hard Set 43 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 22] → [_, _, 9] → [20, _, _, _] → [10, 10, 1, _, 6]

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Answer: Row3[1]=31, Row3[2]=13, Row1[1]=66, Row4[4]=7, Row4[3]=2, Row2[1]=44, Row5[4]=1, Row4[2]=11

SubType
number-pyramid
Difficulty
hard
Levels
  • [66]
  • [44,22]
  • [31,13,9]
  • [20,11,2,7]
  • [10,10,1,1,6]
Base
  • 10
  • 10
  • 1
  • 1
  • 6
TopValue
66
HiddenCells
  • {"r":2,"c":0,"v":31}
  • {"r":2,"c":1,"v":13}
  • {"r":0,"c":0,"v":66}
  • {"r":3,"c":3,"v":7}
  • {"r":3,"c":2,"v":2}
  • {"r":1,"c":0,"v":44}
  • {"r":4,"c":3,"v":1}
  • {"r":3,"c":1,"v":11}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [98] → [_, 53] → [18, 27, _] → [_, _, 16, _] → [_, _, 10, 6, _]

Show answer

Answer: Row2[1]=45, Row4[4]=10, Row5[2]=1, Row5[5]=4, Row3[3]=26, Row4[2]=11, Row4[1]=7, Row5[1]=6

SubType
number-pyramid
Difficulty
hard
Levels
  • [98]
  • [45,53]
  • [18,27,26]
  • [7,11,16,10]
  • [6,1,10,6,4]
Base
  • 6
  • 1
  • 10
  • 6
  • 4
TopValue
98
HiddenCells
  • {"r":1,"c":0,"v":45}
  • {"r":3,"c":3,"v":10}
  • {"r":4,"c":1,"v":1}
  • {"r":4,"c":4,"v":4}
  • {"r":2,"c":2,"v":26}
  • {"r":3,"c":1,"v":11}
  • {"r":3,"c":0,"v":7}
  • {"r":4,"c":0,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [43, 31] → [25, _, 13] → [12, _, _, _] → [_, _, 4, 1, _]

Show answer

Answer: Row5[5]=7, Row5[1]=3, Row3[2]=18, Row1[1]=74, Row4[3]=5, Row5[2]=9, Row4[4]=8, Row4[2]=13

SubType
number-pyramid
Difficulty
hard
Levels
  • [74]
  • [43,31]
  • [25,18,13]
  • [12,13,5,8]
  • [3,9,4,1,7]
Base
  • 3
  • 9
  • 4
  • 1
  • 7
TopValue
74
HiddenCells
  • {"r":4,"c":4,"v":7}
  • {"r":4,"c":0,"v":3}
  • {"r":2,"c":1,"v":18}
  • {"r":0,"c":0,"v":74}
  • {"r":3,"c":2,"v":5}
  • {"r":4,"c":1,"v":9}
  • {"r":3,"c":3,"v":8}
  • {"r":3,"c":1,"v":13}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [88] → [43, 45] → [_, 24, _] → [6, _, _, _] → [1, 5, _, _, _]

Show answer

Answer: Row4[2]=13, Row5[4]=3, Row3[3]=21, Row5[5]=7, Row5[3]=8, Row3[1]=19, Row4[4]=10, Row4[3]=11

SubType
number-pyramid
Difficulty
hard
Levels
  • [88]
  • [43,45]
  • [19,24,21]
  • [6,13,11,10]
  • [1,5,8,3,7]
Base
  • 1
  • 5
  • 8
  • 3
  • 7
TopValue
88
HiddenCells
  • {"r":3,"c":1,"v":13}
  • {"r":4,"c":3,"v":3}
  • {"r":2,"c":2,"v":21}
  • {"r":4,"c":4,"v":7}
  • {"r":4,"c":2,"v":8}
  • {"r":2,"c":0,"v":19}
  • {"r":3,"c":3,"v":10}
  • {"r":3,"c":2,"v":11}