hard Set 47 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [22, 22, 21] → [12, _, _, 9] → [10, _, _, _, 5]

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Answer: Row4[3]=12, Row2[2]=43, Row1[1]=87, Row5[4]=4, Row2[1]=44, Row4[2]=10, Row5[3]=8, Row5[2]=2

SubType
number-pyramid
Difficulty
hard
Levels
  • [87]
  • [44,43]
  • [22,22,21]
  • [12,10,12,9]
  • [10,2,8,4,5]
Base
  • 10
  • 2
  • 8
  • 4
  • 5
TopValue
87
HiddenCells
  • {"r":3,"c":2,"v":12}
  • {"r":1,"c":1,"v":43}
  • {"r":0,"c":0,"v":87}
  • {"r":4,"c":3,"v":4}
  • {"r":1,"c":0,"v":44}
  • {"r":3,"c":1,"v":10}
  • {"r":4,"c":2,"v":8}
  • {"r":4,"c":1,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [34, 36] → [18, _, _] → [_, 7, _, 11] → [10, 1, _, _, _]

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Answer: Row5[4]=3, Row3[3]=20, Row5[5]=8, Row4[1]=11, Row5[3]=6, Row1[1]=70, Row3[2]=16, Row4[3]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [70]
  • [34,36]
  • [18,16,20]
  • [11,7,9,11]
  • [10,1,6,3,8]
Base
  • 10
  • 1
  • 6
  • 3
  • 8
TopValue
70
HiddenCells
  • {"r":4,"c":3,"v":3}
  • {"r":2,"c":2,"v":20}
  • {"r":4,"c":4,"v":8}
  • {"r":3,"c":0,"v":11}
  • {"r":4,"c":2,"v":6}
  • {"r":0,"c":0,"v":70}
  • {"r":2,"c":1,"v":16}
  • {"r":3,"c":2,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [_, _, 30] → [_, _, 18, _] → [6, 4, 9, 9, 3]

Show answer

Answer: Row4[1]=10, Row2[2]=61, Row4[4]=12, Row1[1]=115, Row3[2]=31, Row3[1]=23, Row4[2]=13, Row2[1]=54

SubType
number-pyramid
Difficulty
hard
Levels
  • [115]
  • [54,61]
  • [23,31,30]
  • [10,13,18,12]
  • [6,4,9,9,3]
Base
  • 6
  • 4
  • 9
  • 9
  • 3
TopValue
115
HiddenCells
  • {"r":3,"c":0,"v":10}
  • {"r":1,"c":1,"v":61}
  • {"r":3,"c":3,"v":12}
  • {"r":0,"c":0,"v":115}
  • {"r":2,"c":1,"v":31}
  • {"r":2,"c":0,"v":23}
  • {"r":3,"c":1,"v":13}
  • {"r":1,"c":0,"v":54}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [67] → [36, 31] → [_, 16, _] → [_, 9, 7, _] → [7, _, _, _, _]

Show answer

Answer: Row5[3]=5, Row3[3]=15, Row5[5]=6, Row4[4]=8, Row5[4]=2, Row5[2]=4, Row3[1]=20, Row4[1]=11

SubType
number-pyramid
Difficulty
hard
Levels
  • [67]
  • [36,31]
  • [20,16,15]
  • [11,9,7,8]
  • [7,4,5,2,6]
Base
  • 7
  • 4
  • 5
  • 2
  • 6
TopValue
67
HiddenCells
  • {"r":4,"c":2,"v":5}
  • {"r":2,"c":2,"v":15}
  • {"r":4,"c":4,"v":6}
  • {"r":3,"c":3,"v":8}
  • {"r":4,"c":3,"v":2}
  • {"r":4,"c":1,"v":4}
  • {"r":2,"c":0,"v":20}
  • {"r":3,"c":0,"v":11}