,5,10,8]
Base
  • 9
  • 10
  • 5
  • 10
  • 8
TopValue
127
HiddenCells
  • {"r":2,"c":1,"v":30}
  • {"r":4,"c":4,"v":8}
  • {"r":3,"c":3,"v":18}
  • {"r":2,"c":0,"v":34}
  • {"r":4,"c":2,"v":5}
  • {"r":3,"c":2,"v":15}
  • {"r":2,"c":2,"v":33}
  • {"r":4,"c":1,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [103] → [_, _] → [22, _, _] → [7, _, 14, 9] → [2, _, 10, _, _]

Show answer

Answer: Row4[2]=15, Row5[5]=5, Row2[2]=52, Row5[4]=4, Row3[3]=23, Row2[1]=51, Row3[2]=29, Row5[2]=5

SubType
number-pyramid
Difficulty
hard
Levels
  • [103]
  • [51,52]
  • [22,29,23]
  • [7,15,14,9]
  • [2,5,10,4,5]
Base
  • 2
  • 5
  • 10
  • 4
  • 5
TopValue
103
HiddenCells
  • {"r":3,"c":1,"v":15}
  • {"r":4,"c":4,"v":5}
  • {"r":1,"c":1,"v":52}
  • {"r":4,"c":3,"v":4}
  • {"r":2,"c":2,"v":23}
  • {"r":1,"c":0,"v":51}
  • {"r":2,"c":1,"v":29}
  • {"r":4,"c":1,"v":5}