hard Set 57 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [71] → [28, 43] → [_, _, _] → [_, 4, _, 15] → [_, 2, _, 10, _]

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Answer: Row3[2]=16, Row3[1]=12, Row3[3]=27, Row4[1]=8, Row5[5]=5, Row5[3]=2, Row5[1]=6, Row4[3]=12

SubType
number-pyramid
Difficulty
hard
Levels
  • [71]
  • [28,43]
  • [12,16,27]
  • [8,4,12,15]
  • [6,2,2,10,5]
Base
  • 6
  • 2
  • 2
  • 10
  • 5
TopValue
71
HiddenCells
  • {"r":2,"c":1,"v":16}
  • {"r":2,"c":0,"v":12}
  • {"r":2,"c":2,"v":27}
  • {"r":3,"c":0,"v":8}
  • {"r":4,"c":4,"v":5}
  • {"r":4,"c":2,"v":2}
  • {"r":4,"c":0,"v":6}
  • {"r":3,"c":2,"v":12}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [14, 8, 15] → [_, 4, 4, _] → [_, 2, 2, _, _]

Show answer

Answer: Row5[4]=2, Row4[1]=10, Row4[4]=11, Row2[2]=23, Row5[5]=9, Row1[1]=45, Row2[1]=22, Row5[1]=8

SubType
number-pyramid
Difficulty
hard
Levels
  • [45]
  • [22,23]
  • [14,8,15]
  • [10,4,4,11]
  • [8,2,2,2,9]
Base
  • 8
  • 2
  • 2
  • 2
  • 9
TopValue
45
HiddenCells
  • {"r":4,"c":3,"v":2}
  • {"r":3,"c":0,"v":10}
  • {"r":3,"c":3,"v":11}
  • {"r":1,"c":1,"v":23}
  • {"r":4,"c":4,"v":9}
  • {"r":0,"c":0,"v":45}
  • {"r":1,"c":0,"v":22}
  • {"r":4,"c":0,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [_, 20, _] → [_, 9, 11, 8] → [_, 4, 5, 6, _]

Show answer

Answer: Row5[5]=2, Row4[1]=13, Row5[1]=9, Row3[3]=19, Row3[1]=22, Row1[1]=81, Row2[2]=39, Row2[1]=42

SubType
number-pyramid
Difficulty
hard
Levels
  • [81]
  • [42,39]
  • [22,20,19]
  • [13,9,11,8]
  • [9,4,5,6,2]
Base
  • 9
  • 4
  • 5
  • 6
  • 2
TopValue
81
HiddenCells
  • {"r":4,"c":4,"v":2}
  • {"r":3,"c":0,"v":13}
  • {"r":4,"c":0,"v":9}
  • {"r":2,"c":2,"v":19}
  • {"r":2,"c":0,"v":22}
  • {"r":0,"c":0,"v":81}
  • {"r":1,"c":1,"v":39}
  • {"r":1,"c":0,"v":42}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [46, 59] → [_, _, 32] → [_, _, _, _] → [7, _, 8, 9, 6]

Show answer

Answer: Row4[1]=9, Row3[1]=19, Row5[2]=2, Row1[1]=105, Row4[3]=17, Row3[2]=27, Row4[4]=15, Row4[2]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [105]
  • [46,59]
  • [19,27,32]
  • [9,10,17,15]
  • [7,2,8,9,6]
Base
  • 7
  • 2
  • 8
  • 9
  • 6
TopValue
105
HiddenCells
  • {"r":3,"c":0,"v":9}
  • {"r":2,"c":0,"v":19}
  • {"r":4,"c":1,"v":2}
  • {"r":0,"c":0,"v":105}
  • {"r":3,"c":2,"v":17}
  • {"r":2,"c":1,"v":27}
  • {"r":3,"c":3,"v":15}
  • {"r":3,"c":1,"v":10}