hard Set 86 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [70] → [28, _] → [_, _, _] → [_, _, 10, 19] → [10, 2, 1, _, _]

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Answer: Row3[1]=15, Row3[2]=13, Row5[4]=9, Row2[2]=42, Row4[1]=12, Row4[2]=3, Row5[5]=10, Row3[3]=29

SubType
number-pyramid
Difficulty
hard
Levels
  • [70]
  • [28,42]
  • [15,13,29]
  • [12,3,10,19]
  • [10,2,1,9,10]
Base
  • 10
  • 2
  • 1
  • 9
  • 10
TopValue
70
HiddenCells
  • {"r":2,"c":0,"v":15}
  • {"r":2,"c":1,"v":13}
  • {"r":4,"c":3,"v":9}
  • {"r":1,"c":1,"v":42}
  • {"r":3,"c":0,"v":12}
  • {"r":3,"c":1,"v":3}
  • {"r":4,"c":4,"v":10}
  • {"r":2,"c":2,"v":29}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 54] → [_, 26, 28] → [_, _, _, 13] → [6, _, 7, 8, _]

Show answer

Answer: Row4[3]=15, Row5[5]=5, Row4[2]=11, Row1[1]=101, Row2[1]=47, Row5[2]=4, Row4[1]=10, Row3[1]=21

SubType
number-pyramid
Difficulty
hard
Levels
  • [101]
  • [47,54]
  • [21,26,28]
  • [10,11,15,13]
  • [6,4,7,8,5]
Base
  • 6
  • 4
  • 7
  • 8
  • 5
TopValue
101
HiddenCells
  • {"r":3,"c":2,"v":15}
  • {"r":4,"c":4,"v":5}
  • {"r":3,"c":1,"v":11}
  • {"r":0,"c":0,"v":101}
  • {"r":1,"c":0,"v":47}
  • {"r":4,"c":1,"v":4}
  • {"r":3,"c":0,"v":10}
  • {"r":2,"c":0,"v":21}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [42, _] → [_, _, 13] → [_, _, 6, _] → [5, _, 5, 1, 6]

Show answer

Answer: Row4[1]=12, Row3[2]=18, Row5[2]=7, Row2[2]=31, Row4[2]=12, Row4[4]=7, Row3[1]=24, Row1[1]=73

SubType
number-pyramid
Difficulty
hard
Levels
  • [73]
  • [42,31]
  • [24,18,13]
  • [12,12,6,7]
  • [5,7,5,1,6]
Base
  • 5
  • 7
  • 5
  • 1
  • 6
TopValue
73
HiddenCells
  • {"r":3,"c":0,"v":12}
  • {"r":2,"c":1,"v":18}
  • {"r":4,"c":1,"v":7}
  • {"r":1,"c":1,"v":31}
  • {"r":3,"c":1,"v":12}
  • {"r":3,"c":3,"v":7}
  • {"r":2,"c":0,"v":24}
  • {"r":0,"c":0,"v":73}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [34, _] → [_, 18, _] → [9, 7, 11, 20] → [_, _, _, _, 10]

Show answer

Answer: Row5[2]=6, Row3[1]=16, Row3[3]=31, Row5[4]=10, Row1[1]=83, Row2[2]=49, Row5[1]=3, Row5[3]=1

SubType
number-pyramid
Difficulty
hard
Levels
  • [83]
  • [34,49]
  • [16,18,31]
  • [9,7,11,20]
  • [3,6,1,10,10]
Base
  • 3
  • 6
  • 1
  • 10
  • 10
TopValue
83
HiddenCells
  • {"r":4,"c":1,"v":6}
  • {"r":2,"c":0,"v":16}
  • {"r":2,"c":2,"v":31}
  • {"r":4,"c":3,"v":10}
  • {"r":0,"c":0,"v":83}
  • {"r":1,"c":1,"v":49}
  • {"r":4,"c":0,"v":3}
  • {"r":4,"c":2,"v":1}