hard Set 55 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [_, 17, 20] → [7, 7, _, 10] → [_, _, 4, _, 4]

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Answer: Row2[2]=37, Row5[2]=3, Row4[3]=10, Row2[1]=31, Row3[1]=14, Row5[1]=4, Row1[1]=68, Row5[4]=6

SubType
number-pyramid
Difficulty
hard
Levels
  • [68]
  • [31,37]
  • [14,17,20]
  • [7,7,10,10]
  • [4,3,4,6,4]
Base
  • 4
  • 3
  • 4
  • 6
  • 4
TopValue
68
HiddenCells
  • {"r":1,"c":1,"v":37}
  • {"r":4,"c":1,"v":3}
  • {"r":3,"c":2,"v":10}
  • {"r":1,"c":0,"v":31}
  • {"r":2,"c":0,"v":14}
  • {"r":4,"c":0,"v":4}
  • {"r":0,"c":0,"v":68}
  • {"r":4,"c":3,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 39] → [_, _, 21] → [9, 9, 9, _] → [_, 6, _, 6, _]

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Answer: Row5[1]=3, Row3[2]=18, Row4[4]=12, Row1[1]=75, Row2[1]=36, Row3[1]=18, Row5[5]=6, Row5[3]=3

SubType
number-pyramid
Difficulty
hard
Levels
  • [75]
  • [36,39]
  • [18,18,21]
  • [9,9,9,12]
  • [3,6,3,6,6]
Base
  • 3
  • 6
  • 3
  • 6
  • 6
TopValue
75
HiddenCells
  • {"r":4,"c":0,"v":3}
  • {"r":2,"c":1,"v":18}
  • {"r":3,"c":3,"v":12}
  • {"r":0,"c":0,"v":75}
  • {"r":1,"c":0,"v":36}
  • {"r":2,"c":0,"v":18}
  • {"r":4,"c":4,"v":6}
  • {"r":4,"c":2,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 64] → [34, 35, 29] → [16, _, _, _] → [8, _, _, _, 5]

Show answer

Answer: Row4[3]=17, Row4[4]=12, Row2[1]=69, Row5[3]=10, Row5[2]=8, Row5[4]=7, Row4[2]=18, Row1[1]=133

SubType
number-pyramid
Difficulty
hard
Levels
  • [133]
  • [69,64]
  • [34,35,29]
  • [16,18,17,12]
  • [8,8,10,7,5]
Base
  • 8
  • 8
  • 10
  • 7
  • 5
TopValue
133
HiddenCells
  • {"r":3,"c":2,"v":17}
  • {"r":3,"c":3,"v":12}
  • {"r":1,"c":0,"v":69}
  • {"r":4,"c":2,"v":10}
  • {"r":4,"c":1,"v":8}
  • {"r":4,"c":3,"v":7}
  • {"r":3,"c":1,"v":18}
  • {"r":0,"c":0,"v":133}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [40, _] → [_, 15, 18] → [_, _, _, 13] → [6, _, 1, 4, _]

Show answer

Answer: Row1[1]=73, Row4[3]=5, Row5[2]=9, Row2[2]=33, Row3[1]=25, Row4[2]=10, Row5[5]=9, Row4[1]=15

SubType
number-pyramid
Difficulty
hard
Levels
  • [73]
  • [40,33]
  • [25,15,18]
  • [15,10,5,13]
  • [6,9,1,4,9]
Base
  • 6
  • 9
  • 1
  • 4
  • 9
TopValue
73
HiddenCells
  • {"r":0,"c":0,"v":73}
  • {"r":3,"c":2,"v":5}
  • {"r":4,"c":1,"v":9}
  • {"r":1,"c":1,"v":33}
  • {"r":2,"c":0,"v":25}
  • {"r":3,"c":1,"v":10}
  • {"r":4,"c":4,"v":9}
  • {"r":3,"c":0,"v":15}