hard Set 69 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [38, 30] → [_, 17, 13] → [11, _, _, _] → [6, _, _, 2, _]

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Answer: Row3[1]=21, Row4[3]=7, Row5[5]=4, Row1[1]=68, Row4[2]=10, Row5[2]=5, Row4[4]=6, Row5[3]=5

SubType
number-pyramid
Difficulty
hard
Levels
  • [68]
  • [38,30]
  • [21,17,13]
  • [11,10,7,6]
  • [6,5,5,2,4]
Base
  • 6
  • 5
  • 5
  • 2
  • 4
TopValue
68
HiddenCells
  • {"r":2,"c":0,"v":21}
  • {"r":3,"c":2,"v":7}
  • {"r":4,"c":4,"v":4}
  • {"r":0,"c":0,"v":68}
  • {"r":3,"c":1,"v":10}
  • {"r":4,"c":1,"v":5}
  • {"r":3,"c":3,"v":6}
  • {"r":4,"c":2,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 45] → [14, _, _] → [9, _, 13, _] → [7, 2, _, 10, _]

Show answer

Answer: Row4[2]=5, Row3[3]=27, Row3[2]=18, Row5[3]=3, Row5[5]=4, Row2[1]=32, Row1[1]=77, Row4[4]=14

SubType
number-pyramid
Difficulty
hard
Levels
  • [77]
  • [32,45]
  • [14,18,27]
  • [9,5,13,14]
  • [7,2,3,10,4]
Base
  • 7
  • 2
  • 3
  • 10
  • 4
TopValue
77
HiddenCells
  • {"r":3,"c":1,"v":5}
  • {"r":2,"c":2,"v":27}
  • {"r":2,"c":1,"v":18}
  • {"r":4,"c":2,"v":3}
  • {"r":4,"c":4,"v":4}
  • {"r":1,"c":0,"v":32}
  • {"r":0,"c":0,"v":77}
  • {"r":3,"c":3,"v":14}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [_, 30, _] → [14, _, 14, 11] → [4, 10, _, _, 3]

Show answer

Answer: Row1[1]=115, Row2[1]=60, Row2[2]=55, Row3[1]=30, Row3[3]=25, Row4[2]=16, Row5[3]=6, Row5[4]=8

SubType
number-pyramid
Difficulty
hard
Levels
  • [115]
  • [60,55]
  • [30,30,25]
  • [14,16,14,11]
  • [4,10,6,8,3]
Base
  • 4
  • 10
  • 6
  • 8
  • 3
TopValue
115
HiddenCells
  • {"r":0,"c":0,"v":115}
  • {"r":1,"c":0,"v":60}
  • {"r":1,"c":1,"v":55}
  • {"r":2,"c":0,"v":30}
  • {"r":2,"c":2,"v":25}
  • {"r":3,"c":1,"v":16}
  • {"r":4,"c":2,"v":6}
  • {"r":4,"c":3,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [99] → [_, _] → [_, 24, 28] → [_, _, _, _] → [5, 6, 6, _, 10]

Show answer

Answer: Row5[4]=6, Row4[3]=12, Row3[1]=23, Row4[1]=11, Row2[2]=52, Row4[2]=12, Row2[1]=47, Row4[4]=16

SubType
number-pyramid
Difficulty
hard
Levels
  • [99]
  • [47,52]
  • [23,24,28]
  • [11,12,12,16]
  • [5,6,6,6,10]
Base
  • 5
  • 6
  • 6
  • 6
  • 10
TopValue
99
HiddenCells
  • {"r":4,"c":3,"v":6}
  • {"r":3,"c":2,"v":12}
  • {"r":2,"c":0,"v":23}
  • {"r":3,"c":0,"v":11}
  • {"r":1,"c":1,"v":52}
  • {"r":3,"c":1,"v":12}
  • {"r":1,"c":0,"v":47}
  • {"r":3,"c":3,"v":16}