hard Set 75 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [56, 51] → [31, _, _] → [17, 14, _, _] → [_, 10, 4, _, _]

Show answer

Answer: Row1[1]=107, Row3[2]=25, Row3[3]=26, Row5[5]=8, Row5[4]=7, Row5[1]=7, Row4[4]=15, Row4[3]=11

SubType
number-pyramid
Difficulty
hard
Levels
  • [107]
  • [56,51]
  • [31,25,26]
  • [17,14,11,15]
  • [7,10,4,7,8]
Base
  • 7
  • 10
  • 4
  • 7
  • 8
TopValue
107
HiddenCells
  • {"r":0,"c":0,"v":107}
  • {"r":2,"c":1,"v":25}
  • {"r":2,"c":2,"v":26}
  • {"r":4,"c":4,"v":8}
  • {"r":4,"c":3,"v":7}
  • {"r":4,"c":0,"v":7}
  • {"r":3,"c":3,"v":15}
  • {"r":3,"c":2,"v":11}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [59, _] → [28, _, _] → [_, 16, _, _] → [2, 10, 6, _, 3]

Show answer

Answer: Row4[4]=12, Row2[2]=58, Row4[3]=15, Row3[2]=31, Row5[4]=9, Row1[1]=117, Row4[1]=12, Row3[3]=27

SubType
number-pyramid
Difficulty
hard
Levels
  • [117]
  • [59,58]
  • [28,31,27]
  • [12,16,15,12]
  • [2,10,6,9,3]
Base
  • 2
  • 10
  • 6
  • 9
  • 3
TopValue
117
HiddenCells
  • {"r":3,"c":3,"v":12}
  • {"r":1,"c":1,"v":58}
  • {"r":3,"c":2,"v":15}
  • {"r":2,"c":1,"v":31}
  • {"r":4,"c":3,"v":9}
  • {"r":0,"c":0,"v":117}
  • {"r":3,"c":0,"v":12}
  • {"r":2,"c":2,"v":27}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [79] → [38, 41] → [_, _, 19] → [_, _, _, _] → [_, 3, _, 1, 8]

Show answer

Answer: Row3[1]=16, Row3[2]=22, Row5[3]=9, Row4[4]=9, Row4[2]=12, Row5[1]=1, Row4[3]=10, Row4[1]=4

SubType
number-pyramid
Difficulty
hard
Levels
  • [79]
  • [38,41]
  • [16,22,19]
  • [4,12,10,9]
  • [1,3,9,1,8]
Base
  • 1
  • 3
  • 9
  • 1
  • 8
TopValue
79
HiddenCells
  • {"r":2,"c":0,"v":16}
  • {"r":2,"c":1,"v":22}
  • {"r":4,"c":2,"v":9}
  • {"r":3,"c":3,"v":9}
  • {"r":3,"c":1,"v":12}
  • {"r":4,"c":0,"v":1}
  • {"r":3,"c":2,"v":10}
  • {"r":3,"c":0,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [_, 12, _] → [10, 8, _, 7] → [_, 6, 2, _, 5]

Show answer

Answer: Row5[1]=4, Row2[1]=30, Row4[3]=4, Row2[2]=23, Row5[4]=2, Row3[1]=18, Row3[3]=11, Row1[1]=53

SubType
number-pyramid
Difficulty
hard
Levels
  • [53]
  • [30,23]
  • [18,12,11]
  • [10,8,4,7]
  • [4,6,2,2,5]
Base
  • 4
  • 6
  • 2
  • 2
  • 5
TopValue
53
HiddenCells
  • {"r":4,"c":0,"v":4}
  • {"r":1,"c":0,"v":30}
  • {"r":3,"c":2,"v":4}
  • {"r":1,"c":1,"v":23}
  • {"r":4,"c":3,"v":2}
  • {"r":2,"c":0,"v":18}
  • {"r":2,"c":2,"v":11}
  • {"r":0,"c":0,"v":53}