hard Set 47 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [65, _] → [31, _, 28] → [_, 17, _, _] → [7, 7, _, 7, _]

Show answer

Answer: Row5[3]=10, Row4[3]=17, Row4[4]=11, Row1[1]=127, Row3[2]=34, Row4[1]=14, Row5[5]=4, Row2[2]=62

SubType
number-pyramid
Difficulty
hard
Levels
  • [127]
  • [65,62]
  • [31,34,28]
  • [14,17,17,11]
  • [7,7,10,7,4]
Base
  • 7
  • 7
  • 10
  • 7
  • 4
TopValue
127
HiddenCells
  • {"r":4,"c":2,"v":10}
  • {"r":3,"c":2,"v":17}
  • {"r":3,"c":3,"v":11}
  • {"r":0,"c":0,"v":127}
  • {"r":2,"c":1,"v":34}
  • {"r":3,"c":0,"v":14}
  • {"r":4,"c":4,"v":4}
  • {"r":1,"c":1,"v":62}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [39, _] → [_, 22, 31] → [8, _, 13, 18] → [_, _, _, 8, _]

Show answer

Answer: Row4[2]=9, Row5[3]=5, Row2[2]=53, Row5[1]=4, Row1[1]=92, Row5[5]=10, Row5[2]=4, Row3[1]=17

SubType
number-pyramid
Difficulty
hard
Levels
  • [92]
  • [39,53]
  • [17,22,31]
  • [8,9,13,18]
  • [4,4,5,8,10]
Base
  • 4
  • 4
  • 5
  • 8
  • 10
TopValue
92
HiddenCells
  • {"r":3,"c":1,"v":9}
  • {"r":4,"c":2,"v":5}
  • {"r":1,"c":1,"v":53}
  • {"r":4,"c":0,"v":4}
  • {"r":0,"c":0,"v":92}
  • {"r":4,"c":4,"v":10}
  • {"r":4,"c":1,"v":4}
  • {"r":2,"c":0,"v":17}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [92] → [_, _] → [34, _, 14] → [_, 15, _, _] → [_, 10, 5, _, 5]

Show answer

Answer: Row2[1]=56, Row4[4]=7, Row5[4]=2, Row2[2]=36, Row3[2]=22, Row4[3]=7, Row5[1]=9, Row4[1]=19

SubType
number-pyramid
Difficulty
hard
Levels
  • [92]
  • [56,36]
  • [34,22,14]
  • [19,15,7,7]
  • [9,10,5,2,5]
Base
  • 9
  • 10
  • 5
  • 2
  • 5
TopValue
92
HiddenCells
  • {"r":1,"c":0,"v":56}
  • {"r":3,"c":3,"v":7}
  • {"r":4,"c":3,"v":2}
  • {"r":1,"c":1,"v":36}
  • {"r":2,"c":1,"v":22}
  • {"r":3,"c":2,"v":7}
  • {"r":4,"c":0,"v":9}
  • {"r":3,"c":0,"v":19}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [20, 31] → [_, 12, 19] → [_, _, _, _] → [_, 2, _, 4, 8]

Show answer

Answer: Row3[1]=8, Row4[1]=3, Row4[3]=7, Row4[4]=12, Row5[1]=1, Row5[3]=3, Row1[1]=51, Row4[2]=5

SubType
number-pyramid
Difficulty
hard
Levels
  • [51]
  • [20,31]
  • [8,12,19]
  • [3,5,7,12]
  • [1,2,3,4,8]
Base
  • 1
  • 2
  • 3
  • 4
  • 8
TopValue
51
HiddenCells
  • {"r":2,"c":0,"v":8}
  • {"r":3,"c":0,"v":3}
  • {"r":3,"c":2,"v":7}
  • {"r":3,"c":3,"v":12}
  • {"r":4,"c":0,"v":1}
  • {"r":4,"c":2,"v":3}
  • {"r":0,"c":0,"v":51}
  • {"r":3,"c":1,"v":5}