hard Set 45 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 48] → [_, 30, _] → [13, 17, _, _] → [_, 7, 10, 3, _]

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Answer: Row4[3]=13, Row3[3]=18, Row2[1]=60, Row1[1]=108, Row5[5]=2, Row3[1]=30, Row4[4]=5, Row5[1]=6

SubType
number-pyramid
Difficulty
hard
Levels
  • [108]
  • [60,48]
  • [30,30,18]
  • [13,17,13,5]
  • [6,7,10,3,2]
Base
  • 6
  • 7
  • 10
  • 3
  • 2
TopValue
108
HiddenCells
  • {"r":3,"c":2,"v":13}
  • {"r":2,"c":2,"v":18}
  • {"r":1,"c":0,"v":60}
  • {"r":0,"c":0,"v":108}
  • {"r":4,"c":4,"v":2}
  • {"r":2,"c":0,"v":30}
  • {"r":3,"c":3,"v":5}
  • {"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): [_] → [54, 64] → [24, 30, 34] → [10, _, _, 18] → [_, _, _, _, _]

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Answer: Row5[5]=9, Row5[1]=3, Row5[3]=7, Row1[1]=118, Row5[2]=7, Row5[4]=9, Row4[3]=16, Row4[2]=14

SubType
number-pyramid
Difficulty
hard
Levels
  • [118]
  • [54,64]
  • [24,30,34]
  • [10,14,16,18]
  • [3,7,7,9,9]
Base
  • 3
  • 7
  • 7
  • 9
  • 9
TopValue
118
HiddenCells
  • {"r":4,"c":4,"v":9}
  • {"r":4,"c":0,"v":3}
  • {"r":4,"c":2,"v":7}
  • {"r":0,"c":0,"v":118}
  • {"r":4,"c":1,"v":7}
  • {"r":4,"c":3,"v":9}
  • {"r":3,"c":2,"v":16}
  • {"r":3,"c":1,"v":14}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [_, 21, 21] → [_, _, _, 11] → [9, _, 8, 2, 9]

Show answer

Answer: Row2[1]=44, Row5[2]=3, Row1[1]=86, Row4[1]=12, Row2[2]=42, Row4[3]=10, Row3[1]=23, Row4[2]=11

SubType
number-pyramid
Difficulty
hard
Levels
  • [86]
  • [44,42]
  • [23,21,21]
  • [12,11,10,11]
  • [9,3,8,2,9]
Base
  • 9
  • 3
  • 8
  • 2
  • 9
TopValue
86
HiddenCells
  • {"r":1,"c":0,"v":44}
  • {"r":4,"c":1,"v":3}
  • {"r":0,"c":0,"v":86}
  • {"r":3,"c":0,"v":12}
  • {"r":1,"c":1,"v":42}
  • {"r":3,"c":2,"v":10}
  • {"r":2,"c":0,"v":23}
  • {"r":3,"c":1,"v":11}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [70] → [_, _] → [_, _, _] → [11, _, 8, 5] → [_, _, 5, 3, 2]

Show answer

Answer: Row3[1]=21, Row4[2]=10, Row2[1]=39, Row5[1]=6, Row3[3]=13, Row5[2]=5, Row3[2]=18, Row2[2]=31

SubType
number-pyramid
Difficulty
hard
Levels
  • [70]
  • [39,31]
  • [21,18,13]
  • [11,10,8,5]
  • [6,5,5,3,2]
Base
  • 6
  • 5
  • 5
  • 3
  • 2
TopValue
70
HiddenCells
  • {"r":2,"c":0,"v":21}
  • {"r":3,"c":1,"v":10}
  • {"r":1,"c":0,"v":39}
  • {"r":4,"c":0,"v":6}
  • {"r":2,"c":2,"v":13}
  • {"r":4,"c":1,"v":5}
  • {"r":2,"c":1,"v":18}
  • {"r":1,"c":1,"v":31}