hard Set 74 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [38, _] → [18, 20, 20] → [_, 10, _, _] → [_, _, _, 5, 5]

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Answer: Row4[3]=10, Row5[2]=5, Row2[2]=40, Row5[1]=3, Row5[3]=5, Row1[1]=78, Row4[1]=8, Row4[4]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [78]
  • [38,40]
  • [18,20,20]
  • [8,10,10,10]
  • [3,5,5,5,5]
Base
  • 3
  • 5
  • 5
  • 5
  • 5
TopValue
78
HiddenCells
  • {"r":3,"c":2,"v":10}
  • {"r":4,"c":1,"v":5}
  • {"r":1,"c":1,"v":40}
  • {"r":4,"c":0,"v":3}
  • {"r":4,"c":2,"v":5}
  • {"r":0,"c":0,"v":78}
  • {"r":3,"c":0,"v":8}
  • {"r":3,"c":3,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 45] → [30, _, 20] → [_, _, _, 9] → [10, 6, _, _, 6]

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Answer: Row4[2]=14, Row4[1]=16, Row2[1]=55, Row1[1]=100, Row5[3]=8, Row4[3]=11, Row5[4]=3, Row3[2]=25

SubType
number-pyramid
Difficulty
hard
Levels
  • [100]
  • [55,45]
  • [30,25,20]
  • [16,14,11,9]
  • [10,6,8,3,6]
Base
  • 10
  • 6
  • 8
  • 3
  • 6
TopValue
100
HiddenCells
  • {"r":3,"c":1,"v":14}
  • {"r":3,"c":0,"v":16}
  • {"r":1,"c":0,"v":55}
  • {"r":0,"c":0,"v":100}
  • {"r":4,"c":2,"v":8}
  • {"r":3,"c":2,"v":11}
  • {"r":4,"c":3,"v":3}
  • {"r":2,"c":1,"v":25}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [79] → [_, _] → [_, _, 31] → [_, 5, _, _] → [6, 3, _, 10, 9]

Show answer

Answer: Row5[3]=2, Row3[2]=17, Row4[3]=12, Row2[2]=48, Row4[1]=9, Row4[4]=19, Row3[1]=14, Row2[1]=31

SubType
number-pyramid
Difficulty
hard
Levels
  • [79]
  • [31,48]
  • [14,17,31]
  • [9,5,12,19]
  • [6,3,2,10,9]
Base
  • 6
  • 3
  • 2
  • 10
  • 9
TopValue
79
HiddenCells
  • {"r":4,"c":2,"v":2}
  • {"r":2,"c":1,"v":17}
  • {"r":3,"c":2,"v":12}
  • {"r":1,"c":1,"v":48}
  • {"r":3,"c":0,"v":9}
  • {"r":3,"c":3,"v":19}
  • {"r":2,"c":0,"v":14}
  • {"r":1,"c":0,"v":31}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [65] → [26, _] → [10, 16, 23] → [_, _, 12, _] → [_, _, _, _, 2]

Show answer

Answer: Row5[1]=5, Row5[3]=3, Row2[2]=39, Row4[1]=6, Row5[2]=1, Row4[4]=11, Row4[2]=4, Row5[4]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [65]
  • [26,39]
  • [10,16,23]
  • [6,4,12,11]
  • [5,1,3,9,2]
Base
  • 5
  • 1
  • 3
  • 9
  • 2
TopValue
65
HiddenCells
  • {"r":4,"c":0,"v":5}
  • {"r":4,"c":2,"v":3}
  • {"r":1,"c":1,"v":39}
  • {"r":3,"c":0,"v":6}
  • {"r":4,"c":1,"v":1}
  • {"r":3,"c":3,"v":11}
  • {"r":3,"c":1,"v":4}
  • {"r":4,"c":3,"v":9}