hard Set 54 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [_, 21, 23] → [_, _, 10, 13] → [5, _, 5, 5, _]

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Answer: Row4[1]=11, Row1[1]=87, Row5[5]=8, Row2[1]=43, Row3[1]=22, Row4[2]=11, Row2[2]=44, Row5[2]=6

SubType
number-pyramid
Difficulty
hard
Levels
  • [87]
  • [43,44]
  • [22,21,23]
  • [11,11,10,13]
  • [5,6,5,5,8]
Base
  • 5
  • 6
  • 5
  • 5
  • 8
TopValue
87
HiddenCells
  • {"r":3,"c":0,"v":11}
  • {"r":0,"c":0,"v":87}
  • {"r":4,"c":4,"v":8}
  • {"r":1,"c":0,"v":43}
  • {"r":2,"c":0,"v":22}
  • {"r":3,"c":1,"v":11}
  • {"r":1,"c":1,"v":44}
  • {"r":4,"c":1,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [121] → [_, _] → [35, _, 24] → [18, 17, _, _] → [_, _, 9, 5, _]

Show answer

Answer: Row2[2]=55, Row3[2]=31, Row5[5]=5, Row4[3]=14, Row4[4]=10, Row2[1]=66, Row5[2]=8, Row5[1]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [121]
  • [66,55]
  • [35,31,24]
  • [18,17,14,10]
  • [10,8,9,5,5]
Base
  • 10
  • 8
  • 9
  • 5
  • 5
TopValue
121
HiddenCells
  • {"r":1,"c":1,"v":55}
  • {"r":2,"c":1,"v":31}
  • {"r":4,"c":4,"v":5}
  • {"r":3,"c":2,"v":14}
  • {"r":3,"c":3,"v":10}
  • {"r":1,"c":0,"v":66}
  • {"r":4,"c":1,"v":8}
  • {"r":4,"c":0,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [56] → [_, _] → [_, _, _] → [_, _, 4, 10] → [9, 4, 3, _, 9]

Show answer

Answer: Row2[1]=31, Row4[2]=7, Row3[3]=14, Row2[2]=25, Row3[2]=11, Row3[1]=20, Row4[1]=13, Row5[4]=1

SubType
number-pyramid
Difficulty
hard
Levels
  • [56]
  • [31,25]
  • [20,11,14]
  • [13,7,4,10]
  • [9,4,3,1,9]
Base
  • 9
  • 4
  • 3
  • 1
  • 9
TopValue
56
HiddenCells
  • {"r":1,"c":0,"v":31}
  • {"r":3,"c":1,"v":7}
  • {"r":2,"c":2,"v":14}
  • {"r":1,"c":1,"v":25}
  • {"r":2,"c":1,"v":11}
  • {"r":2,"c":0,"v":20}
  • {"r":3,"c":0,"v":13}
  • {"r":4,"c":3,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [_, _, _] → [4, 8, 14, 10] → [2, _, 6, _, 2]

Show answer

Answer: Row2[1]=34, Row3[2]=22, Row2[2]=46, Row3[3]=24, Row1[1]=80, Row5[4]=8, Row3[1]=12, Row5[2]=2

SubType
number-pyramid
Difficulty
hard
Levels
  • [80]
  • [34,46]
  • [12,22,24]
  • [4,8,14,10]
  • [2,2,6,8,2]
Base
  • 2
  • 2
  • 6
  • 8
  • 2
TopValue
80
HiddenCells
  • {"r":1,"c":0,"v":34}
  • {"r":2,"c":1,"v":22}
  • {"r":1,"c":1,"v":46}
  • {"r":2,"c":2,"v":24}
  • {"r":0,"c":0,"v":80}
  • {"r":4,"c":3,"v":8}
  • {"r":2,"c":0,"v":12}
  • {"r":4,"c":1,"v":2}