hard Set 12 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [20, 29, 26] → [_, 14, 15, 11] → [2, _, _, _, _]

Show answer

Answer: Row5[2]=4, Row4[1]=6, Row2[2]=55, Row1[1]=104, Row2[1]=49, Row5[3]=10, Row5[4]=5, Row5[5]=6

SubType
number-pyramid
Difficulty
hard
Levels
  • [104]
  • [49,55]
  • [20,29,26]
  • [6,14,15,11]
  • [2,4,10,5,6]
Base
  • 2
  • 4
  • 10
  • 5
  • 6
TopValue
104
HiddenCells
  • {"r":4,"c":1,"v":4}
  • {"r":3,"c":0,"v":6}
  • {"r":1,"c":1,"v":55}
  • {"r":0,"c":0,"v":104}
  • {"r":1,"c":0,"v":49}
  • {"r":4,"c":2,"v":10}
  • {"r":4,"c":3,"v":5}
  • {"r":4,"c":4,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [91] → [42, _] → [18, 24, 25] → [_, _, _, _] → [_, _, _, 8, 3]

Show answer

Answer: Row4[2]=10, Row5[2]=4, Row4[1]=8, Row2[2]=49, Row4[4]=11, Row5[1]=4, Row4[3]=14, Row5[3]=6

SubType
number-pyramid
Difficulty
hard
Levels
  • [91]
  • [42,49]
  • [18,24,25]
  • [8,10,14,11]
  • [4,4,6,8,3]
Base
  • 4
  • 4
  • 6
  • 8
  • 3
TopValue
91
HiddenCells
  • {"r":3,"c":1,"v":10}
  • {"r":4,"c":1,"v":4}
  • {"r":3,"c":0,"v":8}
  • {"r":1,"c":1,"v":49}
  • {"r":3,"c":3,"v":11}
  • {"r":4,"c":0,"v":4}
  • {"r":3,"c":2,"v":14}
  • {"r":4,"c":2,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [26, _] → [13, _, _] → [_, 4, 9, _] → [_, 3, _, 8, 10]

Show answer

Answer: Row4[4]=18, Row1[1]=66, Row3[2]=13, Row2[2]=40, Row5[3]=1, Row3[3]=27, Row4[1]=9, Row5[1]=6

SubType
number-pyramid
Difficulty
hard
Levels
  • [66]
  • [26,40]
  • [13,13,27]
  • [9,4,9,18]
  • [6,3,1,8,10]
Base
  • 6
  • 3
  • 1
  • 8
  • 10
TopValue
66
HiddenCells
  • {"r":3,"c":3,"v":18}
  • {"r":0,"c":0,"v":66}
  • {"r":2,"c":1,"v":13}
  • {"r":1,"c":1,"v":40}
  • {"r":4,"c":2,"v":1}
  • {"r":2,"c":2,"v":27}
  • {"r":3,"c":0,"v":9}
  • {"r":4,"c":0,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [23, 30] → [_, 13, _] → [3, _, _, 11] → [1, _, _, 1, _]

Show answer

Answer: Row3[3]=17, Row4[3]=6, Row5[5]=10, Row1[1]=53, Row5[3]=5, Row5[2]=2, Row4[2]=7, Row3[1]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [53]
  • [23,30]
  • [10,13,17]
  • [3,7,6,11]
  • [1,2,5,1,10]
Base
  • 1
  • 2
  • 5
  • 1
  • 10
TopValue
53
HiddenCells
  • {"r":2,"c":2,"v":17}
  • {"r":3,"c":2,"v":6}
  • {"r":4,"c":4,"v":10}
  • {"r":0,"c":0,"v":53}
  • {"r":4,"c":2,"v":5}
  • {"r":4,"c":1,"v":2}
  • {"r":3,"c":1,"v":7}
  • {"r":2,"c":0,"v":10}