hard Set 40 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [34, 56] → [11, _, _] → [_, 8, 15, 18] → [2, _, _, _, _]

Show answer

Answer: Row5[4]=8, Row5[5]=10, Row1[1]=90, Row3[2]=23, Row3[3]=33, Row5[2]=1, Row5[3]=7, Row4[1]=3

SubType
number-pyramid
Difficulty
hard
Levels
  • [90]
  • [34,56]
  • [11,23,33]
  • [3,8,15,18]
  • [2,1,7,8,10]
Base
  • 2
  • 1
  • 7
  • 8
  • 10
TopValue
90
HiddenCells
  • {"r":4,"c":3,"v":8}
  • {"r":4,"c":4,"v":10}
  • {"r":0,"c":0,"v":90}
  • {"r":2,"c":1,"v":23}
  • {"r":2,"c":2,"v":33}
  • {"r":4,"c":1,"v":1}
  • {"r":4,"c":2,"v":7}
  • {"r":3,"c":0,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [99] → [44, _] → [_, _, _] → [7, _, 17, _] → [_, _, 9, 8, 3]

Show answer

Answer: Row4[2]=10, Row3[3]=28, Row4[4]=11, Row3[1]=17, Row5[1]=6, Row5[2]=1, Row2[2]=55, Row3[2]=27

SubType
number-pyramid
Difficulty
hard
Levels
  • [99]
  • [44,55]
  • [17,27,28]
  • [7,10,17,11]
  • [6,1,9,8,3]
Base
  • 6
  • 1
  • 9
  • 8
  • 3
TopValue
99
HiddenCells
  • {"r":3,"c":1,"v":10}
  • {"r":2,"c":2,"v":28}
  • {"r":3,"c":3,"v":11}
  • {"r":2,"c":0,"v":17}
  • {"r":4,"c":0,"v":6}
  • {"r":4,"c":1,"v":1}
  • {"r":1,"c":1,"v":55}
  • {"r":2,"c":1,"v":27}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [104] → [_, 55] → [_, _, 25] → [_, 13, _, 8] → [3, _, 10, _, _]

Show answer

Answer: Row2[1]=49, Row5[4]=7, Row3[1]=19, Row5[2]=3, Row4[3]=17, Row5[5]=1, Row4[1]=6, Row3[2]=30

SubType
number-pyramid
Difficulty
hard
Levels
  • [104]
  • [49,55]
  • [19,30,25]
  • [6,13,17,8]
  • [3,3,10,7,1]
Base
  • 3
  • 3
  • 10
  • 7
  • 1
TopValue
104
HiddenCells
  • {"r":1,"c":0,"v":49}
  • {"r":4,"c":3,"v":7}
  • {"r":2,"c":0,"v":19}
  • {"r":4,"c":1,"v":3}
  • {"r":3,"c":2,"v":17}
  • {"r":4,"c":4,"v":1}
  • {"r":3,"c":0,"v":6}
  • {"r":2,"c":1,"v":30}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [28, _, 27] → [12, _, 16, 11] → [4, _, _, _, 3]

Show answer

Answer: Row5[2]=8, Row2[1]=60, Row2[2]=59, Row5[4]=8, Row4[2]=16, Row3[2]=32, Row5[3]=8, Row1[1]=119

SubType
number-pyramid
Difficulty
hard
Levels
  • [119]
  • [60,59]
  • [28,32,27]
  • [12,16,16,11]
  • [4,8,8,8,3]
Base
  • 4
  • 8
  • 8
  • 8
  • 3
TopValue
119
HiddenCells
  • {"r":4,"c":1,"v":8}
  • {"r":1,"c":0,"v":60}
  • {"r":1,"c":1,"v":59}
  • {"r":4,"c":3,"v":8}
  • {"r":3,"c":1,"v":16}
  • {"r":2,"c":1,"v":32}
  • {"r":4,"c":2,"v":8}
  • {"r":0,"c":0,"v":119}