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): [_] → [59, 52] → [_, 27, _] → [17, _, 12, 13] → [7, _, _, _, _]

Show answer

Answer: Row3[3]=25, Row5[4]=7, Row5[2]=10, Row4[2]=15, Row1[1]=111, Row3[1]=32, Row5[3]=5, Row5[5]=6

SubType
number-pyramid
Difficulty
hard
Levels
  • [111]
  • [59,52]
  • [32,27,25]
  • [17,15,12,13]
  • [7,10,5,7,6]
Base
  • 7
  • 10
  • 5
  • 7
  • 6
TopValue
111
HiddenCells
  • {"r":2,"c":2,"v":25}
  • {"r":4,"c":3,"v":7}
  • {"r":4,"c":1,"v":10}
  • {"r":3,"c":1,"v":15}
  • {"r":0,"c":0,"v":111}
  • {"r":2,"c":0,"v":32}
  • {"r":4,"c":2,"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): [_] → [40, 32] → [24, _, _] → [_, _, _, _] → [3, 10, 1, 4, _]

Show answer

Answer: Row4[1]=13, Row4[4]=11, Row4[3]=5, Row3[2]=16, Row1[1]=72, Row4[2]=11, Row3[3]=16, Row5[5]=7

SubType
number-pyramid
Difficulty
hard
Levels
  • [72]
  • [40,32]
  • [24,16,16]
  • [13,11,5,11]
  • [3,10,1,4,7]
Base
  • 3
  • 10
  • 1
  • 4
  • 7
TopValue
72
HiddenCells
  • {"r":3,"c":0,"v":13}
  • {"r":3,"c":3,"v":11}
  • {"r":3,"c":2,"v":5}
  • {"r":2,"c":1,"v":16}
  • {"r":0,"c":0,"v":72}
  • {"r":3,"c":1,"v":11}
  • {"r":2,"c":2,"v":16}
  • {"r":4,"c":4,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [62] → [_, 29] → [19, 14, 15] → [_, 10, _, 11] → [_, _, _, _, _]

Show answer

Answer: Row4[1]=9, Row5[3]=2, Row2[1]=33, Row5[5]=9, Row4[3]=4, Row5[4]=2, Row5[1]=1, Row5[2]=8

SubType
number-pyramid
Difficulty
hard
Levels
  • [62]
  • [33,29]
  • [19,14,15]
  • [9,10,4,11]
  • [1,8,2,2,9]
Base
  • 1
  • 8
  • 2
  • 2
  • 9
TopValue
62
HiddenCells
  • {"r":3,"c":0,"v":9}
  • {"r":4,"c":2,"v":2}
  • {"r":1,"c":0,"v":33}
  • {"r":4,"c":4,"v":9}
  • {"r":3,"c":2,"v":4}
  • {"r":4,"c":3,"v":2}
  • {"r":4,"c":0,"v":1}
  • {"r":4,"c":1,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [84] → [36, 48] → [_, 23, 25] → [5, _, 15, _] → [_, _, _, _, _]

Show answer

Answer: Row5[2]=2, Row4[2]=8, Row5[3]=6, Row5[1]=3, Row4[4]=10, Row5[5]=1, Row5[4]=9, Row3[1]=13

SubType
number-pyramid
Difficulty
hard
Levels
  • [84]
  • [36,48]
  • [13,23,25]
  • [5,8,15,10]
  • [3,2,6,9,1]
Base
  • 3
  • 2
  • 6
  • 9
  • 1
TopValue
84
HiddenCells
  • {"r":4,"c":1,"v":2}
  • {"r":3,"c":1,"v":8}
  • {"r":4,"c":2,"v":6}
  • {"r":4,"c":0,"v":3}
  • {"r":3,"c":3,"v":10}
  • {"r":4,"c":4,"v":1}
  • {"r":4,"c":3,"v":9}
  • {"r":2,"c":0,"v":13}