hard Set 56 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [74] → [_, _] → [_, 17, 23] → [10, 7, _, _] → [_, 6, _, 9, _]

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Answer: Row4[3]=10, Row2[2]=40, Row2[1]=34, Row5[5]=4, Row3[1]=17, Row4[4]=13, Row5[1]=4, Row5[3]=1

SubType
number-pyramid
Difficulty
hard
Levels
  • [74]
  • [34,40]
  • [17,17,23]
  • [10,7,10,13]
  • [4,6,1,9,4]
Base
  • 4
  • 6
  • 1
  • 9
  • 4
TopValue
74
HiddenCells
  • {"r":3,"c":2,"v":10}
  • {"r":1,"c":1,"v":40}
  • {"r":1,"c":0,"v":34}
  • {"r":4,"c":4,"v":4}
  • {"r":2,"c":0,"v":17}
  • {"r":3,"c":3,"v":13}
  • {"r":4,"c":0,"v":4}
  • {"r":4,"c":2,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 58] → [_, _, 24] → [17, _, 15, _] → [8, _, 10, 5, _]

Show answer

Answer: Row4[2]=19, Row3[2]=34, Row2[1]=70, Row5[2]=9, Row4[4]=9, Row5[5]=4, Row1[1]=128, Row3[1]=36

SubType
number-pyramid
Difficulty
hard
Levels
  • [128]
  • [70,58]
  • [36,34,24]
  • [17,19,15,9]
  • [8,9,10,5,4]
Base
  • 8
  • 9
  • 10
  • 5
  • 4
TopValue
128
HiddenCells
  • {"r":3,"c":1,"v":19}
  • {"r":2,"c":1,"v":34}
  • {"r":1,"c":0,"v":70}
  • {"r":4,"c":1,"v":9}
  • {"r":3,"c":3,"v":9}
  • {"r":4,"c":4,"v":4}
  • {"r":0,"c":0,"v":128}
  • {"r":2,"c":0,"v":36}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [88] → [39, _] → [_, _, _] → [_, 8, 15, _] → [5, _, 5, 10, _]

Show answer

Answer: Row4[4]=11, Row4[1]=8, Row2[2]=49, Row3[2]=23, Row3[1]=16, Row3[3]=26, Row5[5]=1, Row5[2]=3

SubType
number-pyramid
Difficulty
hard
Levels
  • [88]
  • [39,49]
  • [16,23,26]
  • [8,8,15,11]
  • [5,3,5,10,1]
Base
  • 5
  • 3
  • 5
  • 10
  • 1
TopValue
88
HiddenCells
  • {"r":3,"c":3,"v":11}
  • {"r":3,"c":0,"v":8}
  • {"r":1,"c":1,"v":49}
  • {"r":2,"c":1,"v":23}
  • {"r":2,"c":0,"v":16}
  • {"r":2,"c":2,"v":26}
  • {"r":4,"c":4,"v":1}
  • {"r":4,"c":1,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [119] → [65, _] → [31, 34, _] → [11, _, _, _] → [1, _, _, _, 2]

Show answer

Answer: Row4[4]=6, Row4[2]=20, Row3[3]=20, Row4[3]=14, Row5[4]=4, Row5[3]=10, Row5[2]=10, Row2[2]=54

SubType
number-pyramid
Difficulty
hard
Levels
  • [119]
  • [65,54]
  • [31,34,20]
  • [11,20,14,6]
  • [1,10,10,4,2]
Base
  • 1
  • 10
  • 10
  • 4
  • 2
TopValue
119
HiddenCells
  • {"r":3,"c":3,"v":6}
  • {"r":3,"c":1,"v":20}
  • {"r":2,"c":2,"v":20}
  • {"r":3,"c":2,"v":14}
  • {"r":4,"c":3,"v":4}
  • {"r":4,"c":2,"v":10}
  • {"r":4,"c":1,"v":10}
  • {"r":1,"c":1,"v":54}