hard Set 25 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 17] → [18, _, _] → [_, 5, 4, 4] → [10, _, _, 2, _]

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Answer: Row1[1]=44, Row3[2]=9, Row2[1]=27, Row5[2]=3, Row3[3]=8, Row4[1]=13, Row5[5]=2, Row5[3]=2

SubType
number-pyramid
Difficulty
hard
Levels
  • [44]
  • [27,17]
  • [18,9,8]
  • [13,5,4,4]
  • [10,3,2,2,2]
Base
  • 10
  • 3
  • 2
  • 2
  • 2
TopValue
44
HiddenCells
  • {"r":0,"c":0,"v":44}
  • {"r":2,"c":1,"v":9}
  • {"r":1,"c":0,"v":27}
  • {"r":4,"c":1,"v":3}
  • {"r":2,"c":2,"v":8}
  • {"r":3,"c":0,"v":13}
  • {"r":4,"c":4,"v":2}
  • {"r":4,"c":2,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [48, _] → [_, 23, 24] → [15, 10, _, _] → [_, _, 5, _, 3]

Show answer

Answer: Row3[1]=25, Row4[3]=13, Row2[2]=47, Row1[1]=95, Row5[1]=10, Row5[4]=8, Row5[2]=5, Row4[4]=11

SubType
number-pyramid
Difficulty
hard
Levels
  • [95]
  • [48,47]
  • [25,23,24]
  • [15,10,13,11]
  • [10,5,5,8,3]
Base
  • 10
  • 5
  • 5
  • 8
  • 3
TopValue
95
HiddenCells
  • {"r":2,"c":0,"v":25}
  • {"r":3,"c":2,"v":13}
  • {"r":1,"c":1,"v":47}
  • {"r":0,"c":0,"v":95}
  • {"r":4,"c":0,"v":10}
  • {"r":4,"c":3,"v":8}
  • {"r":4,"c":1,"v":5}
  • {"r":3,"c":3,"v":11}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [44, 36] → [_, 23, 13] → [8, _, _, _] → [4, _, 9, _, _]

Show answer

Answer: Row4[3]=10, Row1[1]=80, Row5[2]=4, Row4[2]=13, Row3[1]=21, Row5[5]=2, Row4[4]=3, Row5[4]=1

SubType
number-pyramid
Difficulty
hard
Levels
  • [80]
  • [44,36]
  • [21,23,13]
  • [8,13,10,3]
  • [4,4,9,1,2]
Base
  • 4
  • 4
  • 9
  • 1
  • 2
TopValue
80
HiddenCells
  • {"r":3,"c":2,"v":10}
  • {"r":0,"c":0,"v":80}
  • {"r":4,"c":1,"v":4}
  • {"r":3,"c":1,"v":13}
  • {"r":2,"c":0,"v":21}
  • {"r":4,"c":4,"v":2}
  • {"r":3,"c":3,"v":3}
  • {"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): [94] → [_, 40] → [_, _, 18] → [18, _, _, 10] → [_, _, 6, _, 8]

Show answer

Answer: Row5[1]=10, Row3[1]=32, Row5[4]=2, Row2[1]=54, Row5[2]=8, Row4[3]=8, Row3[2]=22, Row4[2]=14

SubType
number-pyramid
Difficulty
hard
Levels
  • [94]
  • [54,40]
  • [32,22,18]
  • [18,14,8,10]
  • [10,8,6,2,8]
Base
  • 10
  • 8
  • 6
  • 2
  • 8
TopValue
94
HiddenCells
  • {"r":4,"c":0,"v":10}
  • {"r":2,"c":0,"v":32}
  • {"r":4,"c":3,"v":2}
  • {"r":1,"c":0,"v":54}
  • {"r":4,"c":1,"v":8}
  • {"r":3,"c":2,"v":8}
  • {"r":2,"c":1,"v":22}
  • {"r":3,"c":1,"v":14}